Small size/surface-mount packaging Monolithic reliability impulse nois

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Small size/surface-mount packaging Monolithic reliability impulse nois

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L7582 Ring Access Switch
Small size/surface-mount packaging Monolithic reliability impulse noise Make-before-break, break-before-make operation Clean, bounce-free switching Low, matched ON-resistance Built-in current limiting, thermal shutdown, SLIC protection only operation, very power consumption Battery monitor, state upon loss battery Latched logic level inputs, drive circuitry Only external protector required
line card applications. additional pair solidstate contacts provides access telephone loop line test access message waiting application. L7582 four states: idle talk state (line break switches closed, ringing loop access switches open), power ringing state (ringing access switches closed, line break loop access switches open), loop access state (loop access switches closed, line break ringing access switches open), state. L7582 offers break-before-make make-beforebreak switching, with simple logic level input control. Because solid-state construction, voltage transients generated when switching into inductive ringing load during ring cadence ring trip minimized, possibly eliminating need external zero cross switching circuitry. State control logic level inputs additional driver circuitry required. line break switch linear switch that exceptionally ON-resistance excellent ON-resistance matching characteristic. ringing access switch breakdown voltage rating >480 which sufficiently high, with proper protection, prevent breakdown presence transient fault condition (i.e., passing transient ringing generator). Incorporated into L7582Axx diode bridge/ clamping circuit, current-limiting circuitry, thermal shutdown mechanism provide protection SLIC device subsequent circuitry during fault conditions (see Figure Positive negative lightning reduced current-limiting circuitry steered ground diodes integrated SCR. Power cross also reduced currentlimiting thermal shutdown circuits.
Applications
Central office DAML HFC/FITL
Description
L7582 Ring Access Switch monolithic solid-state device that provides switching functionality form switch. L7582 designed provide power ringing access ring central office, digital loop carrier, private branch exchange, digitally added main line, hybrid fiber coax/fiber-in-the-loop ana-
L7582 Ring Access Switch
Description (continued)
L7582Bxx version provides only integrated diode bridge along with current limiting thermal shutdown shown Figure This will cause positive faults directed ground negative faults battery. either polarity, faults reduced current-limit and/or thermal shutdown mechanisms. protect L7582 from overvoltage fault condition, secondary protector required. secondary protector must limit voltage seen tip/ ring terminals prevent breakdown voltage switches from being exceeded. minimize stress solid-state contacts, foldback- crowbartype secondary protector recommended. With proper choice secondary protection, line card using L7582 will meet relevant ITU-T, LSSGR, FCC, protection requirements. L7582 operates from supply only. This gives device extremely idle active power dissipation allows with virtually range battery voltage. This makes L7582 especially appropriate remote power applications such DAML FOC/FITL other Bellcore applications where power dissipation particularly critical. battery voltage also used L7582, only reference integrated protection circuit. L7582 will enter state upon loss battery. During power ringing, turn maintain state, ring access switch will draw nominal from ring generator. L7582 device packaged 16-pin, plastic package (L7582AC/BC) 16-pin, plastic package (L7582AAE/BAE). L7582AAE/BAE compatible with L7542AAE/BAE.
registered trademark Underwriters Laboratories, Inc.
Information
FGND TBAT TLINE TRINGING TACCESS DGND
TRIP
VBAT RBAT RLINE RRINGING RACCESS LATCH CONTROL LOGIC INRING INACCESS
12-2306.i
Note: Shown with version protection. 16-pin available with either version protection.
Figure 16-Pin, Plastic
FGND TBAT TLINE TRINGING TACCESS DGND
CONTROL LOGIC
VBAT RBAT RLINE RRINGING RACCESS LATCH INRING INACCESS
12-2306.c
Note: Shown with version protection. 16-pin available with either version protection.
Figure 16-Pin, Plastic
Lucent Technologies Inc.
L7582 Ring Access Switch
Information (continued)
Table Descriptions Symbol Description FGND Fault ground. TBAT TLINE TRINGING TACCESS Symbol Description VBAT Battery voltage. Used reference protection circuit. RBAT Connect RING SLIC side. LINE Connect RING line side. RRINGING Connect ringing generator. RACCESS Test access. LATCH Data latch control, active-high, transparent low. INRING Logic level input switch control.
Connect SLIC side. Connect line side. Connect return ground ring- generator. Test access. supply. Temperature shutdown pin. used logic level input output. Table Truth Table, Switching Behavior section this data sheet input description. output, will read when device operational mode thermal shutdown mode. disable thermal shutdown mechanism, this (not recommended). Digital ground.
DGND
INACCESS Logic level input switch control.
Absolute Maximum Ratings
Stresses excess absolute maximum ratings cause permanent damage device. These absolute stress ratings only. Functional operation device implied these other conditions excess those given operational sections data sheet. Exposure absolute maximum ratings extended periods adversely affect device reliability. Table Absolute Maximum Ratings Parameters Parameter Operating Temperature Range Storage Temperature Range Relative Humidity Range Soldering Temperature max) Power Supply Battery Supply Logic Input Voltage Input-to-output Isolation Pole-to-pole Isolation Lucent Technologies Inc. Unit
Handling Precautions
Although protection circuitry been designed into this device, proper precautions should taken avoid exposure electrostatic discharge (ESD) during handling mounting. Lucent Technologies Microelectronics Group employs human-body model (HBM) charged-device model (CDM) ESDsusceptibility testing protection design evaluation. voltage thresholds dependent circuit parameters used define model. industry-wide standard been adopted CDM. However, standard (resistance 1500 capacitance widely used therefore used comparison purposes. threshold presented here obtained using these circuit parameters. Table Threshold Voltage Device L7582 Rating 1000
L7582 Ring Access Switch
Electrical Characteristics
unless otherwise specified. Minimum maximum values testing requirements. Typical values characteristics device result engineering evaluations. Typical values information purposes only part testing requirements. Table Power Supply Specifications Supply VBAT* Unit
VBAT used only reference internal protection circuitry. VBAT rises above device will enter state will remain state until battery voltage drops below
Table Break Switches, Parameter OFF-state Leakage Current: ON-resistance (SW1, SW2): ON-resistance Match ON-state Voltage* Current Limit: Dynamic Current Limit Test Condition Measure Unit
Vswitch (differential) -320 Vswitch (differential) +260 Vswitch (differential) -330 Vswitch (differential) +270 Vswitch (differential) -310 Vswitch (differential) +250
Iswitch Iswitch Iswitch
TLINE TBAT TLINE TBAT TLINE TBAT ON-resistance test condition SW1, Iswitch ILIMIT Hz/60 Vswitch (on) Vswitch (on) Break switches state; ringing access switches off; apply ±1000 10/1000 pulse; appropriate secondary protection place Vswitch (both poles) ±320 Logic inputs Vswitch (both poles) ±330 Logic inputs Vswitch (both poles) ±310 Logic inputs
Magnitude Iswitch Iswitch Iswitch
19.5 14.5
Isolation: dV/dt Sensitivity
Iswitch Iswitch Iswitch
V/µs
This parameter tested production. Choice secondary protector should ensure this rating exceeded. Applied voltage Vp-p square wave
Lucent Technologies Inc.
L7582 Ring Access Switch
Electrical Characteristics (continued)
Table Ring Return Switch, Parameter OFF-state Leakage Current (SW3): Current Limit Dynamic Current Limit ON-resistance ON-state Voltage* Isolation: dV/dt Sensitivity Test Condition Measure Unit
Vswitch (differential) -320 Vswitch (differential) +260 Vswitch (differential) -330 Vswitch (differential) +270 Vswitch (differential) -310 Vswitch (differential) +250 Vswitch (on) Break switches state; ringing access switches off; apply ±1000 10/1000 pulse; appropriate secondary protection place Iswitch (on) Iswitch ILIMIT Hz/60 Vswitch (both poles) ±320 Logic inputs Vswitch (both poles) ±330 Logic inputs Vswitch (both poles) ±310 Logic inputs
Iswitch Iswitch Iswitch Iswitch Iswitch Iswitch Iswitch Iswitch
V/µs
This parameter tested production. Choice secondary protector should ensure this rating exceeded. Applied voltage Vp-p square wave
Table Ringing Access Switch, Parameter OFF-state Leakage Current (SW4): Voltage Ring Generator Current During Ring Steady-state Current Surge Current Release Current ON-resistance Isolation: dV/dt Sensitivity Test Condition Measure Unit
Vswitch (differential) -255 +210 Vswitch (differential) +255 -210 Vswitch (differential) -270 +210 Vswitch (differential) +270 -210 Vswitch (differential) -245 +210 Vswitch (differential) +245 -210 Iswitch (on) INACCESS Iswitch (on) Vswitch (both poles) ±320 Logic inputs Vswitch (both poles) ±330 Logic inputs Vswitch (both poles) ±310 Logic inputs
Iswitch Iswitch Iswitch IRINGSOURCE Iswitch Iswitch Iswitch
V/µs
time publication this data sheet, current device design will nominal Devices being redesigned reduce this current less than nominally. Consult your Lucent Technologies Microelectronics Group account executive additional details. Choice secondary protector series current-limit resistor should ensure these ratings exceeded. Applied voltage Vp-p square wave
Lucent Technologies Inc.
L7582 Ring Access Switch
Electrical Characteristics (continued)
Table Loop Access Switches, Parameter OFF-state Leakage Current: Current Limit: Dynamic Current Limit <0.5 ON-resistance: ON-state Voltage* Isolation: dV/dt Sensitivity Test Condition Vswitch (differential) -320 Vswitch (differential) +260 Vswitch (differential) -330 Vswitch (differential) +270 Vswitch (differential) -310 Vswitch (differential) +250 Vswitch (on) Vswitch (on) Break switches state; ringing access switches off; apply ±1000 10/1000 pulse; appropriate secondary protection place Iswitch (on) Iswitch (on) Iswitch (on) Iswitch ILIMIT Hz/60 Vswitch (both poles) ±320 Logic inputs Vswitch (both poles) ±330 Logic inputs Vswitch (both poles) ±310 Logic inputs Measure Iswitch Iswitch Iswitch Unit
Iswitch Iswitch Iswitch
Iswitch Iswitch Iswitch
V/µs
This parameter tested production. Choice secondary protector should ensure this rating exceeded. Applied voltage Vp-p square wave
Lucent Technologies Inc.
L7582 Ring Access Switch
Electrical Characteristics (continued)
Table Additional Electrical Characteristics Parameter Digital Input Characteristics: Input Voltage Input High Voltage Input Leakage Current (high) Input Leakage Current (low) Power Requirements: Power Dissipation Test Condition VBAT Vlogicin VBAT Vlogicin VBAT idle/talk state state, ringing state access state idle/talk state state, ringing state access state VBAT idle/talk state state, ringing state access state Measure llogicin llogicin Unit
IDD, IBAT IBAT IBAT
Current
0.750
VBAT Current
Temperature Shutdown Requirements*: Shutdown Activation Temperature Shutdown Circuit Hysteresis
Temperature shutdown flag (TSD) will high during normal operation during temperature shutdown state.
Zero Cross Current Turn
ring access switch (SW4) designed turn next zero current crossing after application appropriate logic input control. This switch requires current zero cross turn off. Switch once will remain state (regardless logic input) until current zero cross. Therefore, ensure proper operation switch this switch should connected, proper impedance, ringing generator some other source. attempt switch pure with switch detailed explanation operation switch please refer Introduction L758X Series Line Card Access Switches Application Note.
Switching Behavior
When switching from power ringing state idle/talk state simple logic level input control, L7582 able provide control with respect timing when ringing access contacts released relative state line break contacts. Make-before-break operation occurs when line break switch contacts closed made) before ringing access switch contact opened broken). Break-before-make operation occurs when ringing access contact opened (broken) before line break switch contacts closed (made). Using logic level input pins INring INaccess, either make-before-break break-before-make operation L7582 easily achieved. logic sequences either mode operation given Table Table Truth Table (Table explanation logic states.
Lucent Technologies Inc.
L7582 Ring Access Switch
turn
Switching Behavior (continued)
When using L7582 make-before-break mode, during ring-to-idle transition, period one-half ringing frequency, ring break switch pnpn-type ring access switch both state. This maximum time after logic signal INRING transitioned that ring access switch waiting next zero current cross, close. During this interval, current that limited break switch current-limit value will sourced from ring node SLIC. This current presented internal protection circuit.
SCR-type protector used code) random probability ring-to-idle transition occurs during portion ring cycle when ringing voltage exceeds protection circuit turn-on voltage. Current excess SCR's turn-on current also available.
Once triggered SLIC capable supplying current excess holding current, latched SLIC. probability this event depends characteristics given SLIC holding current L7582A device. hold current distribution designed safely away from test limit higher distribution, lower probability latch. this situation concern given board design, either series device break-before-make mode (eliminates original current pulse) series device (eliminates SCR).
Table Make-Before-Break Operation Break Switches Open Closed Ring Return Switch Closed Open Line Ring Access Access Switch Switches Closed Closed Open Open
ACCESS INPUT
State
Timing
Float Power Ringing Float Make-before- waiting next zero break current crossing turn maximum time-one-half ringing. this transition state, current that limited break switch current-limit value will sourced from ring node SLIC. Float Idle/Talk Zero cross current occurred.
Closed
Open
Open
Open
Lucent Technologies Inc.
L7582 Ring Access Switch
Switching Behavior (continued)
Table Break-Before-Make Operation ACCESS INPUT Float State Timing Break Switches Open Open Ring Return Switch Closed Open Ring Access Switch Closed Closed Line Access Switches Open Open
Power Ringing Float Hold this state waiting zero current turn off. Float Zero current occurred opened. Float Idle/Talk Release break switches.
Open Closed
Open Open
Open Open
Open Open
Notes: Break-before-make operation also achieved using input. lines three Table instead using logic input pins force state, force ground. This will override logic inputs also force state. Hold this state During this state, toggle inputs from (ringing state) (idle/talk state). After release return switch control input pins which will idle talk state. When using L7582 this mode, forcing ground will override INPUT pins force state. Setting will allow switch control logic INPUT pins. However, setting will also disable thermal shutdown mechanism. This recommended. Therefore, allow switch control logic INPUT pins, allow float. Thus, when using input, recommended states (overrides logic input pins forces state) float (allows switch control logic input pins thermal shutdown mechanism active). This require open collector buffer Also note that operation L7582 different than operation L7581, where application does disable thermal shutdown mechanism.
Power Supplies
Both battery supply brought onto L7582. L7582 requires only supply switch operation; that state control powered exclusively supply. Because this, L7582 offers extremely power dissipation, both idle active states. battery voltage used switch state control. battery used reference voltage integrated secondary protection circuit. When voltage TBAT RBAT drops below battery, integrated will trigger, thus preventing fault-induced overvoltage situations TBAT/RBAT nodes.
L7582 designed such that device will enter state battery rises above will remain until battery drops below Monitoring battery automatic shutdown feature will draw small current from battery, typically This will slightly overall power dissipation device.
Impulse Noise
Using L7582 will minimize possibly eliminate contribution overall system impulse noise that associated with ringing access switches. Because this characteristic L7582, necessary incorporate zero cross switching scheme. This ultimately depends upon characteristics individual system best evaluated board level.
Loss Battery Voltage
additional protection feature, L7582 monitors battery voltage. Upon loss battery voltage, L7582 will automatically enter state remain that state until battery voltage restored.
Lucent Technologies Inc.
L7582 Ring Access Switch
During power cross event, current that passed through break switches presented integrated protection circuit subsequent circuitry limited current-limit response break switches (assuming idle/talk state). current limit specified over temperature between Note that current-limit circuitry negative temperature coefficient. Thus, device subjected extended power cross, value current seen TBAT/RBAT will decrease device heats fault current. sufficient heating occurs, temperature shutdown mechanism will activate device will enter mode. Temperature Shutdown Mechanism When device temperature reaches minimum thermal shutdown mechanism will activate force device into state, regardless logic input pins. TSD, when used output, will read when device thermal shutdown mode +VDD during normal operation. During lightning event, relatively short duration, thermal shutdown will typically activate. During extended power cross, device temperature will rise cause device enter thermal shutdown mode. This forces mode, current seen TBAT/RBAT drops zero. Once thermal shutdown mode, device will cool exit thermal shutdown mode, thus reentering state prior thermal shutdown. Current, limited current-limit value, will again begin flow device heating will begin again. This cycle entering exiting thermal shutdown will last long power-cross fault present. magnitude power great enough, external secondary protector could trigger, thereby shunting current ground. L7582, thermal shutdown mechanism disabled forcing +VDD. This functionality differs from L7581, whose thermal shutdown mechanism cannot disabled.
Protection
Integrated SLIC Protection
Diode Bridge/SCR L7582Axx version, protection SLIC device other subsequent circuitry provided combination current-limited break switches, diode bridge/ clamping circuit, thermal shutdown mechanism. L7582Bxx version, protection SLIC device other subsequent circuitry provided combination current-limited break switches, diode bridge, thermal shutdown mechanism. both versions, during positive lightning event, fault current directed ground steering diodes diode bridge. Voltage clamped diode drop above ground. version, negative lightning causes conduct when voltage goes more negative than battery. Fault currents then directed ground steering diodes diode bridge. Note that foldback crowbar, voltage (see Table must less negative than battery reference voltage. battery voltage less negative than voltage, will conduct fault currents ground; however, will crowbar. version, negative lightning directed battery steering diodes diode bridge. power cross power induction faults, both versions, positive cycle fault clamped diode drop above ground fault currents steered ground. version, negative cycle will cause trigger when voltage exceeds battery reference voltage When triggers, fault current steered ground. version, negative cycle power cross steered battery. Current Limiting During lightning event, current that passed through break switches presented integrated protection circuit subsequent circuitry limited dynamic current-limit response break switches (assuming idle/talk state). When voltage seen TLINE/RLINE nodes properly clamped external secondary protector, upon application 1000 1000 pulse (LSSGR lightning), current seen TBAT/RBAT nodes will typically pulse magnitude duration less than
Lucent Technologies Inc.
L7582 Ring Access Switch
where: VBATmax-Maximum magnitude battery voltage. Vbreakovermax-Maximum magnitude breakover voltage external secondary protector. Vbreakovermin-Minimum magnitude breakover voltage external secondary protector. Vbreakdownmin(break)-Minimum magnitude breakdown voltage L7582 break switch. Vbreakdownmin(ring)-Minimum magnitude breakdown voltage L7582 ring access switch. Vringingpeakmax-Maximum magnitude peak voltage ringing signal. Series current-limiting fused resistors PTCs should chosen exceed current rating external secondary protector. Refer manufacturer's data sheet requirements.
Protection (continued)
Integrated SLIC Protection (continued)
External Secondary Protector With above integrated protection features, only overvoltage secondary protection device loop side L7582 required. purpose this device limit fault voltages seen L7582 exceed breakdown voltage input-output isolation rating device. minimize stress L7582, foldback- crowbar-type device recommended. detailed explanation design equations choice external secondary protection device given Introduction L758X Series Line Card Access Switches Application Note. Basic design equations governing choice external secondary protector given below:
|VBATmax| |Vbreakovermax| |Vbreakdownmin(break)| |Vringingpeakmax| |VBATmax| |Vbreakovermax| |Vbreakdownmin(ring)| |Vringingpeakmax| |VBATmax| |Vbreakovermin|
Table Electrical Specifications, Protection Circuitry Parameters Related Diodes Diode Bridge) Parameter Test Condition Measure Voltage Drop Continuous CurApply current limit Forward rent Hz/60 break switches Voltage Voltage Drop Surge Apply ±dynamic curForward Current rent limit break Voltage switches Parameters Related Protection Surge Current Gate Trigger Current* Gate Trigger Current Temperature Coefficient Hold Current Gate Trigger Voltage Trigger current VBAT Reverse Leakage Current VBAT ON-State Voltage Unit
-0.5
VBAT
%/°C
Previous versions this data sheet specified Trigger Current minimum. Trigger Current defined minimum current drawn from ring turn SCR. specification this data sheet Gate Trigger Current, which defined maximum current that flow into battery before turns Typical Twice dynamic current limit break switches. some instances, typical ON-state voltage range
Lucent Technologies Inc.
L7582 Ring Access Switch
Typical Performance Characteristics
ILIMIT CURRENT-LIMIT BREAK SWITCHES -1.5 VBAT CURRENT LIMITING
VBAT VBAT
ILIMIT
12-2311
CURRENT LIMIT BREAK SWITCHES)
12-2309.f
CURRENT LIMITING
Figure Switches
Figure Protection Circuit Version
CURRENT-LIMIT BREAK SWITCHES -VOS VBAT VBAT +VOS
12-2312
CURRENT LIMIT BREAK SWITCHES)
12-2309.b
Figure Switch
Figure Protection Circuit Version
Lucent Technologies Inc.
L7582 Ring Access Switch
Application
VBAT REFERENCE LINE TEST ACCESS RINGING RETURN BREAK CROWBAR PROTECTION RING LINE TEST ACCESS BREAK RINGING ACCESS RING GENERATOR BATTERY
12-2366.c
TRIP
BATTERY FEED
RING
Figure Typical TRAS Application, Idle, Talk State Shown Table Truth Table Input Access Break Switch Ring Break Switch Ringing Return Switch Ring Switch Access Switch Ring Access Switch Off3 Off4 Off6 Off6
Don't Care Don't Care
V/Float1 V/Float1 V/Float1 V/Float1
thermal shutdown mechanism disabled. floating, thermal shutdown mechanism active. Forcing ground overrides logic input pins forces state. Idle/Talk state. Power ringing state. Test message waiting state. state.
parallel in/parallel data latch integrated into L7582. Operation data latch controlled logic level input LATCH. data input latch INRING INACCESS pins L7582, output data latch internal node used state control. When LATCH control logic data latch transparent data control signals flow directly from INRING INACCESS, through data latch state control. changes INRING INACCESS will reflected state switches. Lucent Technologies Inc.
When LATCH control logic data latch active-the L7582 will longer react changes INRING INACCESS control pins. state switches latched; that state switches will remain they were when LATCH input transitioned from logic logic switches will respond changes INRING INACCESS long LATCH held high. Note that input tied data latch. affected LATCH input. input will override state control INRING, INACCESS, LATCH.
L7582 Ring Access Switch
Outline Diagrams
16-Pin, Plastic (L7582AAE/BAE)
Note: dimensions this outline diagram intended informational purposes only. detailed schematics assist your design efforts, please contact your Lucent Technologies Sales Representative.
IDENTIFIER ZONE
SEATING PLANE 0.10 1.27 0.51 0.28 0.61
Number Pins
Maximum Length 10.49
Maximum Width Without Leads 7.62
Maximum Width Including Leads 10.64
Maximum Height Above Board 2.67
5-4414
Lucent Technologies Inc.
L7582 Ring Access Switch
Outline Diagrams (continued)
16-Pin, Plastic (L7582AC/BC)
Note: dimensions this outline diagram intended informational purposes only. detailed schematics assist your design efforts, please contact your Lucent Technologies Sales Representative.
IDENTIFIER ZONE
SEATING PLANE 0.38 2.54 0.58
Number Pins
Maximum Length 20.57
Maximum Width Without Leads 6.48
Maximum Width Including Leads 7.87
Maximum Height Above Board 5.08
5-4410
Lucent Technologies Inc.
L7582 Ring Access Switch
Ordering Information
Device Part ATTL7582AAE ATTL7582AAE-TR* ATTL7582AC ATTL7582BAE ATTL7582BAE-TR* ATTL7582BC Description Access Switch Access Switch Access Switch Access Switch Access Switch Access Switch Package 16-pin 16-pin (Tape Reel) 16-pin 16-pin 16-pin (Tape Reel) 16-pin Comcode 107338543 107338576 107394181 107394231 107394256 107394207
*Devices tape reel must ordered 1000-piece rement
info ation, contact your Microelectronics Group ount Manager followi http://www.lucent.com/micro docmaster@micro.lucent.com Microelectronics Grou Lucent Technologies Inc., Union Boul evard, Room 30L-15 P-BA, Allent 18103 1-800-372-2447, 610-712-4106 CANADA: 1-800-553-2448, 610-712-4106) ASIA PACIFIC: Microelectronics Grou Lucent Technologies Singapore Ltd., Science Park Drive, #03-18 Cintech 118256 Singa Tel. (65) 8833, (65) 7495 CHINA: Micr oelectronics Group, Lucent Techn ologies (China) Co., A-F2, 23/F, Fong Univers Building, 1800 Shan Road, Shang 200233 China Tel. (86) 6440 0468, ext. 316, (86) 6440 0652 JAPAN: Micr oelectronics Group, Lucent Technolog Japan Ltd., 7-18, Higashi-Gotanda 2-chome, Shinagawa-ku, Tokyo 141, Japan Tel. (81) 5421 1600, (81) 5421 1700 EUROPE: Data Requ ests: MICROELECTRONICS GROUP DATALINE: Tel. (44) 7000 368, (44) 1189 Technical Inquiries: GERMANY: (49) 95086 (Munich), UNITED KINGDOM:(44) 1344 (Ascot), FRANCE: (33) (Paris), SWEDEN: (46) (Sto ckholm), FINLAND (358) 4354 2800 (Hels inki), ITALY: (39) 6608131 (Milan), SPAIN: (34) 1441 (Madrid)
Lucent Techn ologies right make chan roduct formation ontain rein with outo liability assum heir applicatio tice. rights unde tent ompa such roduct formation.
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Copyright 1999 Luce Technologie Inc. Rights
November 1999 DS00-051ALC (Replaces DS99-015ALC)

Small size/surface-mount packaging Monolithic reliability impulse nois

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