2002 Revised 2002 74LCXH16245 Voltage 16-Bit Bidirectional Transc

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2002 Revised 2002 74LCXH16245 Voltage 16-Bit Bidirectional Transc

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74LCXH16245 Voltage 16-Bit Bidirectional Transceiver with Bushold
2002 Revised 2002
74LCXH16245 Voltage 16-Bit Bidirectional Transceiver with Bushold
LCXH16245 contains sixteen non-inverting bidirectional buffers with 3-STATE outputs intended oriented applications. device designed voltage (2.5V 3.3V) applications with capability interfacing signal environment. device byte controlled. Each byte separate control inputs which could shorted together full 16-bit operation. inputs determine direction data flow through device. inputs disable both Ports placing them high impedance state. LCXH16245 data inputs include active bushold circuitry, eliminating need external pull-up resistors hold unused floating data inputs valid logic level. LCXH16245 fabricated with advanced CMOS technology achieve high speed operation while maintaining CMOS power dissipation.
Features
2.3V-3.6V specifications provided (VCC 3.3V), Power-down high impedance outputs Bushold inputs eliminates need external pull-up/pull-down resistors output drive (VCC 3.0V) Implements patented noise/EMI reduction circuitry Latch-up performance conforms requirements JESD78 performance: Human body model 2000V Machine model 200V Also packaged plastic Fine-Pitch Ball Grid Array (FBGA)
Ordering Code:
Order Number 74LCXH16245G (Note (Note 74LCXH16245MTD (Note Package Number BGA54A MTD48 Package Description 54-Ball Fine-Pitch Ball Grid Array (FBGA), JEDEC MO-205, 5.5mm Wide 48-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 6.1mm Wide
Note Ordering Code indicates Trays. Note Devices also available Tape Reel. Specify appending suffix letter ordering code.
Logic Symbol
2002 Fairchild Semiconductor Corporation
DS500581
www.fairchildsemi.com
74LCXH16245
Connection Diagrams
Assignment SSOP TSSOP
Descriptions
Names T/Rn A0-A15 B0-B15 Description Output Enable Input Transmit/Receive Input Side Inputs 3-STATE Outputs (Bushold) Side Inputs 3-STATE Outputs (Bushold)
FBGA Assignments
T/R1 T/R2
Truth Tables
Inputs Inputs Assignment FBGA T/R2 Outputs B8-B15 Data A8-A15 A8-A15 Data B8-B15 HIGH State A8-A15, B8-B15 T/R1 Outputs B0-B7 Data A0-A7 A0-A7 Data B0-B7 HIGH State A0-A7, B0-B7
HIGH Voltage Level Voltage Level Immaterial High Impedance
Logic Diagram
(Top Thru View)
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74LCXH16245
Absolute Maximum Ratings(Note
Symbol IGND TSTG Parameter Supply Voltage Input Voltage Output Voltage Input Diode Current Output Diode Current Output Source/Sink Current Supply Current Supply Ground Current Ground Storage Temperature Value Conditions Units Output 3-STATE Output HIGH State (Note
-0.5 +7.0 -0.5 -0.5 +7.0 -0.5 ±100 ±100 +150
Recommended Operating Conditions (Note
Symbol IOH/IOL Supply Voltage Input Voltage Output Voltage Output Current HIGH State 3-STATE 3.0V 3.6V 2.7V 3.0V 2.3V 2.7V Free-Air Operating Temperature Input Edge Rate, 0.8V-2.0V, 3.0V Parameter Operating Data Retention Units
ns/V
Note Absolute Maximum Ratings those values beyond which safety device cannot guaranteed. device should operated these limits. parametric values defined Electrical Characteristics tables guaranteed Absolute Maximum Ratings. "Recommended Operating Conditions" table will define conditions actual device operation. Note Absolute Maximum Rating must observed. Note Floating unused control inputs must HIGH LOW.
Electrical Characteristics
Symbol Parameter HIGH Level Input Voltage Level Input Voltage HIGH Level Output Voltage -100 Level Output Voltage Input Leakage Current Data Control Conditions 0.55 ±5.0 ±5.0 -40°C +85°C Units
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74LCXH16245
Electrical Characteristics
Symbol II(HOLD) Parameter Bushold Input Minimum Drive Hold Current
(Continued)
-40°C +85°C -300 -450 ±5.0
Conditions 0.7V 1.7V 0.8V 2.0V
Units
2.3-3.6 2.3-3.6
II(OD)
Bushold Input Over-Drive Current Change State
(Note (Note (Note (Note
IOFF
3-STATE Leakage Power-Off Leakage Current Quiescent Supply Current Increase Input
5.5V -0.6V
Note external driver must source least specified current switch from LOW-to-HIGH. Note external driver must sink least specified current switch from HIGH-to-LOW.
Electrical Characteristics
-40°C +85°C, Symbol Parameter 3.3V 0.3V tPHL tPLH tPZL tPZH tPLZ tPHZ tOSHL tOSLH Output Output Skew (Note Output Disable Time Propagation Delay Output Enable Time 2.7V 2.5V 0.2V Units
Note Skew defined absolute value difference between actual propagation delay separate outputs same device. specification applies outputs switching same direction, either HIGH-to-LOW (tOSHL) LOW-to-HIGH (tOSLH). Parameter guaranteed design.
Dynamic Switching Characteristics
Symbol VOLP VOLV Parameter Quiet Output Dynamic Peak Quiet Output Dynamic Valley Conditions 3.3V, 2.5V, 3.3V, 2.5V, 25°C Typical -0.8 -0.6 Units
Capacitance
Symbol CI/O Input Capacitance Input/Output Capacitance Power Dissipation Capacitance Parameter Conditions Open, 3.3V, 3.3V, VCC, Typical Units
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74LCXH16245
LOADING WAVEFORMS Generic Family
FIGURE Test Circuit includes probe capacitance) Test tPLH, tPHL tPZL, tPLZ tPZH, tPHZ Switch Open 0.3V, 2.7V 0.2V
Waveform Inverting Non-Inverting Functions
3-STATE Output High Enable Disable Times Logic
Propagation Delay. Pulse Width trec Waveforms
Setup Time, Hold Time Recovery Time Logic
3-STATE Output Enable Disable Times Logic FIGURE Waveforms (Input Characteristics; =1MHz, 3ns) Symbol 3.3V 0.3V 1.5V 1.5V 0.3V 0.3V 2.7V 1.5V 1.5V 0.3V 0.3V
trise tfall
2.5V 0.2V VCC/2 VCC/2 0.15V 0.15V
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74LCXH16245
Schematic Diagram Generic Family
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74LCXH16245
Physical Dimensions inches (millimeters) unless otherwise noted
54-Ball Fine-Pitch Ball Grid Array (FBGA), JEDEC MO-205, 5.5mm Wide Package Number BGA54A
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74LCXH16245 Voltage 16-Bit Bidirectional Transceiver with Bushold
Physical Dimensions inches (millimeters) unless otherwise noted (Continued)
48-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 6.1mm Wide Package Number MTD48
Fairchild does assume responsibility circuitry described, circuit patent licenses implied Fairchild reserves right time without notice change said circuitry specifications. LIFE SUPPORT POLICY FAIRCHILD'S PRODUCTS AUTHORIZED CRITICAL COMPONENTS LIFE SUPPORT DEVICES SYSTEMS WITHOUT EXPRESS WRITTEN APPROVAL PRESIDENT FAIRCHILD SEMICONDUCTOR CORPORATION. used herein: Life support devices systems devices systems which, intended surgical implant into body, support sustain life, whose failure perform when properly used accordance with instructions provided labeling, reasonably expected result significant injury user. www.fairchildsemi.com critical component component life support device system whose failure perform reasonably expected cause failure life support device system, affect safety effectiveness. www.fairchildsemi.com

2002 Revised 2002 74LCXH16245 Voltage 16-Bit Bidirectional Transc

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