Voltage Power Supply Range, 3.0V 3.6V Standard Supply Range Compatible

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Voltage Power Supply Range, 3.0V 3.6V Standard Supply Range Compatible

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Fast Read Access Time AT27BV020 Faster Speeds Dual Voltage Range Operation
Voltage Power Supply Range, 3.0V 3.6V Standard Supply Range Compatible with JEDEC Standard AT27C020 Power CMOS Operation (Less than Typical) Standby 3.6V Active 3.6V JEDEC Standard Packages 32-lead PLCC 32-lead TSOP 32-lead VSOP High Reliability CMOS Technology 2,000V Protection Latchup Immunity Rapid Programming Algorithm µs/Byte (Typical) Two-line Control CMOS Compatible Inputs Outputs JEDEC Standard LVTTL Integrated Product Identification Code Industrial Temperature Range Green (Pb/Halide-free) Packaging Option
2-Megabit (256K Voltage EPROM AT27LV020A
Description
AT27LV020A high-performance, low-power, low-voltage 2,097,152 onetime programmable read-only memory (OTP EPROM) organized 256K bits. requires only supply range 3.6V normal read mode operation, making ideal fast, portable systems using battery power. Atmel's innovative design techniques provide fast speeds that rival parts while keeping power consumption supply. 3.0V, byte accessed less than With typical power dissipation only 3.3V, AT27LV020A consumes less than fifth power standard EPROM. Standby mode supply current typically less than 3.3V. AT27LV020A available industry-standard JEDEC approved one-time programmable (OTP) plastic PLCC, TSOP, VSOP. devices feature two-line control (CE, give designers flexibility prevent contention. AT27LV020A operating with 3.0V produces level outputs that compatible with standard logic devices operating 5.0V. device also capable standard 5-volt operation making ideally suited dual supply range systems card products that pluggable both 3-volt 5-volt hosts. Atmel's AT27LV020A additional features ensure high quality efficient production use. Rapid Programming Algorithm reduces time required program part guarantees reliable programming. Programming time typically only µs/byte. Integrated Product Identification Code electronically identifies device manufacturer. This feature used industry standard programming equipment select proper programming algorithms voltages. AT27LV020A programs exactly same standard AT27C020 uses same programming equipment.
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Configurations
Name Function Addresses Outputs Chip Enable Output Enable Program Strobe Connect
32-lead TSOP/VSOP (Type View
32-lead PLCC View
AT27LV020A
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AT27LV020A
System Considerations
Switching between active standby conditions Chip Enable produce transient voltage excursions. Unless accommodated system design, these transients exceed datasheet limits, resulting device non-conformance. minimum, high frequency, inherent inductance, ceramic capacitor should utilized each device. This capacitor should connected between Ground terminals device, close device possible. Additionally, stabilize supply voltage level printed circuit boards with large EPROM arrays, bulk electrolytic capacitor should utilized, again connected between Ground terminals. This capacitor should positioned close possible point where power supply connected array.
Block Diagram
Absolute Maximum Ratings*
Temperature Under Bias. -40°C +85°C Storage Temperature -65°C +125°C Voltage with with Respect Ground .-2.0V +7.0V(1) Voltage with Respect Ground .-2.0V +14.0V(1) Supply Voltage with Respect Ground .-2.0V +14.0V(1) Notes: Minimum voltage -0.6V which undershoot -2.0V pulses less than Maximum output voltage 0.75V which exceeded certain precautions observed (consult application notes) which overshoot +7.0V pulses less than *NOTICE: Stresses beyond those listed under "Absolute Maximum Ratings" cause permanent damage device. This stress rating only functional operation device these other conditions beyond those indicated operational sections this specification implied. Exposure absolute maximum rating conditions extended periods affect device reliability.
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Operating Modes
Mode/Pin Read
Outputs DOUT High High DOUT High Identification Code
Output Disable Standby
Rapid Program(3) Verify(3) Inhibit
Product Identification(3)(5) Notes: VIH.
Read, output disable, standby modes require, 3.0V 3.6V, 4.5V 5.5V. Refer Programming Characteristics. Programming modes require 6.5V. 12.0 0.5V. identifier bytes selected. inputs held (VIL), except which which toggled (VIL) select Manufacturer's Identification byte high (VIH) select Device Code byte.
Operating Conditions Read Operation
AT27LV020A-12 Industrial Operating Temperature (Case) Power Supply -40°C 85°C 3.0V 3.6V
AT27LV020A
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AT27LV020A
Operating Characteristics Read Operation
Symbol Parameter Condition Units 3.0V 3.6V IPP1
Input Load Current Output Leakage Current Read/Standby Current
VOUT ISB1 (CMOS), 0.3V ISB2 (TTL), 0.5V MHz, IOUT -0.6 -2.0
Standby Current(1) Active Current Input Voltage Input High Voltage Output Voltage Output High Voltage
4.5V 5.5V IPP1(2) Notes: Input Load Current Output Leakage Current Read/Standby Current(1) Standby Current(1) Active Current Input Voltage Input High Voltage Output Voltage Output High Voltage -400 VOUT ISB1 (CMOS), 0.3V ISB2 (TTL), 0.5V MHz, IOUT -0.6
must applied simultaneously with before VPP, removed simultaneously with after VPP. connected directly VCC, except during programming. supply current would then IPP.
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Characteristics Read Operation
3.0V 3.6V 4.5V 5.5V
AT27LV020A-12 Symbol tACC
Parameter Address Output Delay Output Delay Output Delay High Output Float, Whichever Occurred First Output Hold from Address, Whichever Occurred First
Condition
Units
tCE(2)
(2)(3) (4)(5)
Waveforms Read Operation
Notes:
Timing measurement references 0.8V 2.0V. Input drive levels 0.45V 2.4V, unless otherwise specified. delayed after falling edge without impact tCE. delayed tACC after address valid without impact tACC. This parameter only sampled 100% tested. Output float defined point when data longer driven.
AT27LV020A
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AT27LV020A
Input Test Waveform Measurement Level
90%)
Output Test Load
Note:
including capacitance.
Capacitance
MHz, 25°C(1)
Symbol COUT Note: Units Conditions VOUT
Typical values nominal supply voltage. This parameter only sampled 100% tested.
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Programming Waveforms(1)
Notes:
Input Timing Reference 0.8V 2.0V VIH. tDFP characteristics device must accommodated programmer. When programming AT27LV020A capacitor required across ground suppress spurious voltage transients.
AT27LV020A
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AT27LV020A
Programming Characteristics
5°C, 0.25V, 13.0 0.25V
Limits Symbol ICC2 IPP2 Parameter Input Load Current Input Level Input High Level Output Voltage Output High Voltage Supply Current (Program Verify) Supply Current Product Identification Voltage 11.5 -400 12.5 Test Conditions VIL, -0.6 Units
Programming Characteristics
5°C, 0.25V, 13.0 0.25V
Limits Symbol tCES tOES tDFP tVPS tVCS tPRT Notes: Parameter Address Setup Time Setup Time Setup Time Data Setup Time Address Hold Time Data Hold Time High Output Float Delay Setup Time Setup Time Program Pulse Width(2) Data Valid from Pulse Rise Time During Programming Output Timing Reference Level 0.8V 2.0V
Test Conditions
Units
Input Rise Fall Times (10% 90%) Input Pulse Levels 0.45V 2.4V Input Timing Reference Level 0.8V 2.0V
must applied simultaneously before removed simultaneously after VPP. This parameter only sampled 100% tested. Output Float defined point where data longer driven timing diagram. Program Pulse width tolerance µsec
Atmel's AT27LV020A Integrated Product Identification Code(1)
Pins Codes Manufacturer Device Type Note: Data
AT27LV020A same Product Identification Code AT27C020. Both programming compatible.
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Rapid Programming Algorithm
pulse width used program. address first location. raised 6.5V raised 13.0V. Each address first programmed with pulse without verification. Then verification/reprogramming loop executed each address. event byte fails pass verification, successive pulses applied with verification after each pulse. byte fails verify after pulses have been applied, part considered failed. After byte verifies properly, next address selected until have been checked. then lowered 5.0V 5.0V. bytes read again compared with original data determine device passes fails.
AT27LV020A
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AT27LV020A
Ordering Information
19.1
tACC (ns)
Standard Package
(mA) 3.6V Active Standby 0.02 Ordering Code AT27LV020A-12JI AT27LV020A-12TI AT27LV020A-12VI Package Operation Range Industrial (-40°C 85°C)
Note:
Refer PCN# SC042702.
19.2
tACC (ns)
Green Package Option (Pb/Halide-free)
(mA) 3.6V Active Standby 0.02 Ordering Code AT27LV020A-12JU AT27LV020A-12TU AT27LV020A-12VU Package Operation Range Industrial (-40°C 85°C)
Package Type 32-Lead, Plastic J-Leaded Chip Carrier (PLCC) 32-Lead, Plastic Thin Small Outline Package (TSOP) 32-Lead, Plastic Thin Small Outline Package (VSOP)
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Packaging Information
20.1 PLCC
1.14(0.045)
IDENTIFIER
1.14(0.045) 0.318(0.0125) 0.191(0.0075)
0.51(0.020)MAX (3X)
COMMON DIMENSIONS (Unit Measure SYMBOL
3.175 1.524 0.381 12.319 11.354 9.906 14.859 13.894 12.471 0.660 0.330
1.270
3.556 2.413 12.573 11.506 10.922 15.113 14.046 13.487 0.813 0.533
NOTE
Note
Notes:
This package conforms JEDEC reference MS-016, Variation Dimensions include mold protrusion. Allowable protrusion .010"(0.254 side. Dimension include mold mismatch measured extreme material condition upper lower parting line. Lead coplanarity 0.004" (0.102 maximum.
Note
10/04/01 2325 Orchard Parkway Jose, 95131 TITLE 32J, 32-lead, Plastic J-leaded Chip Carrier (PLCC) DRAWING REV.
AT27LV020A
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AT27LV020A
20.2 -TSOP
Identifier
SEATING PLANE
GAGE PLANE
SYMBOL Notes: This package conforms JEDEC reference MO-142, Variation Dimensions include mold protrusion. Allowable protrusion 0.15 side 0.25 side. Lead coplanarity 0.10 maximum.
COMMON DIMENSIONS (Unit Measure 0.05 0.95 19.80 18.30 7.90 0.50 1.00 20.00 18.40 8.00 0.60 0.25 BASIC 0.17 0.10 0.22 0.50 BASIC 0.27 0.21 1.20 0.15 1.05 20.20 18.50 8.10 0.70 Note Note NOTE
10/18/01 2325 Orchard Parkway Jose, 95131 TITLE 32T, 32-lead Package) Plastic Thin Small Outline Package, Type (TSOP) DRAWING REV.
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20.3
-VSOP
Identifier
SEATING PLANE
GAGE PLANE
SYMBOL Notes: This package conforms JEDEC reference MO-142, Variation Dimensions include mold protrusion. Allowable protrusion 0.15 side 0.25 side. Lead coplanarity 0.10 maximum.
COMMON DIMENSIONS (Unit Measure 0.05 0.95 13.80 12.30 7.90 0.50 1.00 14.00 12.40 8.00 0.60 0.25 BASIC 0.17 0.10 0.22 0.50 BASIC 0.27 0.21 1.20 0.15 1.05 14.20 12.50 8.10 0.70 Note Note NOTE
10/18/01 2325 Orchard Parkway Jose, 95131 TITLE 32V, 32-lead Package) Plastic Thin Small Outline Package, Type (VSOP) DRAWING REV.
AT27LV020A
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Voltage Power Supply Range, 3.0V 3.6V Standard Supply Range Compatible

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