Unregulated Battery Power Supply Range, 2.7V 3.6V Standard Supply Rang

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Unregulated Battery Power Supply Range, 2.7V 3.6V Standard Supply Rang

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Fast Read Access Time Dual Voltage Range Operation
Unregulated Battery Power Supply Range, 2.7V 3.6V Standard Supply Range Compatible with JEDEC Standard AT27C020 Low-power CMOS Operation max. (Less than Typical) Standby 3.6V max. Active 3.6V Wide Selection JEDEC Standard Packages 32-lead PLCC 32-lead TSOP 32-lead VSOP High Reliability CMOS Technology 2,000V Protection Latch-up Immunity RapidProgramming Algorithm µs/Byte (Typical) CMOS Compatible Inputs Outputs JEDEC Standard LVTTL LVBO Integrated Product Identification Code Commercial Industrial Temperature Ranges
2-megabit (256K Unregulated Battery-VoltageHigh-speed EPROM AT27BV020
Description
AT27BV020 high-performance, low-power, low-voltage, 2,097,152-bit, 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 either regulated unregulated battery (continued) power.
Configurations
Name Function Addresses Outputs Chip Enable Output Enable Program Strobe Connect PLCC, View
TSOP, VSOP View Type
Rev. 0902D-04/01
Atmel's innovative design techniques provide fast speeds that rival parts while keeping power consumption supply. 2.7V, byte accessed less than With typical power dissipation only AT27BV020 consumes less than fifth power standard EPROM. Standby mode supply current typically less than AT27BV020 simplifies system design stretches battery lifetime even further eliminating need power supply regulation AT27BV020 available industry standard JEDEC approved one-time programmable (OTP) plastic PLCC, TSOP VSOP packages, well 42-ball, pitch. devices feature two-line control (CE, give designers flexibility prevent contention. AT27BV020 operating with 3.0V produces level outputs that compatible with standard logic devices operating 5.0V. 2.7V, part compatible with JEDEC approved voltage battery operation (LVBO) interface specifications. 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 AT27BV020 additional features ensure high quality efficient production use. RapidProgramming 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. AT27BV020 programs exactly same standard AT27C020 uses same programming equipment.
System Considerations
Switching between active standby conditions Chip Enable produce transient voltage excursions. Unless accommodated system design, these transients exceed data sheet limits, resulting device nonconformance. 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
AT27BV020
AT27BV020
Absolute Maximum Ratings*
Temperature under Bias -40°C +85°C Storage Temperature -65°C +125°C Voltage 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) Note: Minimum voltage -0.6V which undershoot -2.0V pulses less than ns.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.
Operating Modes
Mode Read
Outputs DOUT High-Z High-Z DOUT High-Z Identification Code
Output Disable(2) Standby
VCC(2)
Rapid Program Verify
Inhibit(3) Product Identification(3)(5) Notes:
VCC(3) VCC(3)
VIH. Read, output disable, standby modes require, 2.7V 3.6V, 4.5V 5.5V. Refer Programming Characteristics. Programming modes requires 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
AT27BV020-90 Operating Temperature (Case) Power Supply Com. Ind. 70°C -40°C 85°C 2.7V 3.6V AT27BV020-12 70°C -40°C 85°C 2.7V 3.6V AT27BV020-15 70°C -40°C 85°C 2.7V 3.6V
Operating Characteristics Read Operation
Symbol Parameter Condition Units 2.7V 3.6V IPP1(2) Input Load Current Output Leakage Current
VOUT ISB1 (CMOS), VCC=± 0.3V ISB2 (TTL), 0.5V MHz, IOUT VIL, 3.6V 3.6V 3.6V -0.6 -0.6
Read/Standby Current
VCC(1) Standby Current Active Current Input Voltage
Input High Voltage
3.6V 3.6V
Output Voltage
-2.0=mA
Output High Voltage
-100
4.5V 5.5V IPP1(2) Input Load Current Output Leakage Current
VOUT ISB1 (CMOS), 0.3V ISB2 (TTL), 0.5V MHz, IOUT -0.6 -400
Read/Standby Current
Standby Current Active Current Input Voltage Input High Voltage Output Voltage Output High Voltage
Notes:
must applied simultaneously with before VPP, removed simultaneously with after VPP. connected directly VCC, expect during programming. supply current would then IPP.
AT27BV020
AT27BV020
Characteristics Read Operation
2.7V 3.6V 4.5V 5.5V
AT27BV020 Symbol tACC
Units
Parameter Address Output Delay Output Delay Output Delay High Output Float, whichever occurred first
Condition
tCE(2)
(2)(3)
tDF(4)(5) Note:
Output Hold from Address, whichever occurred first 2,3,4,5. Waveforms Read Operation".
Waveforms Read Operation(1)
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.
Input Test Waveform Measurement Level
Output Test Load
(10% 90%) 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.
AT27BV020
AT27BV020
Programming Waveforms(1)
Notes:
Input Timing Reference 0.8V 2.0V VIH. tDFP characteristics device must accommodated programmer. When programming AT27BV020 capacitor required across ground suppress spurious voltage transients.
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=µA 12.5 Test Conditions VIL,VIH -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(3) Setup Time Setup Time Program Pulse Width Data Valid from Pulse Rise Time During Programming
Test Conditions
Units
Input Rise Fall Times: (10% 90%) 20ns Input Pulse Levels: 0.45V 2.4V Input Timing Reference Level: 0.8V 2.0V Output 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 -see timing diagram. Program Pulse width tolerance µsec
Atmel's 27BV020 Integrated Product Identification Code(1)
Pins Codes Manufacturer Device Type Note: Data
AT27BV020 same Product Identification Code AT27C020. Both programming compatible.
AT27BV020
AT27BV020
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.
Ordering Information
(mA) 3.6V tACC (ns) Active Standby 0.02 Ordering Code AT27BV020-90JC AT27BV020-90TC AT27BV020-90VC AT27BV020-90JI AT27BV020-90TI AT27BV020-90VI AT27BV020-12JC AT27BV020-12TC AT27BV020-12VC AT27BV020-12JI AT27BV020-12TI AT27BV020-12VI AT27BV020-15JC AT27BV020-15TC AT27BV020-15VC AT27BV020-15JI AT27BV020-15TI AT27BV020-15VI Package Operation Range Commercial (0°C 70°C) Industrial (-40°C 85°C) Commercial (0°C 70°C) Industrial (-40°C 85°C) Commercial (0°C 70°C) Industrial (-40°C 85°C)
0.02
0.02
0.02
0.02
0.02
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)
AT27BV020
AT27BV020
Packaging Information
32J, 32-lead, Plastic J-leaded Chip Carrier (PLCC) Dimensions Inches (Millimeters)
JEDEC STANDARD MS-016
32T, 32-lead, Plastic Thin Small Outline Package (TSOP) Dimensions Millimeters (Inches)*
JEDEC OUTLINE MO-142
.045(1.14) IDENTIFY .025(.635) .012(.305) .008(.203) .530(13.5) .490(12.4) .021(.533) .013(.330) .030(.762) .015(.381) .095(2.41) .060(1.52) .140(3.56) .120(3.05)
INDEX MARK
.032(.813) .026(.660)
.553(14.0) .547(13.9) .595(15.1) .585(14.9)
18.5(.728) 18.3(.720)
20.2(.795) 19.8(.780)
.050(1.27)
.300(7.62) .430(10.9) .390(9.90) CONTACT POINTS
0.50(.020)
7.50(.295) 8.20(.323) 7.80(.307)
0.25(.010) 0.15(.006)
1.20(.047)
.022(.559) (3X) .453(11.5) .447(11.4) .495(12.6) .485(12.3)
0.15(.006) 0.05(.002) 0.20(.008) 0.10(.004) 0.70(.028) 0.50(.020)
*Controlling dimension: millimeters 32V, 32-lead, Plastic Thin Small Outline Package (TSOP) Dimensions Millimeters (Inches)
INDEX MARK
12.5(.492) 12.3(.484)
14.2(.559) 13.8(.543)
0.50(.020)
7.50(.295) 8.10(.319) 7.90(.311)
0.25(.010) 0.15(.006)
1.20(.047)
0.15(.006) 0.05(.002) 0.20(.008) 0.10(.004) 0.70(.028) 0.50(.020)
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0902D-04/01/xM

Unregulated Battery Power Supply Range, 2.7V 3.6V Standard Supply Rang

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