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AT27LV256A-12TC

Description
256K 32K x 8 Low Voltage OTP CMOS EPROM
Categorystorage    storage   
File Size155KB,9 Pages
ManufacturerAtmel (Microchip)
Download Datasheet Parametric View All

AT27LV256A-12TC Overview

256K 32K x 8 Low Voltage OTP CMOS EPROM

AT27LV256A-12TC Parametric

Parameter NameAttribute value
Is it Rohs certified?incompatible
MakerAtmel (Microchip)
Parts packaging codeTSOP
package instructionTSOP1, TSSOP28,.53,22
Contacts28
Reach Compliance Codecompli
ECCN codeEAR99
Maximum access time120 ns
Other featuresOPERATES ALSO AT 5V SUPPLY
I/O typeCOMMON
JESD-30 codeR-PDSO-G28
JESD-609 codee0
length11.8 mm
memory density262144 bi
Memory IC TypeOTP ROM
memory width8
Humidity sensitivity level3
Number of functions1
Number of terminals28
word count32768 words
character code32000
Operating modeASYNCHRONOUS
Maximum operating temperature70 °C
Minimum operating temperature
organize32KX8
Output characteristics3-STATE
Package body materialPLASTIC/EPOXY
encapsulated codeTSOP1
Encapsulate equivalent codeTSSOP28,.53,22
Package shapeRECTANGULAR
Package formSMALL OUTLINE, THIN PROFILE
Parallel/SerialPARALLEL
power supply3.3/5 V
Programming voltage13 V
Certification statusNot Qualified
Maximum seat height1.2 mm
Maximum standby current0.00002 A
Maximum slew rate0.02 mA
Maximum supply voltage (Vsup)3.6 V
Minimum supply voltage (Vsup)3 V
Nominal supply voltage (Vsup)3.3 V
surface mountYES
technologyCMOS
Temperature levelCOMMERCIAL
Terminal surfaceTin/Lead (Sn/Pb)
Terminal formGULL WING
Terminal pitch0.55 mm
Terminal locationDUAL
width8 mm
AT27LV256A
Features
Fast Read Access Time - 70 ns
Dual Voltage Range Operation
Low Voltage Power Supply Range, 3.0V to 3.6V
or Standard 5V
±
10% Supply Range
Pin Compatible with JEDEC Standard AT27C256
Low Power CMOS Operation
20
µA
max. (less than 1
µA
typical) Standby for V
CC
= 3.6V
29 mW max. Active at 5 MHz for V
CC
= 3.6V
JEDEC Standard Packages
32-Lead PLCC
28-Lead 330-mil SOIC
28-Lead TSOP
High Reliability CMOS Technology
2,000V ESD Protection
200 mA Latchup Immunity
Rapid
Programming Algorithm - 100
µs/byte
(typical)
CMOS and TTL Compatible Inputs and Outputs
JEDEC Standard for LVTTL
Integrated Product Identification Code
Commercial and Industrial Temperature Ranges
256K (32K x 8)
Low Voltage
OTP
CMOS EPROM
Description
The AT27LV256A is a high performance, low power, low voltage 262,144 bit one-time
programmable read only memory (OTP EPROM) organized as 32K by 8 bits. It re-
quires only one supply in the range of 3.0V to 3.6V in normal read mode operation,
making it ideal for fast, portable systems using battery power.
Atmel’s innovative design techniques provide fast speeds that rival 5V parts while
keeping the low power consumption of a 3.3V supply. At V
CC
= 3.0V, any byte can be
accessed in less than 70 ns. With a typical power dissipation of only 18 mW at 5 MHz
and V
CC
= 3.3V, the AT27LV256A consumes less than one fifth the power of a stand-
ard 5V EPROM.
(continued)
Pin Configurations
Pin Name
A0 - A14
O0 - O7
CE
OE
NC
Function
Addresses
Outputs
Chip Enable
Output Enable
No Connect
AT27LV256A
SOIC Top View
PLCC Top View
TSOP Top View
Type 1
Note:PLCC Package Pins 1 and 17
are DON’T CONNECT.
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