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AT27BV256-90RC Datasheet

  • AT27BV256-90RC

  • 256K 32K x 8 Unregulated Battery-Voltage High Speed OTP CMOS...

  • 9頁

  • ATMEL   ATMEL

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AT27BV256
Features
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Fast Read Access Time - 70 ns
Dual Voltage Range Operation
Unregulated Battery Power Supply Range, 2.7V to 3.6V
or Standard 5V
鹵
10% Supply Range
Pin Compatible with JEDEC Standard AT27C256
Low Power CMOS Operation
20
碌A(chǔ)
max. (less than 1
碌A(chǔ)
typical) Standby for V
CC
= 3.6V
29 mW max. Active at 5 MHz for V
CC
= 3.6V
JEDEC Standard Surface Mount 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
鈩?/div>
Programming Algorithm - 100
碌s/byte
(typical)
CMOS and TTL Compatible Inputs and Outputs
JEDEC Standard for LVTTL and LVBO
Integrated Product Identification Code
Commercial and Industrial Temperature Ranges
Description
The AT27BV256 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 2.7V to 3.6V in normal read mode operation,
making it ideal for fast, portable systems using either regulated or unregulated battery
power.
256K (32K x 8)
Unregulated
Battery-Voltage
鈩?/div>
High Speed
OTP
CMOS EPROM
Atmel鈥檚 innovative design techniques provide fast speeds that rival 5V parts while
keeping the low power consumption of a 3V supply. At V
CC
= 2.7V, any word can be
accessed in less than 70 ns. With a typical power dissipation of only 18 mW at 5 MHz
and V
CC
= 3V, the AT27BV256 consumes less than one fifth the power of a standard
5V EPROM.
(continued)
AT27BV256
Pin Configurations
Pin Name
A0 - A14
O0 - O7
CE
OE
NC
Function
Addresses
Outputs
Chip Enable
Output Enable
No Connect
SOIC Top View
PLCC Top View
TSOP Top View
Type 1
Note: PLCC Package Pins 1
and 17 are DON鈥橳 CONNECT.
0601A
3-3

AT27BV256-90RC 產(chǎn)品屬性

  • 26

  • 集成電路 (IC)

  • 存儲器

  • -

  • EPROMs

  • EPROM OTP

  • 256K (32K x 8)

  • 90ns

  • 并聯(lián)

  • 2.7 V ~ 3.6 V，4.5 V ~ 5.5 V

  • 0°C ~ 70°C

  • 28-SOIC（0.342"，8.69mm 寬）

  • 28-SOIC W

  • 管件

  • AT27BV25690RC

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