Datasheet > AT27C256R-15TI

AT27C256R-15TI

更新时间： 2024-11-15 23:32:11

品牌	Logo	应用领域
其他 - ETC		内存集成电路光电二极管异步传输模式 ATM 可编程只读存储器 OTP只读存储器电动程控只读存储器
页数	文件大小	规格书
12页	174K
描述
x8 EPROM

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中文翻译

获取价格

数据手册

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AT27C256R-15TI 数据手册

Features

• Fast Read Access Time - 45 ns

• Low-Power CMOS Operation

– 100 µA max. Standby

– 20 mA max. Active at 5 MHz

• JEDEC Standard Packages

– 28-Lead 600-mil PDIP

– 32-Lead PLCC

– 28-Lead TSOP and SOIC

• 5V ± 10% Supply

• High Reliability CMOS Technology

– 2,000V ESD Protection

256K (32K x 8)

OTP EPROM

– 200 mA Latchup Immunity

• Rapid^™Programming Algorithm - 100 µs/byte (typical)

• CMOS and TTL Compatible Inputs and Outputs

• Integrated Product Identification Code

• Commercial, Industrial and Automotive Temperature Ranges

AT27C256R

Description

The AT27C256R is a low-power, high-performance 262,144-bit one-time programma-

ble read only memory (OTP EPROM) organized 32K by 8 bits. It requires only one 5V

power supply in normal read mode operation. Any byte can be accessed in less than

45 ns, eliminating the need for speed reducing WAIT states on high-performance

microprocessor systems.

Atmel’s scaled CMOS technology provides low-active power consumption, and fast

programming. Power consumption is typically only 8 mA in Active Mode and less than

10 µA in Standby.

(continued)

PDIP, SOIC Top View

Pin Configurations

VPP

A12

28 VCC

27 A14

26 A13

25 A8

24 A9

23 A11

22 OE

21 A10

20 CE

19 O7

18 O6

17 O5

16 O4

15 O3

Pin Name

A0 to A14

O0 - O7

Function

Addresses

Outputs

Chip Enable

Output Enable

No Connect

A0 10

O0 11

O1 12

O2 13

GND 14

256K EPROM

PLCC Top View

TSOP Top View

Type 1

29 A8

28 A9

27 A11

26 NC

25 OE

24 A10

23 CE

22 O7

21 O6

A11

A10

GND

A1 10

A0 11

NC 12

O0 13

A13

A14

VCC

VPP

A12

Rev. 0014H–07/98

Note:

PLCC Package Pins 1 and

17 are DON’T CONNECT.

12 3 4 5 6 7...12

中文翻译

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AT27C256R-15TIT/R	ATMEL	获取价格	OTP ROM, 32KX8, 150ns, CMOS, PDSO28, PLASTIC, TSOP-28
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AT27C256R-17JI	ETC	获取价格	x8 EPROM
AT27C256R-17JIT/R	ATMEL	获取价格	OTP ROM, 32KX8, 170ns, CMOS, PQCC32, PLASTIC, LCC-32
AT27C256R-17KC	ETC	获取价格	x8 EPROM