Datasheet > AT28HC256-90TC

AT28HC256-90TC

更新时间： 2024-11-22 23:32:31

品牌	Logo	应用领域
其他 - ETC		可编程只读存储器电动程控只读存储器电可擦编程只读存储器
页数	文件大小	规格书
16页	432K
描述
x8 EEPROM

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中文翻译

获取价格

数据手册

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AT28HC256-90TC 数据手册

Features

• Fast Read Access Time – 70 ns

• Automatic Page Write Operation

– Internal Address and Data Latches for 64 Bytes

– Internal Control Timer

• Fast Write Cycle Times

– Page Write Cycle Time: 3 ms or 10 ms Maximum

– 1 to 64-byte Page Write Operation

• Low Power Dissipation

– 80 mA Active Current

– 3 mA Standby Current

256 (32K x 8)

High-speed

Parallel

• Hardware and Software Data Protection

• DATA Polling for End of Write Detection

• High Reliability CMOS Technology

– Endurance: 10⁴or 10⁵Cycles

– Data Retention: 10 Years

• Single 5V 10% Supply

• CMOS and TTL Compatible Inputs and Outputs

• JEDEC Approved Byte-wide Pinout

• Full Military, Commercial, and Industrial Temperature Ranges

EEPROM

AT28HC256

Description

The AT28HC256 is a high-performance electrically erasable and programmable read

only memory. Its 256K of memory is organized as 32,768 words by 8 bits. Manufac-

tured with Atmel’s advanced nonvolatile CMOS technology, the AT28HC256 offers

(continued)

Pin Configurations

TSOP

Top View

Pin Name

A0 - A14

Function

Addresses

A11

A10

Chip Enable

Output Enable

Write Enable

Data Inputs/Outputs

No Connect

I/O7

I/O6

I/O5

I/O4

I/O3

GND

I/O2

I/O1

I/O0

A13

VCC

A14

A12

I/O0 - I/O7

Don’t Connect

LCC, PLCC

Top View

CERDIP, PDIP, FLATPACK

Top View

PGA

Top View

A14

A12

28 VCC

27 WE

26 A13

25 A8

29 A8

28 A9

27 A11

26 NC

25 OE

24 A10

23 CE

22 I/O7

21 I/O6

24 A9

23 A11

22 OE

21 A10

20 CE

19 I/O7

18 I/O6

17 I/O5

16 I/O4

15 I/O3

A1 10

A0 11

A0 10

I/O0 11

I/O1 12

I/O2 13

GND 14

NC 12

I/O0 13

Rev. 0007I–12/99

Note: PLCC package pins 1 and

17 are DON’T CONNECT.

12 3 4 5 6 7...16

中文翻译

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与AT28HC256-90TC相关器件

型号	品牌	获取价格	描述	数据表
AT28HC256-90TI	ETC	获取价格	x8 EEPROM
AT28HC256-90TU	ATMEL	获取价格	EEPROM, 32KX8, 90ns, Parallel, CMOS, PDSO28, GREEN, PLASTIC, MO-183, TSOP1-28
AT28HC256-90UC	ATMEL	获取价格	EEPROM, 32KX8, 90ns, Parallel, CMOS, CPGA28, CERAMIC, PGA-28
AT28HC256-90UI	ATMEL	获取价格	EEPROM, 32KX8, 90ns, Parallel, CMOS, CPGA28, CERAMIC, PGA-28
AT28HC256-90UJ	ATMEL	获取价格	EEPROM, 32KX8, 90ns, Parallel, CMOS, CPGA28
AT28HC256-90UM/883	MICROCHIP	获取价格	IC EEPROM 256KBIT 90NS 28CPGA
AT28HC256-90UM/883	ATMEL	获取价格	256 32K x 8 High Speed Parallel EEPROMs
AT28HC256-DWF	ATMEL	获取价格	EEPROM, 120ns, Parallel, CMOS,
AT28HC256E	ATMEL	获取价格	256 32K x 8 High Speed Parallel EEPROMs
AT28HC256E-12DC	ETC	获取价格	x8 EEPROM