CAT28C256GI-15

更新时间： 2024-10-27 13:00:11

品牌	Logo	应用领域
CATALYST		内存集成电路 PC 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
12页	526K
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中文翻译

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数据手册
替代型号

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CAT28C256GI-15 数据手册

CAT28C256

256K-Bit Parallel EEPROM

FEATURES

■ Hardware and software write protection

■ Fast read access times: 120/150ns

■ Automatic page write operation:

–1 to 64 bytes in 5ms

■ Low power CMOS dissipation:

–Active: 25 mA max

–Page load timer

–Standby: 150 µA max

■ End of write detection:

–Toggle bit

■ Simple write operation:

–On-chip address and data latches

–Self-timed write cycle with auto-clear

–DATA polling

■ 100,000 program/erase cycles

■ 100 year data retention

■ Fast write cycle time:

–5ms max

■ CMOS and TTL compatible I/O

■ Commerical, industrial and automotive

temperature ranges

DESCRIPTION

The CAT28C256 is a fast, low power, 5V-only CMOS

parallel EEPROM organized as 32K x 8-bits. It requires a

simple interface for in-system programming. On-chip

addressanddatalatches,self-timedwritecyclewithauto-

clear and V_CCpower up/down write protection eliminate

additional timing and protection hardware. DATA Polling

and Toggle status bits signal the start and end of the self-

timed write cycle. Additionally, the CAT28C256 features

hardware and software write protection.

The CAT28C256 is manufactured using Catalyst’s ad-

vancedCMOSfloatinggatetechnology. Itisdesignedto

endure 100,000 program/erase cycles and has a data

retention of 100 years. The device is available in JEDEC

approved 28-pin DIP, 28-pin TSOP or 32-pin PLCC

packages.

BLOCK DIAGRAM

32,768 x 8

EEPROM

ARRAY

ROW

DECODER

ADDR. BUFFER

A –A

& LATCHES

INADVERTENT

WRITE

PROTECTION

HIGH VOLTAGE

GENERATOR

64 BYTE PAGE

CONTROL

LOGIC

I/O BUFFERS

DATA POLLING

AND

TIMER

TOGGLE BIT

I/O –I/O

ADDR. BUFFER

& LATCHES

A –A

COLUMN

DECODER

Doc. No. 1004, Rev. D

Characteristics subject to change without notice

12 3 4 5 6 7...12

中文翻译

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CAT28C256GI-15 替代型号

型号	品牌	替代类型	描述	数据表
CAT28C256NI15	ONSEMI	功能相似	32KX8 EEPROM 5V, 150ns, PQCC32, PLASTIC, LCC-32

与CAT28C256GI-15相关器件

型号	品牌	获取价格	描述	数据表
CAT28C256GI-15T	ONSEMI	获取价格	256 kb Parallel EEPROM
CAT28C256GI-15T	CATALYST	获取价格	256K-Bit Parallel EEPROM
CAT28C256GI-15TE13	CATALYST	获取价格	EEPROM, 32KX8, 150ns, Parallel, CMOS, PQCC32, PLASTIC, LCC-32
CAT28C256GI-15TE13	ONSEMI	获取价格	IC 32K X 8 EEPROM 5V, 150 ns, PQCC32, PLASTIC, LCC-32, Programmable ROM
CAT28C256GI-15TE7	ONSEMI	获取价格	32KX8 EEPROM 5V, 150ns, PQCC32, PLASTIC, LCC-32
CAT28C256GIA-12T	ONSEMI	获取价格	256 kb Parallel EEPROM
CAT28C256GIA-15T	ONSEMI	获取价格	256 kb Parallel EEPROM
CAT28C256H13112	ONSEMI	获取价格	256 kb Parallel EEPROM
CAT28C256H13115	ONSEMI	获取价格	256 kb Parallel EEPROM
CAT28C256H1312T	ONSEMI	获取价格	32KX8 EEPROM 5V, 120ns, PDSO28, 8 X 13.40 MM, HALOGEN AND LEAD FREE, TSOP-28

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