Datasheet > 存储 > EEPROM> AT25320

AT25320

更新时间： 2024-11-23 22:53:55

品牌	Logo	应用领域
爱特美尔 - ATMEL		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	175K
描述
SPI Serial EEPROMs

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中文翻译

获取价格

数据手册

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AT25320 数据手册

Features

• Serial Peripheral Interface (SPI) Compatible

• Supports SPI Modes 0 (0,0) and 3 (1,1)

• Low Voltage and Standard Voltage Operation

– 5.0 (V_CC= 4.5V to 5.5V)

– 2.7 (V_CC= 2.7V to 5.5V)

– 1.8 (V_CC= 1.8V to 3.6V)

• 2.1 MHz Clock Rate

• 32-Byte Page Mode

• Block Write Protection

– Protect 1/4, 1/2, or Entire Array

SPI Serial

EEPROMs

8K (1024 x 8)

16K (2048 x 8)

32K (4096 x 8)

64K (8192 x 8)

• Write Protect (WP) Pin and Write Disable Instructions for

Both Hardware and Software Data Protection

• Self-Timed Write Cycle (5 ms Typical)

• High Reliability

– Endurance: 1 Million Write Cycles

– Data Retention: 100 Years

– ESD Protection: >4000V

• Automotive Grade and Extended Temperature Devices Available

• 8-Pin PDIP, JEDEC SOIC, and 14-Pin and 20-Pin TSSOP Packages

Description

The AT25080/160/320/640 provides 8192/16384/32768/65536 bits of serial electri-

cally erasable programmable read only memory (EEPROM) organized as

1024/2048/4096/8192 words of 8 bits each. The device is optimized for use in many

industrial and commercial applications where low power and low voltage operation

AT25080

AT25160

AT25320

AT25640

(continued)

Pin Configuration

Pin Name

Function

8-Pin PDIP

8-Pin SOIC

Chip Select

VCC

HOLD

SCK

VCC

HOLD

SCK

Serial Data Clock

Serial Data Input

Serial Data Output

Ground

GND

V_CC

Power Supply

Write Protect

Suspends Serial Input

No Connect

14-Lead TSSOP

20-Lead TSSOP*

HOLD

VCC

HOLD

VCC

HOLD

Don’t Connect

GND

SCK

GND

SCK

Rev. 0675C–08/98

*Pins 3, 4 and 17, 18 are internally connected for 14-lead TSSOP socket compatibility.

12 3 4 5 6 7...16

中文翻译

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