Datasheet > AT93C46A-10TC-2.7

AT93C46A-10TC-2.7

更新时间： 2024-09-07 22:15:27

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
11页	147K
描述
3-Wire Serial EEPROM 1K (64 x 16)

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数据手册

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AT93C46A-10TC-2.7 数据手册

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Features

• Low-Voltage and Standard-Voltage Operation

– 5.0 (V_CC= 4.5V to 5.5V)

– 2.7 (V_CC= 2.7V to 5.5V)

– 2.5 (V_CC= 2.5V to 5.5V)

• 3-Wire Serial Interface

• 2 MHz Clock Rate (5V) Compatibility

• Self-Timed Write Cycle (10 ms max)

• High Reliability

– Endurance: 1 Million Write Cycles

– Data Retention: 100 Years

– ESD Protection: > 4,000V

• Automotive Grade and Extended Temperature Devices Available

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

3-Wire

Serial EEPROM

1K (64 x 16)

Description

The AT93C46A provides 1024 bits of serial electrically erasable programmable read

only memory (EEPROM) organized as 64 words of 16 bits each. The device is opti-

mized for use in many industrial and commercial applications where low power and

low voltage operation are essential. The AT93C46A is available in space saving 8-pin

PDIP, 8-pin JEDEC, and 8-Pin TSSOP packages.

AT93C46A

The AT93C46A is enabled through the Chip Select pin (CS), and accessed via a 3-

wire serial interface consisting of Data Input (DI), Data Output (DO), and Shift Clock

(SK). Upon receiving a READ instruction at DI, the address is decoded and the data is

clocked out serially on the data output pin DO. The WRITE cycle is completely self-

timed and no separate ERASE cycle is required before WRITE. The WRITE cycle is

only enabled when the part is in the ERASE/WRITE ENABLE state. When CS is

brought “high” following the initiation of a WRITE cycle, the DO pin outputs the

READY/BUSY status of the part.

8-Pin PDIP

Pin Configurations

Pin Name Function

VCC

Chip Select

3-Wire, 1K

Serial E²PROM

Serial Data Clock

Serial Data Input

Serial Data Output

Ground

GND

8-Pin SOIC

GND

VCC

Power Supply

No Connect

GND

Don’t Connect

8-Pin TSSOP

VCC

GND

Rev. 0539C–07/98

12 3 4 5 6 7...11

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