Datasheet > AT93C46B-10SI-2.5

AT93C46B-10SI-2.5

更新时间： 2024-11-26 22:15:27

品牌	Logo	应用领域
爱特美尔 - ATMEL		可编程只读存储器
页数	文件大小	规格书
10页	146K
描述
3-Wire Serial E2PROMs

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数据手册

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AT93C46B

Features

• x16 Organization Utilizing “No Connects” for Pins 6 and 7

• 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 Cycles

– Data Retention: 100 Years

• Automotive Grade and Extended Temperature Devices Available

• 8-Pin PDIP and JEDEC SOIC Packages

3-Wire

Serial

E²PROMs

1K (64 x 16)

Description

The AT93C46B 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 AT93C46B is available in space saving 8-pin

PDIP and 8-pin JEDEC packages.

AT93C46B

The AT93C46B 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.

The AT93C46B is available in 4.5V to 5.5V, 2.7V to 5.5V, and 2.5V to 5.5V versions.

Pin Configuration

8-Pin PDIP

Pin Name

Function

Chip Select

VCC

Serial Data Clock

Serial Data Input

Serial Data Output

Ground

GND

V_CC

Power Supply

No Connect

8-Pin SOIC

VCC

GND

0917A-A–11/97

12 3 4 5 6 7...10

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