Datasheet > AT93C46A-10PA-2.7C

AT93C46A-10PA-2.7C

更新时间： 2024-11-25 03:07:15

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光电二极管
页数	文件大小	规格书
13页	325K
描述
EEPROM, 64X16, Serial, CMOS, PDIP8, 0.300 INCH, PLASTIC, MS-001BA, DIP-8

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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)

• Three-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

• Lead-free/Halogen-free Devices Available

• 8-lead PDIP and 8-lead JEDEC SOIC Packages

Three-wire

Automotive

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 automotive applications where low-power and low-voltage

operation are essential. The AT93C46A is available in space-saving 8-lead PDIP and

8-lead JEDEC SOIC packages.

AT93C46A

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

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 read/busy status of the part.

The AT93C46A is available in 4.5V to 5.5V and 2.7V to 5.5V versions.

Table 1. Pin Configurations

8-lead PDIP

Pin Name

Function

Chip Select

VCC

Serial Data Clock

Serial Data Input

Serial Data Output

Ground

GND

VCC

Power Supply

8-lead SOIC

VCC

GND

Rev. 3450B–SEEPR–10/04

12 3 4 5 6 7...13

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