AT93C56A-10TU-2.7 datasheet(1/18 Pages) ATMEL

Part #	AT93C56A-10TU-2.7

Description	3-wire Serial EEPROMs 2K (256 x 8 or 128 x 16)

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Manufacturer	ATMEL [ATMEL Corporation]

Direct Link	http://www.atmel.com

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Features

• Low-voltage and Standard-voltage Operation

–2.7 (VCC = 2.7V to 5.5V)

–1.8 (V

CC = 1.8V to 5.5V)

• User-selectable Internal Organization

– 2K: 256 x 8 or 128 x 16

– 4K: 512 x 8 or 256 x 16

• 3-wire Serial Interface

• Sequential Read Operation

• 2 MHz Clock Rate (5V)

• Self-timed Write Cycle (10 ms Max)

• High Reliability

– Endurance: 1 Million Write Cycles

– Data Retention: 100 Years

• Automotive Grade, Extended Temperature, and Lead-free/Halogen-free

Devices Available

• 8-lead PDIP, 8-lead JEDEC SOIC, 8-lead EIAJ SOIC, 8-lead MAP, 8-lead TSSOP,

and 8-ball dBGA2

™ Packages

Description

The AT93C56A/66A provides 2048/4096 bits of serial electrically erasable program-

mable read-only memory (EEPROM) organized as 128/256 words of 16 bits each

when the ORG pin is connected to VCC and 256/512 words of 8 bits each when it is

tied to ground. The device is optimized for use in many industrial and commercial

applications where low-power and low-voltage operations are essential. The

AT93C56A/66A is available in space-saving 8-lead PDIP, 8-lead JEDEC SOIC, 8-lead

EIAJ SOIC, 8-lead MAP, 8-lead TSSOP, and 8-ball dBGA2™ packages.

3-wire Serial

EEPROMs

2K (256 x 8 or 128 x 16)

4K (512 x 8 or 256 x 16)

AT93C56A

AT93C66A

Advance

Information

Rev. 3378F–SEEPR–04/04

Pin Configurations

Pin Name

Function

CS

Chip Select

SK

Serial Data Clock

DI

Serial Data Input

DO

Serial Data Output

GND

Ground

VCC

Power Supply

ORG

Internal Organization

DC

Don’t Connect

8-lead PDIP

1

2

3

4

8

7

6

5

CS

SK

DI

DO

VCC

DC

ORG

GND

8-lead SOIC

1

2

3

4

8

7

6

5

CS

SK

DI

DO

VCC

DC

ORG

GND

8-lead TSSOP

1

2

3

4

8

7

6

5

CS

SK

DI

DO

VCC

DC

ORG

GND

8-lead MAP

Bottom View

1

2

3

4

8

7

6

5

VCC

DC

ORG

GND

CS

SK

DI

DO

8-ball dBGA2

Bottom View

VCC

DC

ORG

GND

CS

SK

DI

DO

1

2

3

4

8

7

6

5

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AT93C56A-10TU-2.7 Datasheet(PDF) 1 Page - ATMEL Corporation

AT93C56A-10TU-2.7 Datasheet(HTML) 1 Page - ATMEL Corporation

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