AT24C512BW-SH25-B datasheet(1/26 Pages) ATMEL

Part #	AT24C512BW-SH25-B

Description	Two-wire Serial EEPROM 512K (65,536 x 8)

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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

– 1.8v (VCC = 1.8V to 3.6V)

– 2.5v (V

CC = 2.5V to 5.5V)

• Internally Organized 65,536 x 8

• Two-wire Serial Interface

• Schmitt Triggers, Filtered Inputs for Noise Suppression

• Bidirectional Data Transfer Protocol

• 1 MHz (2.5V, 5.5V), 400 kHz (1.8V) Compatibility

• Write Protect Pin for Hardware and Software Data Protection

• 128-byte Page Write Mode (Partial Page Writes Allowed)

• Self-timed Write Cycle (5 ms Max)

• High Reliability

– Endurance: 1,000,000 Write Cycles

– Data Retention: 40 Years

• Lead-free/Halogen-free Devices

• 8-lead PDIP, 8-lead JEDEC SOIC, 8-lead EIAJ SOIC, 8-lead TSSOP, 8-ball dBGA2, and

8-lead Ultra Thin Small Array (SAP) Packages

• Die Sales: Wafer Form, Waffle Pack and Bumped Die

Description

The AT24C512B provides 524,288 bits of serial electrically erasable and programma-

ble read only memory (EEPROM) organized as 65,536 words of 8 bits each. The

device’s cascadable feature allows up to eight devices to share a common two-wire

bus. The device is optimized for use in many industrial and commercial applications

where low-power and low-voltage operation are essential. The devices are available

in space-saving 8-pin PDIP, 8-lead JEDEC SOIC, 8-lead EIAJ SOIC, 8-lead TSSOP,

8-ball dBGA2 and 8-lead Ultra Thin SAP packages. In addition, the entire family is

available in 1.8V (1.8V to 3.6V) and 2.5V (2.5V to 5.5V) versions.

Table 0-1.

Pin Configurations

Pin Name

Function

A0–A2

Address Inputs

SDA

Serial Data

SCL

Serial Clock Input

WP

Write Protect

Rev. 5297A–SEEPR–1/08

Two-wire Serial

EEPROM

512K (65,536 x 8)

AT24C512B

with Three Device Address Inputs

8-lead PDIP

1

2

3

4

8

7

6

5

A0

A1

A2

GND

VCC

WP

SCL

SDA

8-lead TSSOP

1

2

3

4

8

7

6

5

A0

A1

A2

GND

VCC

WP

SCL

SDA

8-lead Ultra Thin SAP

Bottom View

1

2

3

4

8

7

6

5

VCC

WP

SCL

SDA

A0

A1

A2

GND

8-lead SOIC

1

2

3

4

8

7

6

5

A0

A1

A2

GND

VCC

WP

SCL

SDA

8-ball dBGA2

Bottom View

1

2

3

4

8

7

6

5

VCC

WP

SCL

SDA

A0

A1

A2

GND

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