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© 2006 by Catalyst Semiconductor, Inc.

Characteristics subject to change without notice

Doc. No. 1118, Rev. A

CAT24C164

16-Kb CMOS Serial EEPROM, Cascadable

PIN CONFIGURATION

FUNCTIONAL SYMBOL

FEATURES

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1.8 V to 5.5 V Supply Voltage Range

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16-Byte Page Write Buffer

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Hardware Write Protection for entire memory

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Schmitt Triggers and Noise Suppression Filters

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Low power CMOS technology

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1,000,000 program/erase cycles

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100 year data retention

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Industrial temperature range

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RoHS-compliant 8-lead PDIP, SOIC, TSSOP and

8-pad TDFN packages.

PDIP (L)

SOIC (W)

TSSOP (Y)

TDFN (VP2)

VCC

VSS

SDA

SCL

WP

CAT24C164

A2, A1, A0

DEVICE DESCRIPTION

The CAT24C164 is a 16-Kb CMOS cascadable Serial

EEPROM device organized internally as 128 pages of

16 bytes each, for a total of 2048x8 bits. The device

supports both the Standard (100 kHz) as well as Fast

Data is written by providing a starting address, then

loading 1 to 16 contiguous bytes into a Page Write

Buffer, and then writing all data to non-volatile memory

in one internal write cycle. Data is read by providing a

starting address and then shifting out data serially while

automatically incrementing the internal address count.

External address pins make it possible to address

up to eight CAT24C164 devices on the same bus.

8

7

6

5

VCC

WP

SCL

SDA

A2

A0

A1

VSS

1

2

3

4

For the location of Pin 1, please consult the corresponding package drawing.

PIN FUNCTIONS

Device Address Inputs

SDA

Serial Data Input/Output

SCL

Serial Clock Input

WP

Write Protect Input

Power Supply

Ground

For Ordering Information details, see page 15.