CAT24C64
FEATURES
64-Kb I
2
C CMOS Serial EEPROM
DEVICE DESCRIPTION
The CAT24C64 is a 64-Kb CMOS Serial EEPROM
devices, internally organized as 128 pages of 64 bytes
each.
It features a 32-byte page write buffer and supports
both the Standard (100 kHz) as well as Fast (400 kHz)
I
2
C protocol.
External address pins make it possible to address up to
eight CAT24C64 devices on the same bus.
■
Supports Standard and Fast I
2
C Protocol
■
1.8 V to 5.5 V Supply Voltage Range
■
32-Byte Page Write Buffer
(1)
■
Hardware Write Protection for entire memory
■
Schmitt Triggers and Noise Suppression Filters
on I
2
C Bus Inputs (SCL and SDA).
■
Low power CMOS technology
■
1,000,000 program/erase cycles
■
100 year data retention
■
Industrial temperature range
■
RoHS-compliant 8-pin PDIP, SOIC, TSSOP and
TDFN packages
Note:
(1) CAT24C64 Rev. D (Not Recommended for New Designs) has
64-Byte Page Write Buffer.
PIN CONFIGURATION
PDIP (L)
SOIC (W)
TSSOP (Y)
TDFN (ZD2, VP2)
A0
A1
A2
VSS
1
2
3
4
8
7
6
5
VCC
WP
SCL
SDA
FUNCTIONAL SYMBOL
VCC
SCL
A2, A1, A0
WP
CAT24C64
SDA
For the location of Pin 1, please consult the
corresponding package drawing.
PIN FUNCTIONS
A
0
, A
1
, A
2
SDA
SCL
WP
V
CC
V
SS
Device Address
Serial Data
Serial Clock
Write Protect
Power Supply
Ground
VSS
* The Green & Gold seal identifies RoHS-compliant packaging, using NiPdAu
pre-plated lead frames.
© 2007 by Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
1
Doc. No. 1102, Rev. H
CATALYST [ CATALYST SEMICONDUCTOR ]
