CAT24C01/02/04/08/16
1-Kb, 2-Kb, 4-Kb, 8-Kb and 16-Kb CMOS Serial EEPROM
FEATURES
DEVICE DESCRIPTION
■ Supports Standard and Fast I2C Protocol
■ 1.8 V to 5.5 V Supply Voltage Range
■ 16-Byte Page Write Buffer
The CAT24C01/02/04/08/16 are 1-Kb, 2-Kb, 4-Kb,
8-Kb and 16-Kb respectively CMOS Serial EEPROM
devices organized internally as 8/16/32/64 and 128
pages respectively of 16 bytes each.All devices support
both the Standard (100 kHz) as well as Fast (400 kHz)
I2C protocol.
■ Hardware Write Protection for entire memory
■ Schmitt Triggers and Noise Suppression Filters
on I2C Bus Inputs (SCL and SDA).
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.
■ Low power CMOS technology
■ 1,000,000 program/erase cycles
■ 100 year data retention
■ Industrial temperature range
External address pins make it possible to address
up to eight CAT24C01 or CAT24C02, four CAT24C04,
two CAT24C08 and one CAT24C16 device on the
same bus.
■ RoHS-compliant 8-lead PDIP, SOIC, MSOP
and TSSOP, 8-pad TDFN and 5-lead TSOT-23
packages.
For Ordering Information details, see page 16.
PIN CONFIGURATION
FUNCTIONAL SYMBOL
PDIP (L)
SOIC (W)
TSSOP (Y)
MSOP (Z)
V
CC
TDFN (VP2)
TSOT-23 (TD)
CAT24C16 / 08 / 04 / 02 01
/
SCL
1
2
3
5
WP
NC / NC / NC / A
A
A
A
1
2
3
4
8
7
6
5
V
CC
0 /
1 /
2 /
0
1
2
SCL
NC / NC / A / A
1
WP
V
SS
NC / A / A / A
SCL
SDA
2
2
A , A , A
CAT24Cxx
SDA
2
1
0
SDA
4
V
V
CC
SS
WP
For the location of Pin 1, please consult the corresponding package drawing.
PIN FUNCTIONS
V
SS
A0, A1, A2
SDA
SCL
WP
Device Address Inputs
Serial Data Input/Output
Serial Clock Input
Write Protect Input
Power Supply
VCC
VSS
Ground
NC
No Connect
* Catalyst carries the I2C protocol under a license from the Philips Corporation.
© 2007 by Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
Doc. No. MD-1115, Rev. D
1