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CAT24WC256L3TE13

Description
256K-Bit I2C Serial CMOS EEPROM
File Size405KB,10 Pages
ManufacturerCatalyst
Websitehttp://www.catalyst-semiconductor.com/
Download Datasheet View All

CAT24WC256L3TE13 Overview

256K-Bit I2C Serial CMOS EEPROM

CAT24WC256
256K-Bit I
2
C Serial CMOS EEPROM
(CAT24WC256 not recommended for new designs. See CAT24FC256 data sheet.)
H
GEN
FR
ALO
EE
LE
A
D
F
R
E
E
TM
FEATURES
I
1MHz I
2
C bus compatible*
I
1.8 to 6 volt operation
I
Low power CMOS technology
I
64-byte page write buffer
I
Self-timed write cycle with auto-clear
I
Commercial, industrial and automotive
I
Write protect feature
– entire array protected when WP at V
IH
I
100,000 program/erase cycles
I
100 year data retention
I
8-pin DIP or 8-pin SOIC
I
"Green" package options available
temperature ranges
DESCRIPTION
The CAT24WC256 is a 256K-bit Serial CMOS EEPROM
internally organized as 32,768 words of 8 bits each.
Catalyst’s advanced CMOS technology substantially
reduces device power requirements. The CAT24WC256
features a 64-byte page write buffer. The device oper-
ates via the I
2
C bus serial interface and is available in 8-
pin DIP or 8-pin SOIC packages.
PIN CONFIGURATION
DIP Package (P, L)
A0
A1
NC
VSS
1
2
3
4
8
7
6
5
VCC
WP
SCL
SDA
BLOCK DIAGRAM
EXTERNAL LOAD
DOUT
ACK
VCC
VSS
WORD ADDRESS
BUFFERS
COLUMN
DECODERS
512
SENSE AMPS
SHIFT REGISTERS
SOIC Package (J, W, K, X)
A0
A1
NC
VSS
1
2
3
4
8
7
6
5
VCC
WP
SCL
SDA
SDA
START/STOP
LOGIC
XDEC
WP
CONTROL
LOGIC
512
EEPROM
512X512
PIN FUNCTIONS
Pin Name
A0, A1
SDA
SCL
WP
V
CC
V
SS
NC
Function
Address Inputs
Serial Data/Address
Serial Clock
Write Protect
SCL
STATE COUNTERS
SLAVE
ADDRESS
COMPARATORS
HIGH VOLTAGE/
TIMING CONTROL
DATA IN STORAGE
+1.8V to +6.0V Power Supply
Ground
No Connect
A0
A1
* Catalyst Semiconductor is licensed by Philips Corporation to carry the I
2
C Bus Protocol.
© 2004 by Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
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