CAT24WC129_04 Datasheet, PDF (1/9 Pages) Catalyst Semiconductor – 128K-Bit I2C Serial CMOS EEPROM

CAT24WC129
ALOGEN ^FR
128K-Bit I²C Serial CMOS EEPROM
FEATURES
LEA
D
F
R
E
E
TM
I 1MHz I²C Bus Compatible*
I Write Protect Feature
I 1.8 to 6 Volt Operation
I Low Power CMOS Technology
I 64-Byte Page Write Buffer
t ^{I Self-Timed Write Cycle with Auto-Clear}
r ^{I Commercial, Industrial and Automotive}
Temperature Ranges
a _DESCRIPTION
The CAT24WC129 is a 128K-bit Serial CMOS E²PROM
P _{internally organized as 16384 words of 8 bits each.}
Catalyst’s advanced CMOS technology substantially
– Top 1/4 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
reduces device power requirements. The
CAT24WC129 features a 64-byte page write buffer.
The device operates via the I²C bus serial interface and
is available in 8-pin DIP or 8-pin SOIC packages.
d _{PIN CONFIGURATION}
e _{DIP Package (P, L)}
u _{NC 1}
NC 2
tin ^{NC 3}
VSS 4
8 VCC
7 WP
6 SCL
5 SDA
n SOIC Package (J, W, K, X)
NC ¹
o _{NC 2}
NC ³
c _VSS 4
8 VCC
7 WP
6 SCL
5 SDA
is _{PIN FUNCTIONS}
D^{Pin Name}
Function
BLOCK DIAGRAM
EXTERNAL LOAD
VCC
VSS
DOUT
ACK
WORD ADDRESS
BUFFERS
SDA
START/STOP
LOGIC
SENSE AMPS
SHIFT REGISTERS
COLUMN
DECODERS
512
XDEC 256
EEPROM
256X512
CONTROL
WP
LOGIC
SDA
Serial Data/Address
DATA IN STORAGE
SCL
Serial Clock
WP
Write Protect
HIGH VOLTAGE/
TIMING CONTROL
V_CC
+1.8V to +6V Power Supply
V_SS
Ground
SCL
STATE COUNTERS
* Catalyst Semiconductor is licensed by Philips Corporation to carry the I²C Bus Protocol.
© 2004 by Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
1
Doc. No. 1079, Rev. V