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CAT24WC32X1.8TE13B Datasheet

  • CAT24WC32X1.8TE13B

  • 32K/64K-Bit I2C Serial CMOS E2PROM

  • 10頁(yè)

  • CATALYST

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CAT24WC32/64
32K/64K-Bit I
2
C Serial CMOS EEPROM
FEATURES
I
400 KHz I
2
C bus compatible*
I
1.8 to 6 volt read and write operation
I
Cascadable for up to eight devices
I
32-Byte page write buffer
I
Self-timed write cycle with auto-clear
I
8-pin DIP or 8-pin SOIC
I
Schmitt trigger inputs for noise protection
H
GEN
FR
ALO
EE
LE
A
D
F
R
E
E
TM
I
Commercial, industrial, automotive and
extended automotive temperature ranges
I
Write protection
鈥?Entire array protected when WP at V
IH
I
1,000,000 Program/erase cycles
I
100 year data retention
DESCRIPTION
The CAT24WC32/64 is a 32K/64K-bit Serial CMOS
E
2
PROM internally organized as 4096/8192 words of 8
bits each. Catalyst鈥檚 advanced CMOS technology sub-
stantially reduces device power requirements. The
CAT24WC32/64 features a 32-byte page write buffer.
The device operates 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
A2
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
256
SENSE AMPS
SHIFT REGISTERS
SOIC Package (J, W, K, X)
A0
A1
A2
VSS
1
2
3
4
8
7
6
5
VCC
WP
SCL
SDA
SDA
START/STOP
LOGIC
E
2
PROM
XDEC 128/256 128/256 X 256
WP
CONTROL
LOGIC
PIN FUNCTIONS
Pin Name
A0, A1, A2
SDA
SCL
WP
V
CC
V
SS
Function
Device Address Inputs
Serial Data/Address
Serial Clock
Write Protect
+1.8V to +6V Power Supply
Ground
SCL
A0
A1
A2
STATE COUNTERS
SLAVE
ADDRESS
COMPARATORS
24WC32/64 F02
DATA IN STORAGE
HIGH VOLTAGE/
TIMING CONTROL
* Catalyst Semiconductor is licensed by Philips Corporation to carry the I
2
C Bus Protocol.
漏 2004 by Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
1
Doc. No. 1039, Rev. F

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