CAT24FC01
1-kb I
2
C Serial EEPROM
FEATURES
I
400 kHz (2.5 V) I
2
C bus compatible
I
2.5 to 5.5 volt operation
I
Low power CMOS technology
I
16-byte page write buffer
I
Industrial and extended temperature ranges
I
Self-timed write cycle with auto-clear
I
1,000,000 program/erase cycles
I
100 year data retention
I
8-pin DIP, SOIC, TSSOP and MSOP packages
- 鈥淕reen鈥?package option available
I
256 x 8 memory organization
I
Hardware write protect
DESCRIPTION
The CAT24FC01 is a 1-kb Serial CMOS EEPROM
internally organized as 128 words of 8 bits each. Catalyst鈥檚
advanced CMOS technology substantially reduces
device power requirements.
PIN CONFIGURATION
DIP Package (P, L, GL)
A0
A1
A2
VSS
1
2
3
4
8
7
6
5
VCC
WP
SCL
SDA
SOIC Package (J, W, GW)
A0
A1
A2
VSS
1
2
3
4
8
7
6
5
VCC
WP
SCL
SDA
TSSOP Package (U, Y, GY)
A0
A1
A2
VSS
1
2
3
4
PIN FUNCTIONS
Pin Name
Function
A0, A1, A2
SDA
SCL
WP
V
CC
V
SS
Device Address Inputs
Serial Data/Address
Serial Clock
Write Protect
2.5 V to 5.5 V Power Supply
Ground
i
D
MSOP Package (R, Z, GZ)
A0
A1
A2
1
2
3
4
8
7
6
5
VSS
c
s
i
t
n
o
8
7
6
5
VCC
WP
SCL
SDA
VCC
WP
SCL
SDA
u
n
VCC
VSS
SDA
WP
SCL
A0
A1
A2
The CAT24FC01 features a 16-byte page write buffer.
The device operates via the I
2
C bus serial interface and
is available in 8-pin DIP, SOIC, TSSOP and MSOP
packages.
BLOCK DIAGRAM
EXTERNAL LOAD
DOUT
ACK
d
e
START/STOP
LOGIC
CONTROL
LOGIC
a
P
COLUMN
DECODERS
E
2
PROM
t
r
SENSE AMPS
SHIFT REGISTERS
WORD ADDRESS
BUFFERS
XDEC
DATA IN STORAGE
HIGH VOLTAGE/
TIMING CONTROL
STATE COUNTERS
SLAVE
ADDRESS
COMPARATORS
* Catalyst Semiconductor is licensed by Philips Corporation to carry
the I
2
C Bus Protocol.
漏 2005 by Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
1
Doc. No. 1073, Rev. G