CAT24C01B Datasheet, PDF (1/7 Pages) Catalyst Semiconductor – 1K-Bit Serial EEPROM

CAT24C01B
1K-Bit Serial EEPROM
FEATURES
s 2-Wire Serial Interface
s 1.8 to 6.0Volt Operation
s Low Power CMOS Technology
s 4-Byte Page Write Buffer
s Self-Timed Write Cycle with Auto-Clear
DESCRIPTION
The CAT24C01B is a 1K-bit Serial CMOS EEPROM
internally organized as 128 words of 8 bits each. Catalyst’s
advanced CMOS technology substantially reduces de-
vice power requirements. The CAT24C01B features a
PIN CONFIGURATION
DIP Package (P)
SOIC Package (J)
NC ¹
NC ²
NC ³
VSS ⁴
8 _VCC
NC
1
7 _TEST
NC
2
6 _SCL
NC
3
5 _SDA
VSS
4
8
VCC
7 _TEST
6 _SCL
5 _SDA
s 1,000,000 Program/Erase Cycles
s 100 Year Data Retention
s 8-pin DIP, 8-pin SOIC, 8 pin TSSOP or 8-pin MSOP
s Commercial, Industrial and Automotive
Temperature Ranges
4-byte page write buffer. The device operates via a 2-
wire serial interface and is available in 8-pin DIP, 8-pin
SOIC, 8-pin TSSOP or 8-pin MSOP.
BLOCK DIAGRAM
EXTERNAL LOAD
VCC
VSS
DOUT
ACK
WORD ADDRESS
BUFFERS
SENSE AMPS
SHIFT REGISTERS
COLUMN
DECODERS
MSOP Package (R)
NC ¹
NC ²
NC ³
VSS 4
8 VCC _NC
7 TEST _NC
6 SCL _NC
5 SDA _VSS
5020 FHD F01
TSSOP Package (U)
SDA
1
8
VCC
2
7 _TEST
3
6
SCL
4
5
SDA
START/STOP
LOGIC
CONTROL
LOGIC
XDEC
EEE²PPRROOMM
PIN FUNCTIONS
Pin Name
Function
NC
No Connect
SDA
Serial Data/Address
SCL
Serial Clock
VCC
+1.8V to +6.0V Power Supply
VSS
Ground
TEST
Test Input (GND, VCC or
Floating)
DATA IN STORAGE
HIGH VOLTAGE/
TIMING CONTROL
SCL
STATE COUNTERS
© 1999 by Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
1
Doc. No. 25085-00 7/99 S-1