CAT34AC02 Datasheet, PDF (1/10 Pages) Catalyst Semiconductor – 2K-Bit SMBus EEPROM for ACR Card Configuration

Preliminary Information
CAT34AC02
2K-Bit SMBus EEPROM for ACR Card Configuration
FEATURES
ALOGEN ^FR
LEA
D
F
R
E
E
TM
s 400 kHz (5V) and 100 kHz (1.8V) SMBus
compatible
s 1.8 to 6.0 volt operation
s Low power CMOS technology
– zero standby current
s 16-byte page write buffer
s Industrial, automotive and extended
temperature ranges
s Self-timed write cycle with auto-clear
s 1,000,000 program/erase cycles
s 100 year data retention
s 8-pin DIP, 8-pin SOIC and 8-pin TSSOP packages
s 256 x 8 memory organization
s Hardware write protect
DESCRIPTION
The CAT34AC02 is a 2K-bit Serial CMOS EEPROM
internally organized as 256 words of 8 bits each. Catalyst’s
advanced CMOS technology substantially reduces de-
vice power requirements. The CAT34AC02 features a
16-byte page write buffer. The device operates via the
SMBus serial interface for ACR card configuration and
is available in 8-pin DIP, 8-pin SOIC or 8-pin TSSOP
packages.
PIN CONFIGURATION
DIP Package (P, L)
SOIC Package (J, W)
BLOCK DIAGRAM
EXTERNAL LOAD
A0 1
A1 2
A2 3
VSS 4
8 VCC
A0
1
7 WP
A1
2
6 SCL
A2
3
5 SDA
VSS
4
8
VCC
7 _WP
6 _SCL
5 _SDA
VCC
VSS
DOUT
ACK
WORD ADDRESS
BUFFERS
SENSE AMPS
SHIFT REGISTERS
COLUMN
DECODERS
TSSOP Package (U, Y)
MSOP Package (R, Z)
A0
1
A1
2
A2
3
VSS
4
8
VCC
7
WP
6 _SCL
5 _SDA
1
8
2
7
3
6
4
5
SDA
WP
START/STOP
LOGIC
CONTROL
LOGIC
XDEC
E²PROM
PIN FUNCTIONS
Pin Name
Function
A0, A1, A2 Device Address Inputs
SDA
Serial Data/Address
SCL
Serial Clock
WP
Write Protect
VCC
+1.8V to +6.0V Power Supply
VSS
Ground
SCL
A0
A1
A2
STATE COUNTERS
SLAVE
ADDRESS
COMPARATORS
DATA IN STORAGE
HIGH VOLTAGE/
TIMING CONTROL
© 2003 by Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
1
Doc No. 1025, Rev. E