CAT1024, CAT1025
Preliminary Information
Threshold Voltage Options
BLOCK DIAGRAM — CAT1024, CAT1025
Part Dash Minimum Maximum
Number Threshold Threshold
EXTERNAL LOAD
SENSE AMPS
SHIFT REGISTERS
D
OUT
-45
-42
4.50
4.25
4.75
4.50
ACK
V
CC
WORD ADDRESS
BUFFERS
COLUMN
DECODERS
V
SS
-30
-28
-25
3.00
2.85
2.55
3.15
3.00
2.70
START/STOP
SDA
WP*
LOGIC
2kbit
EEPROM
XDEC
CONTROL
LOGIC
DATA IN STORAGE
HIGH VOLTAGE/
TIMING CONTROL
RESET Controller
STATE COUNTERS
SCL
Precision
SLAVE
MR
ADDRESS
COMPARATORS
Vcc Monitor
*
RESET RESET
*CAT1025 Only
OPERATING TEMPERATURE RANGE
PIN FUNCTIONS
Industrial
Automotive
Extended
-40˚C to 85˚C
-40˚C to 105˚C
-40˚C to 125˚C
Pin Name
Function
NC
RESET
VSS
No Connect
Active Low Reset Input/Output
Ground
SDA
Serial Data/Address
Clock Input
SCL
RESET
Active High Reset Output (CAT1025 only)
VCC
WP
MR
Power Supply
Write Protect (CAT1025 only)
Manual Reset Input
Doc. No. 3008, Rev. G
2
CATALYST [ CATALYST SEMICONDUCTOR ]
