CAT1025 CATALYST [Catalyst Semiconductor], CAT1025 Datasheet - Page 2

• Manufacturer Part Number: CAT1025
• Description: Supervisory Circuits with I2C Serial 2k-bit CMOS EEPROM and Manual Reset
• Manufacturer: CATALYST [Catalyst Semiconductor]

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