CAT1021LI-30-T2 CATALYST [Catalyst Semiconductor], CAT1021LI-30-T2 Datasheet - Page 2

• Manufacturer Part Number: CAT1021LI-30-T2
• Description: Supervisory Circuits with I2C Serial 2k-bit CMOS EEPROM, Manual Reset and Watchdog Timer
• Manufacturer: CATALYST [Catalyst Semiconductor]

CAT1021, CAT1022, CAT1023
BLOCK DIAGRAM
(CAT1021)
PIN CONFIGURATION
Doc. No. MD-3009 Rev. M
EXTERNA L LOAD
V CC
V SS
SDA
WP
MR
(CAT1021/23)
START/STOP
RESET
RESET
RESET
RESET
CONTR OL
¯¯¯¯¯¯
RESET
¯¯¯¯¯¯
¯¯¯¯¯¯
LOGIC
WORDADDRESS
LOGIC
RESET Controller
¯¯¯
¯¯¯
MR
¯¯¯
MR
MR
WP
V
V
V
NC
SS
SS
SS
BUFFERS
Vcc Monitor
TSSOP Package
D OUT
Precision
MSOP Package
SOIC Package
ACK
DIP Package
1
2
3
4
1
2
3
4
1
2
3
4
RESET
CAT1022
CAT1023
CAT1021
XDEC
WDI
(CAT1023)
(L)
(W)
(Z)
(Y)
8
7
6
5
8
7
6
5
8
7
6
5
V
NC
SDA
V
SDA
SHIFT REGISTERS
STATE COUNTERS
SLAVE
ADDRESS
COMPARATORS
V
RESET
SCL
SDA
SCL
WDI
SCL
DATA IN STORAGE
TIMING CONTR OL
CC
CC
HIGHVOLTAGE/
CC
SENSEAMPS
DECODERS
COLUMN
EEPROM
2kbit
2
SCL
THRESHOLD VOLTAGE OPTION
Part Dash
Number
RESET 7
0.8mm maximum height - (ZD4)
TDFN Package: 3mm x 3mm
SDA 5
SDA 5
SDA 5
SCL 6
WDI 7
SCL 6
SCL 6
-45
-42
-30
-28
-25
V
V
V
NC 7
CC
CC
CC
8
8
8
(Bottom View)
CAT1022
CAT1023
CAT1021
Characteristics subject to change without notice
Threshold
Minimum
4.50
4.25
3.00
2.85
2.55
1
2
3 NC
4 V
1
2
3 RESET
4 V
1
2
3 WP
4 V
¯¯¯
¯¯¯¯¯¯
RESET
¯¯¯
¯¯¯¯¯¯
RESET
¯¯¯
MR
¯¯¯¯¯¯
RESET
MR
MR
© Catalyst Semiconductor, Inc.
SS
SS
SS
Threshold
Maximum
4.75
4.50
3.15
3.00
2.70