CAT1027WI-45-G ON Semiconductor, CAT1027WI-45-G Datasheet - Page 2

• Manufacturer Part Number: CAT1027WI-45-G
• Description: Supervisory Circuits CPU w/2K
• Manufacturer: ON Semiconductor

Specifications of CAT1027WI-45-G

• Product Category: Supervisory Circuits
• Rohs: yes
• Number Of Voltages Monitored: 1
• Monitored Voltage: 3 V, 3.3 V, 5 V
• Undervoltage Threshold: 4.5 V
• Overvoltage Threshold: 4.75 V
• Manual Reset: Not Resettable
• Watchdog: Watchdog
• Supply Voltage - Max: 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: SOIC-8 Wide
• Maximum Power Dissipation: 1000 mW
• Minimum Operating Temperature: - 40 C
• Supply Current (typ): 3000 uA
• Supply Voltage - Min: 2.7 V

CAT1026, CAT1027
BLOCK DIAGRAM
V SENSE
PIN CONFIGURATION
Doc. No. MD-3010 Rev. P
AuxiliaryVoltage Monitor
V CC
V REF
V CC Monitor
V REF
-
+
¯¯¯¯¯¯
RESET
¯¯¯¯¯¯
RESET
V
V
V
SENSE
V
SENSE
+
-
V
V
LOW
LOW
TSSOP Package
SS
SS
MSOP Package
SOIC Package
DIP Package
EXTERNA L LOAD
V CC
V SS
SDA
1
2
3
4
1
2
3
4
V LOW
CAT1027
CAT1026
(CAT1026)
RESET
START/STOP
Controller
RESET
CONTR OL
(L)
LOGIC
(W)
WORDADDRESS
LOGIC
(Z)
(Y)
RESET
8
7
6
5
8
7
6
5
BUFFERS
D OUT
ACK
V
WDI
SCL
SDA
V
RESET
SCL
SDA
CC
CC
XDEC
WDI
(CAT1027)
SHIFT REGISTERS
DATA IN STORAGE
TIMING CONTR OL
STATE COUNTERS
SLAVE
ADDRESS
COMPARATORS
HIGHVOLTAGE/
SENSEAMPS
DECODERS
COLUMN
EEPROM
2
2kbit
SCL
RESET THRESHOLD OPTION
Part Dash
Number
0.8mm maximum height - (ZD4)
RESET 7
TDFN Package: 3mm x 3mm
SDA 5
-45
-42
-30
-28
-25
SDA 5
WDI 7
SCL 6
SCL 6
V
V
CC
CC
8
8
(Bottom View)
CAT1026
CAT1027
Characteristics subject to change without notice
Threshold
Minimum
4.50
4.25
3.00
2.85
2.55
© 2009 SCILLC. All rights reserved.
1
2
3 V
4 V
1
2
3 V
4 V
V
¯¯¯¯¯¯
RESET
V
¯¯¯¯¯¯
RESET
LOW
SENSE
SS
LOW
SENSE
SS
Threshold
Maximum
4.75
4.50
3.15
3.00
2.70