CAT1641WI-28-G ON Semiconductor, CAT1641WI-28-G Datasheet - Page 2

• Manufacturer Part Number: CAT1641WI-28-G
• Description: Supervisory Circuits CPU w/64K
• Manufacturer: ON Semiconductor

Specifications of CAT1641WI-28-G

• Product Category: Supervisory Circuits
• Rohs: yes
• Number Of Voltages Monitored: 1
• Monitored Voltage: 3 V, 3.3 V, 5 V
• Undervoltage Threshold: 2.85 V
• Overvoltage Threshold: 3 V
• Output Type: Active High, Open Drain
• Manual Reset: Resettable
• Watchdog: No Watchdog
• Battery Backup Switching: No Backup
• Power-up Reset Delay (typ): 270 ms
• Supply Voltage - Max: 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: SOIC-8 Wide
• Chip Enable Signals: No
• Maximum Power Dissipation: 1000 mW
• Minimum Operating Temperature: - 40 C
• Power Fail Detection: No
• Supply Current (typ): 3000 uA
• Supply Voltage - Min: 3 V

EXTERNAL LOAD
V CC
V SS
SDA
Table 1. THRESHOLD VOLTAGE OPTION
Part Dash
Number
STA RT/ STOP
−45
−42
−30
−28
−25
CONTROL
LOGIC
WORDADDRESS
LOGIC
RESET Controller
BU F F E R S
Vcc Monitor
D OUT
Precision
ACK
BLOCK DIAGRAM
http://onsemi.com
RESET (CAT1640)
RESET (CAT1641)
Threshold
Minimum
XDEC
4.50
4.25
3.00
2.85
2.55
2
SHIFT REGISTERS
STATE COUNTERS
COMPARATORS
DATA IN STORAGE
TIMING CONTROL
SLAVE
ADDRESS
HIGHVOLTAGE/
SENSEAMPS
DECODERS
COLUMN
EEPROM
Threshold
Maximum
2kbit
4.75
4.50
3.15
3.00
2.70
SCL
A0
A1
A2