DS1818R-20-U+ Maxim Integrated, DS1818R-20-U+ Datasheet - Page 13

• Manufacturer Part Number: DS1818R-20-U+
• Description: Supervisory Circuits
• Manufacturer: Maxim Integrated
• Series: DS1818r

Specifications of DS1818R-20-U+

• Number Of Voltages Monitored: 1
• Monitored Voltage: 1 V to 5.5 V
• Undervoltage Threshold: 2.47 V
• Overvoltage Threshold: 2.64 V
• Output Type: Active Low, Open Drain
• Manual Reset: Not Resettable
• Watchdog: No Watchdog
• Battery Backup Switching: No Backup
• Power-up Reset Delay (typ): 250 ms
• Supply Voltage - Max: 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: SOT-23
• Chip Enable Signals: No
• Minimum Operating Temperature: - 40 C
• Power Fail Detection: Yes
• Supply Current (typ): 35 uA
• Supply Voltage - Min: 1 V
• Part # Aliases: 90-1818R+U20

RSTIN/PFI
______________________________________________________________________________________
V
V
Dual/Triple Ultra-Low-Voltage SOT23 µP
CC
CC
1
2
V
V
REF
REF/2
V
REF
V
CC
1
TIMEOUT
PERIOD
RESET
V
CC
1
Supervisory Circuits
MR
WATCHDOG
TIMER
PULLUP
MR
V
V
V
CC
CC
CC
OUTPUT
Functional Diagram
DRIVER
1
1
1
RESET
V
CC
2
PFO
WDI
RST
RST
13