DS1818R-20-U+ Maxim Integrated, DS1818R-20-U+ Datasheet - Page 16

• 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

Dual/Triple Ultra-Low-Voltage SOT23 µP
Supervisory Circuits
16
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TOP VIEW
RST1
GND
GND
RST
MR
MR
1
2
3
1
2
3
MAX6715/
MAX6721/
MAX6716
MAX6722
SOT23
SOT23
GND
RST
WDI
RST
6
5
4
6
5
4
1
2
4
3
V
RST2
V
V
WDI
V
CC
CC
CC
CC
1
2
1
2
MAX6727
SOT23
GND
GND
RST
RST
WDI
MR
1
2
3
1
2
3
8
7
6
5
V
RSTIN
V
MR
CC
CC
MAX6717/
MAX6723/
MAX6718
MAX6724
SOT23
SOT23
1
2
GND
WDI
PFO
RST
5
4
6
5
4
1
2
4
3
V
V
V
RSTIN
V
CC
CC
CC
CC
1
2
1
2
MAX6728/
MAX6729
SOT23
GND
RST
WDI
RST
GND
RST
MR
1
2
4
3
1
2
3
6
8
7
5
V
PFI
V
MR
Pin Configurations
MAX6719/
MAX6720
MAX6725/
CC
CC
SOT23
MAX6726
SOT23
1
2
6
5
4
7
6
5
8
V
RSTIN
V
CC
CC
V
RSTIN
V
MR
CC
CC
1
2
1
2