ADM8316/ADM8318/ADM8319/ADM8320/ADM8321/ADM8322 Data Sheet
Rev. B | Page 6 of 15
PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS
Figure 3. ADM8316/ADM8320 Pin Configuration
Table 3. ADM8316/ADM8320 Pin Function Descriptions
Pin No. Mnemonic Description
1
RESET Active Low Reset Output. Asserted whenever V
CC
is below the reset threshold, V
TH
. This pin is a push-pull
output stage for the ADM8316 and an open-drain output stage for the ADM8320.
2 GND Ground.
3
MR Manual Reset Input. This is an active low input that, when forced low for greater than the glitch filter time,
generates a reset. It features a 75 kΩ internal pull-up resistor.
4 WDI
Watchdog Input. Generates a reset if the logic level on the pin remains low or high for the duration of the
watchdog timeout. The timer is cleared if a logic transition occurs on this pin or if a reset is generated. Leave
this pin floating to disable the watchdog timer.
5 V
CC
Power Supply Voltage Being Monitored.
Figure 4. ADM8318/ADM8321 Pin Configuration
Table 4. ADM8318/ADM8321 Pin Function Descriptions
Pin No. Mnemonic Description
1
RESET Active Low Reset Output. Asserted whenever V
CC
is below the reset threshold, V
TH
. This pin is a push-pull
output stage for the ADM8318 and an open-drain output stage for the ADM8321.
2 GND Ground.
3 RESET Active High Push-Pull Reset Output.
4 WDI
Watchdog Input. Generates a reset if the logic level on the pin remains low or high for the duration of the
watchdog timeout. The timer is cleared if a logic transition occurs on this pin or if a reset is generated. Leave
this pin floating to disable the watchdog timer.
5 V
CC
Power Supply Voltage Being Monitored.
Figure 5. ADM8319/ADM8322 Pin Configuration
Table 5. ADM8319/ADM8322 Pin Function Descriptions
Pin No. Mnemonic Description
1
RESET Active low Reset Output. Asserted whenever V
CC
is below the reset threshold, V
TH
. This pin is a push-pull
output stage for the ADM8319 and an open-drain output stage for the ADM8322.
2 GND Ground.
3 RESET Active High Push-Pull Reset Output.
4
MR Manual Reset Input. This is an active low input that, when forced low for greater than the glitch filter time,
generates a reset. It features a 75 kΩ internal pull-up resistor.
5 V
CC
Power Supply Voltage Being Monitored.
RESET
GND
MR
1
3
2
V
CC
5
WDI
4
ADM8316/
ADM8320
TOP VIEW
(Not to Scale)
11779-003
RESET
GND
RESET
1
3
2
V
CC
5
WDI
4
ADM8318/
ADM8321
TOP VIEW
(Not to Scale)
11779-004
MR
RESET
GND
RESET
1
3
2
V
CC
5
4
ADM8319/
ADM8322
TOP VIEW
(Not to Scale)
11779-005
