ADM6821LART-RL AD [Analog Devices], ADM6821LART-RL Datasheet - Page 4

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ADM6821LART-RL

Manufacturer Part Number
ADM6821LART-RL
Description
Low Voltage Supervisory Circuits with Watchdog & Manual Reset in 5-Lead SOT-23
Manufacturer
AD [Analog Devices]
Datasheet

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ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily accumulate on the
human body and test equipment and can discharge without detection. Although this product features
proprietary ESD protection circuitry, permanent damage may occur on devices subjected to high energy
electrostatic discharges. Therefore, proper ESD precautions are recommended to avoid performance
degradation or loss of functionality.
ADM6821–ADM6825
PIN CONFIGURATIONS AND FUNCTIONAL DESCRIPTIONS
Pin No.
1
2
3
4
5
ESD CAUTION
Name
RESET (ADM6822/23/24/25)
RESET (ADM6821)
GND
MR (ADM6821/22/23)
RESET (ADM6824/ADM6825)
WDI (ADM6821/22/23/24)
MR (ADM6825)
V
CC
RESET
MR
Table 4. Pin Functional Descriptions
Description
Active-Low Reset Output, which is asserted whenever V
V
Open-Drain Output Stage for ADM6822.
Push-Pull Output Stage for ADM6823/24/25.
Active-High Reset Output
Ground
Manual Reset Input. This is an active-low input which, when forced low for at least 1µs,
generates a reset.
Features a 52k internal pull-up.
Active-High Push-Pull Reset Output.
Watchdog Input. Generates a reset if the voltage 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.
Manual Reset Input.
Power Supply Voltage being Monitored
TH
.
Rev.PrA | Page 4 of 7
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RESET
RESET
MR
Preliminary Technical Data
MR
CC
is below the reset.threshold,

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