ADM708TAR Analog Devices Inc, ADM708TAR Datasheet - Page 7
![IC SUPERVISOR MPU 3.08 WD 8SOIC](/photos/5/66/56684/505-8-soic_sml.jpg)
ADM708TAR
Manufacturer Part Number
ADM708TAR
Description
IC SUPERVISOR MPU 3.08 WD 8SOIC
Manufacturer
Analog Devices Inc
Type
Simple Reset/Power-On Resetr
Datasheet
1.ADM708TARZ.pdf
(16 pages)
Specifications of ADM708TAR
Rohs Status
RoHS non-compliant
Number Of Voltages Monitored
1
Output
Push-Pull, Push-Pull
Reset
Active High/Active Low
Reset Timeout
160 ms Minimum
Voltage - Threshold
3.08V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
8-SOIC (3.9mm Width)
Number Of Elements
1
Monitored Voltage 1 (typ)
2.5/3/3.3/5V
Threshold Voltage 1 (max)
4.5V
Watchdog Timer
No
Chip Enable Signals
No
Reset Active Time
280ms
Package Type
SOIC N
Operating Supply Voltage (min)
1V
Operating Supply Voltage (max)
5.5V
Reset Threshold Voltage (max)
3.15V
Reset Threshold Voltage (min)
3V
Family Name
ADM708
Power Dissipation
470mW
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Power Fail Detection
Yes
Mounting
Surface Mount
Pin Count
8
Supply Current
0.35mA
Battery Backup Switching
No
Manual Reset
Yes
Lead Free Status / RoHS Status
Not Compliant
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Table 4. Pin Function Descriptions ADM708R/ADM708S/ADM708T
Pin No.
1
2
3
4
5
6
7
8
ADM706P/ADM706R/ADM706S/ADM706T, ADM708R/ADM708S/ADM708T
Mnemonic
MR
V
GND
PFI
PFO
NC
RESET
RESET
CC
Description
Manual Reset Input. When taken below 0.6 V, a RESET/RESET is generated. MR can be driven from TTL, CMOS
logic, or from a manual reset switch because it is internally debounced. An internal 70 μA pull-up current holds
the input high when floating.
Power Supply Input.
Ground. Ground reference for all signals (0 V).
Power-Fail Input. PFI is the noninverting input to the power-fail comparator. When PFI is less than 1.25 V, PFO
goes low. If unused, PFI should be connected to GND.
Power-Fail Output. PFO is the output from the power-fail comparator. It goes low when PFI is less than 1.25 V.
No Connect.
Logic Output. RESET goes low for 200 ms when triggered. It is triggered either by V
threshold or by a low signal on the MR input. RESET remains low whenever V
remains low for 200 ms after V
timeout does not trigger RESET unless WDO is connected to MR.
Logic Output. RESET is an active high output suitable for systems that use active high reset logic. It is the
inverse of RESET.
Figure 5. ADM708R/ADM708S/ADM708T
GND
V
MR
PFI
CC
1
2
3
4
NC = NO CONNECT
CC
(Not to Scale)
goes above the reset threshold or MR goes from low to high. A watchdog
ADM708R/
Rev. C | Page 7 of 16
ADM708S/
ADM708T
TOP VIEW
8
5
7
6
RESET
RESET
NC
PFO
CC
is below the reset threshold. It
CC
being below the reset