ADM705 Analog Devices, ADM705 Datasheet - Page 3

• Manufacturer Part Number: ADM705
• Description: Low Cost Microprocessor Supervisory Circuit
• Manufacturer: Analog Devices

Specifications of ADM705

• Batt-backup-flg: No
• Manual Reset Capability: Yes
• Package: DIP,SOIC
• Power Fail Indicator: Yes
• Reset Threshold Summary: 4.65V
• Reset Output-stage: Active-Low/Push-Pull
• Min Reset Timeout (ms): 160
• Typ Watchdog Timeout (ms): 1600
• Watchdog Timer: Yes

SPECIFICATIONS
V
Table 1.
Parameter
POWER SUPPLY
LOGIC OUTPUT
RESET PULSE WIDTH
RESET OUTPUT VOLTAGE
RESET OUTPUT VOLTAGE
WATCHDOG TIMEOUT PERIOD (t
WATCHDOG INPUT
WDO OUTPUT VOLTAGE
MANUAL RESET INPUT
MR INPUT THRESHOLD
MR TO RESET OUTPUT DELAY
POWER-FAIL INPUT
PFO OUTPUT VOLTAGE
CC
V
Supply Current
Reset Threshold
Reset Threshold Hysteresis
WDI Pulse Width (t
WDI Input Threshold
WDI Input Current
MR Pull-Up Current
MR Pulse Width
Logic Low
Logic High
PFI Input Threshold
PFI Input Current
CC
= 4.75 V to 5.5 V, T
Logic Low
Logic High
Operating Voltage Range
WP
)
A
= T
MIN
WD
to T
)
MAX
, unless otherwise noted.
Min
1.0
4.5
4.25
160
V
V
1.00
50
3.5
−150
V
100
150
2.0
1.2
−25
V
CC
CC
CC
CC
− 1.5
− 1.5
− 1.5
− 1.5
Typ
190
4.65
4.40
40
200
1.60
50
−50
250
1.25
+0.01
Rev. G | Page 3 of 12
Max
5.5
250
4.75
4.50
280
0.4
0.3
0.3
0.4
2.25
0.8
150
0.4
600
0.8
250
1.3
+25
0.4
Unit
V
μA
V
V
mV
ms
V
V
V
V
V
V
sec
ns
V
V
μA
μA
V
V
μA
ns
V
V
ns
V
nA
V
V
ADM705/ADM706/ADM707/ADM708
Test Conditions/Comments
ADM706/ADM708
I
I
V
V
ADM707/ADM708, I
ADM707/ADM708, I
V
WDI = 0 V
WDI = 0 V
I
I
MR = 0 V
I
I
ADM705/ADM707
SOURCE
SINK
SOURCE
SINK
SOURCE
SINK
CC
CC
IL
= 0.4 V, V
= 1 V, I
= 1.2 V, I
= 3.2 mA
= 1.2 mA
= 3.2 mA
= 800 μA
= 800 μA
= 800 μA
SINK
SINK
IH
= 50 μA
= V
= 100 μA
CC
× 0.8, WDI = V
SOURCE
SINK
= 1.2 mA
= 800 μA
CC