MB3771PF Fujitsu Microelectronics, Inc., MB3771PF Datasheet - Page 10

• Manufacturer Part Number: MB3771PF
• Description: Power Supply Monitor
• Manufacturer: Fujitsu Microelectronics, Inc.

10
MB3771
6. 5 V Power Supply Monitor with forced RESET input (V
7. 5 V Power Supply Monitor with Non-inverted RESET
8. Supply Voltage Monitoring with Delayed Trigger
RESIN is an TTL compatible input.
In this case, Comparator C is used to invert RESET signal. OUTC is an open-collector output.
RL is used an a pull-up resistor.
When the voltage shown in the diagram below is applied at V
increased to 40 s (when C
The formula for calculating the minimum value of the input pulse width [T
T
PI
[ s] : = 4
10
-2
V
C
CC
1
[pF]
RESIN
5 V
4 V
V
RESET
CC
C
1
T
= 1000 pF).
V
CC
T
R
P
L
: 10 k
1
2
3
4
MB3771
C
T
C
T
7
6
8
5
1
2
3
4
MB3771
1
2
3
4
MB3771
CC
, the minimum value of the input pulse width is
8
7
6
5
CC
= 5 V)
8
7
6
5
RESET
Logic Circuit
PI
] is:
C
1
RESET