MB3793-42 Fujitsu Media Devices, MB3793-42 Datasheet - Page 17
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MB3793-42
Manufacturer Part Number
MB3793-42
Description
POWER-VOLTAGE MONITORING IC WITH WATCHDOG TIMER
Manufacturer
Fujitsu Media Devices
Datasheet
1.MB3793-42.pdf
(23 pages)
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DataSheet4U.com
www.DataSheet4U.com
DataSheet
4
U
.com
STANDARD CONNECTION
Equation of time-setting capacitances (C
Value of A, B, C and D
(Example) When C
1300
A
t
t
t
V
C
PR
WD
WR
CC
TW
However, when C
t
WD
(ms)
(ms)
(ms)
(ms)
t
t
t
PR
WD
WR
C
TP
A
1500
B
D
130 [ms]
15 [ms]
10 [ms]
B
B
C
C
C
TP
TP
TW
TP
C
TW
3
( F)
2
= 0.1 F and C
( F)
( F) + C
TP
( F)
CTW
CTP
/C
INH
TW
6
C
3
MB3793
10,
GND
V
C
4
5
CC
TP
TW
RESET
( F)
= 0.01 F,
DataSheet4U.com
100
CK2
CK1
TP
D
and C
1
8
7
TW
) and set time
Remark
RESET V
CK
processor 1
Micro-
GND
CC
RESET V
CK
processor 2
MB3793-42
Micro-
GND
CC
17