MB3793-42 Fujitsu Media Devices, MB3793-42 Datasheet - Page 7

• Manufacturer Part Number: MB3793-42
• Description: POWER-VOLTAGE MONITORING IC WITH WATCHDOG TIMER
• Manufacturer: Fujitsu Media Devices

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DataSheet
4
2. AC Characteristics
*: The voltage range is 10% to 90% at testing the reset output transition time.
U
Power-on reset hold time
Watchdog timer monitoring time
Watchdog timer reset time
CK input pulse duration
CK input pulse cycle
Reset (RESET) output transition time
.com
Parameter
Rising
Falling
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Symbol
t
t
t
t
CKW
t
CKT
tr*
WD
WR
tf*
PR
C
C
C
C
C
C
TP
TW
TP
TP
L
L
Conditions
= 50 pF
= 50 pF
= 0.1 F
= 0.1 F
= 0.1 F
= 0.01 F
Min
500
7.5
80
20
5
(V
MB3793-42
CC
Value
Typ
130
15
10
= 5 V, Ta = 25 C)
Max
22.5
180
500
500
15
Unit
ms
ms
ms
ns
ns
ns
s
7