MB3793-45 Ver la hoja de datos (PDF) - Fujitsu

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MB3793-45

POWER-VOLTAGE MONITORING IC WITH WATCHDOG TIMER

Fujitsu 

MB3793-45

2. AC Characteristics

Parameter

Symbol Conditions

Power-on reset hold time

Watchdog timer monitoring time

Watchdog timer reset time

CK input pulse duration

CK input pulse cycle

Rising

Reset (RESET) output transition time

Falling

tPR

tWD

tWR

tCKW

tCKT

tr*

tf*

CTP = 0.1 μF

CTW = 0.01 μF

CTP = 0.1 μF

CTP = 0.1 μF

⎯

⎯

CL = 50 pF

CL = 50 pF

*: The voltage range is 10% to 90% at testing the reset output transition time.

(VCC = +5 V, Ta = +25°C)

Value

Unit

Min Typ Max

80

130 180 ms

7.5

15

22.5 ms

5

10

15 ms

500

⎯

⎯ ns

20

⎯

⎯ μs

⎯

⎯

500 ns

⎯

⎯

500 ns

DS04-27405-2E

7

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