HT82M91A 查看數據表（PDF） - Holtek Semiconductor
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HT82M91A Datasheet PDF : 6 Pages
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HT82M91A
A.C. Characteristics
Ta=25°C
Symbol
Parameter
Test Conditions
VDD
Conditions
fSYS
System Clock (Crystal OSC) 5V
¾
Min. Typ. Max. Unit
0 6000 ¾ kHz
tWDTosc Watchdog Oscillator
¾
¾
93.75 125 156.25 ms
tWDT
Watchdog Time-out Period
(RC OSC)
¾
¾
768 1024 1280 ms
tPWRT Power-up Timer Period
¾
¾
¾ 10 ¾ ms
tOST
Oscillation Start-up Timer
Period
¾
Power-up or wake-up
form Halt
¾
1024
¾
tSYS
Note: tSYS=1/fSYS
4
January 28, 2000
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