參數(shù)資料
型號(hào): HA16117FPC
廠商: Hitachi,Ltd.
英文描述: CMOS Watchdog Timer
中文描述: 看門狗定時(shí)器的CMOS
文件頁數(shù): 12/31頁
文件大?。?/td> 249K
代理商: HA16117FPC
HA16117F Series
12
5. t
OFF
when P-RUN signal 90 kHz
t
OFF
26 ms
H
L
H
L
H
0 V
1.6 V
3.2 V
5 V
0 V
0.9 V
3.6 V
5 V
L
H
L
H
L
H
L
H
L
H
L
P-RUN
50 ms
Q
A
C
F
WD
C
R
B
C
2.3 V
f
P_RUN
90 kHz
When the P-RUN frequency is high, even though within specification, the C
R
pin potential
falls. If the P-RUN frequency falls sharply at this time, t
OFF
may be short.
With values of C
F
= 0.01
μ
F and C
R
= 0.1
μ
F, the C
R
pin potential will not fall as long as the
P-RUN frequency is 20 kHz or below.
RES
Q
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