參數(shù)資料
型號: HA16117F
廠商: Hitachi,Ltd.
英文描述: CMOS Watchdog Timer
中文描述: 看門狗定時器的CMOS
文件頁數(shù): 18/31頁
文件大?。?/td> 249K
代理商: HA16117F
HA16117F Series
18
Operating Characteristics and Test Circuits
5 V
0 V
5 V
0 V
P-RUN
5 V
V
TL
0 V
5 V
0 V
V
CC
5 V
0 V
50 ms/div
Power-on reset time (
t
ON
)
time
50 ms/div
Reset-clock off time (
t
OFF
)
time
20 ms/div
time
t
ON
SW,OFF
t
OFF
t
RL
t
RH
C
R
RES
and C
R
waveforms at detect abnormal conditions
Circuit for measuring t
ON
0.01
μ
0.1
μ
Oscilloscope
510 k
750 k
V
CC
Tadj
P-RUN ACC
C
F
GND
C
R
5V
0V
Circuit for measuring
RES
and C
R
waveforms
0.01
μ
0.1
μ
Oscilloscope
Oscilloscope
510 k
750 k
V
CC
Tadj
P-RUN ACC
C
F
GND
C
R
Circuit for measuring t
OFF
0.01
μ
0.1
μ
Oscilloscope
510 k
750 k
50‰
V
CC
Tadj
P-RUN ACC
C
F
GND
C
R
5V
0V
f = 500Hz
duty 50%
5 V
5V
RES
RES
RES
RES
RES
RES
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