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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)： | 15/31頁 |
| 文件大?。?/td> | 249K |
| 代理商： | HA16117F |
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HA16117F Series
15
8. Summary of cases where P-RUN frequency fluctuates
When f
≥
20 kHz,
t
is frequency-dependent,
so care is required when
making the P-RUN setting
(see figure below).
1 M
100 k
10 k
1 k
100
10
1
5
4
3
2
1
0
0
50 m
100 m
3
2
M
1
t
(s)
1 k
3 k
10 k
P-RUN frequency (Hz)
30 k
50 k 70 k 100 k
7 k
5 k
0
50
P-RUN pulse duty D (%)
100
P
P
P-RUN normal detection region, duty dependency
f
P-RUN
dependency of V
CR
, t
OFF
, M
Note: 1
Note: 2. This is the region when f
is constant.
If f
P-RUN
fluctuates within the normal detection region, the following applies:
Normal detection is performed when the condition f
P-RUN H
/f
P-RUN L
< M is satisfied.
If there is a double-pulse in P-RUN, RES may be output if the double-pulse has multiple frequency
components. If the P-RUN frequency fluctuates, refer to the following when making the P-RUN
setting.
C
C
Multivibrator threshold voltage (1.6 V)
Normal detection region*
2
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PDF描述 |
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| HA16117FPB | CMOS Watchdog Timer |
| HA16117FPBJ | CMOS Watchdog Timer |
| HA16117FPC | CMOS Watchdog Timer |
| HA16117FPCJ | CMOS Watchdog Timer |
| HA16121FPJ | RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HA16117FA | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:CMOS Watchdog Timer |
| HA16117FB | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:CMOS Watchdog Timer |
| HA16117FC | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:CMOS Watchdog Timer |
| HA16117FPA | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:CMOS Watchdog Timer |
| HA16117FPAJ | 制造商:Renesas Electronics Corporation 功能描述:Processor Supervisor 4.4V 600uA 8-Pin SOP |
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