參數(shù)資料
型號: HA16117FPA
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): 26/31頁
文件大小: 249K
代理商: HA16117FPA
HA16117F Series
26
Reset High Time vs. K (
Tadj
Constant)
R
R
100 m
0.56
0.6
0.7
0.8
10 m
Tadj
constant K
1 M
Duty-cycle dependence of
P-RUN normal frequency range
P
P
0
P-RUN input pulse duty cycle (%)
100 k
10 k
1 k
100
10
1
50
100
MPU system abnormal
MPU system abnormal
MPU system normal
Abnormal if duty
cycle is 0%
Abnormal if duty
cycle is 100%
Test circuit
Notes: 1.
2.
Normal detection is assumed when RES is not output.
The figure at left is for a constant P-RUN frequency.
See "8. Summary of cases where P-RUN frequency
fluctuates" for cases where the frequency fluctuates.
0.01
μ
0.1
μ
0.01
μ
0.1
μ
R
2
R
1
5 V
V
CC
Tadj
P-RUN ACC
C
F
GND
C
R
Oscilloscope
Test circuit
Oscilloscope
K =R
1
+ R
2
R
2
750 R
510 R
V
CC
Tadj
P-RUN ACC
C
F
5 V
5 V
0 V
GND
C
R
Pulse
generator
RES
RES
相關(guān)PDF資料
PDF描述
HA16117FPAJ CMOS Watchdog Timer
HA16117 CMOS Watchdog Timer
HA16117F CMOS Watchdog Timer
HA16117FPB CMOS Watchdog Timer
HA16117FPBJ CMOS Watchdog Timer
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HA16117FPAJ 制造商:Renesas Electronics Corporation 功能描述:Processor Supervisor 4.4V 600uA 8-Pin SOP
HA16117FPB 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:CMOS Watchdog Timer
HA16117FPBJ 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:CMOS Watchdog Timer
HA16117FPC 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:CMOS Watchdog Timer
HA16117FPCJ 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:CMOS Watchdog Timer