參數(shù)資料
型號(hào): HA16117
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): 2/31頁
文件大?。?/td> 249K
代理商: HA16117
HA16117F Series
2
Ordering Information
The HA16117F Series includes three ICs with different low threshold levels (V
TL
).
Type No.
Low Threshold Voltage (V
TL
)
4.4 V Typ
HA16117FPA/FPAJ
HA16117FPB/FPBJ
4.2 V Typ
HA16117FPC/FPCJ
4.0 V Typ
Pin Arrangement
8
7
6
5
V
CC
P-RUN
C
F
C
R
1
2
3
4
Tadj
ACC
GND
RES
(Top view)
Pin Description
Pin No.
Symbol
Function
1
V
CC
P-RUN
Power supply voltage input
2
Watchdog timer (WDT) input
3
C
F
Connected capacitor C
determines WDT filter characteristic
(normal frequency range)
4
C
R
Connected capacitor C
R
determines t
ON
for power-on reset and t
OFF
, t
RH
,
and t
RL
for auto-reset
Reset signal output from WDT and voltage supervision circuits
5
RES
6
GND
Ground
7
ACC
WDT on/off control input (on when ACC is low)
8
Note:
Tadj *
For adjusting t
RH
and t
OFF
(divide V
CC
to get the adjustment voltage)
The low-voltage threshold cannot be modified by changing the external resistors connected to the
Tadj pin.
相關(guān)PDF資料
PDF描述
HA16117F CMOS Watchdog Timer
HA16117FPB CMOS Watchdog Timer
HA16117FPBJ CMOS Watchdog Timer
HA16117FPC CMOS Watchdog Timer
HA16117FPCJ CMOS Watchdog Timer
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HA16117F 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:CMOS Watchdog Timer
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