HA16117F Datasheet, PDF (5/31 Pages) Hitachi Semiconductor – CMOS Watchdog Timer

HA16117F Series
Electrical Characteristics
(V_CC = 5 V, Ta = 25°C, C_F = 0.01 µF, C_R = 0.1 µF, R₁ = 510 kΩ, R₂ = 750 kΩ)
Item
General
Operating supply current
Symbol Min
Typ
Max
I_CC1
—
100
—
I_CC2
—
200
600
Standby supply current
I_STBY
—
43
100
Low
Low voltage HA16117FPA/FPAJ V_TL
4.3
4.4
4.5
voltage
threshold
detector level
HA16117FPB/FPBJ
4.1
4.2
4.3
HA16117FPC/FPCJ
3.9
4.0
4.1
ACC
P-RUN
input
WDT
RES
output
Constant
range
Hysteresis width
Low input voltage
High input voltage
Low input voltage
High input voltage
Power-on reset time
Reset-clock off time
Reset low time
Reset high time
Low setup time
High setup time
RES low voltage
RES high voltage
Reset function starting voltage
Constant range of R₁ and R₂
V_HYS
50
100
150
V_IL1
—
—
0.8
V_IH1
2.0
—
—
V_IL2
—
—
0.8
V_IH2
2.0
—
—
t_ON
24
40
56
t_OFF *¹
78
130
182
t_RL
12
20
28
t_RH
36
60
84
t_SL
1
—
—
t_SH
—
—
1
V_OL
—
—
0.4
V_OH
—
V_CC
—
V_RES
—
0.8
1.4
K
0.55
0.6
0.8
Operating supply voltage range
V_CCRNG
V_TL
—
6.0
Note: 1. Reset-clock off time t_OFF is provided a shown in the under figure.
Unit
µA
µA
µA
V
Test Conditions
V_ACC = 0 V,
f_P-RUN = 100 Hz
V_ACC = 0 V,
f_P-RUN = 20 kHz
V_ACC = 12 V
When V_CC drops
V
V
mV
V
V
V
V
ms
ms
ms
ms P-RUN pin = 0 V
ms
ms
V
I_OL = 1 mA
V
Open
V
—
K =R₂ / (R₁ + R₂)
V
f = 500 Hz, Duty = 50%
P-RUN
RES
t_OFF
5