HA16129FPJ Datasheet, PDF (14/23 Pages) Hitachi Semiconductor – Single Watchdog Timer

HA16129FPJ
Electrical Characteristics (cont.)
(Ta = 25°C, V_CC = 12V, Vout = 5.0V, Rf = R_R = 180kΩ, Cf = 3300pF, C_R = 0.1µF, R_T = 390kΩ, C_RES = 1500pF,
R_CS = 0.2Ω)
Test
Item
Symbol
Min
Typ
Max
Unit Conditions
RES
output
block
High level
Low level
Function start voltage
V_OHR
V_OLR
V_STR
Vout – 0.2 Vout Vout + 0.2
V
I_OHR = 0mA
–
–
0.4
V
I_OLR = 2.0mA
–
0.7
1.4
V
OUTE
output
block
RES
High level
Low level
Function start voltage
Power on time
V_OHE
V_OLE
V_STE
ton
Vout − 0.2
–
–
25
Vout
–
0.7
40
Vout + 0.2
0.4
1.4
60
V
I_OHE = 0mA
V
I_OLE = 2.0mA
V
ms
function _{Clock off time}
toff
80
130
190
ms
Reset pulse high time
t_RH
40
60
90
ms
LVI
function
Reset pulse low time
NMI
Detection
function
voltage 1
t_RL
V_NMI1
15
20
30
ms
4.5
4.63
4.75
V
(Vout
Hysteresis 1 V_HYSN1
–
50
100
mV
detection) _{Temperature | δVNMI/δT |}
–
100
(400) ppm/°C
coefficient
NMI
function
Detection
voltage 2
V_NMI2
5.0
5.4
5.7
V R1 = 13kΩ,
R2 = 390kΩ
(V_CC
detection)
Hysteresis 2 V_HYSN2
0.5
0.8
1.3
V R1 = 13kΩ,
R2 = 390kΩ
STBY
function
Detection
voltage
V_STBY
Hysteresis
Temperature
coefficient
V_HYSS
| δV_STBY/δT |
RES
Disable time
t_RES
delay time _{Recovery time}
tr
Note: Values in parentheses are design reference values.
2.70
1.20
–
(100)
(100)
3.00
1.35
100
200
200
3.30
1.50
(400)
(300)
(300)
V
V
ppm/°C
µs
µs
Rev.3.00 Jun 15, 2005 page 14 of 22