HA16129FPJ Datasheet, PDF (20/23 Pages) Hitachi Semiconductor – Single Watchdog Timer

HA16129FPJ
RES Delay Time and Disable Time (t_RES) vs.
Rf Resistance Characteristics
10000
Ta = 25°C, Cf = 3300pF, R_R = 180kΩ,
C_R = 0.1µF, R_T = 390kΩ
5000
C_RES = 0.01µF
1000
500
C_RES = 1500pF
100
C_RES = 560pF
50
10
10
50
100
Rf Resistance (kΩ)
500 1000
Output Voltage vs.
Roadj Resistance (to Ground) Characteristics
6.0
Ta = 25°C, V_CC = 12V, Cf = 3300pF, Rf = 180kΩ,
C_R = 0.1µF, R_R = 180kΩ, R_T = 390kΩ, C_RES = 1500pF
5.8
5.6
V_CC Vout
V
5.4
Voadj
Roadj
5.2
5.0
4.8
100
500 1000
5000 →•
Roadj Resistance (to Ground) (kΩ)
Rev.3.00 Jun 15, 2005 page 20 of 22