HA16129FPJ Datasheet, PDF (19/23 Pages) Hitachi Semiconductor – Single Watchdog Timer

HA16129FPJ
Reset Pulse Low Time (t_RL) vs.
R_R Resistance Characteristics
1000
Ta = 25°C, Rf = 180kΩ, Cf = 3300pF,
R_T = 390kΩ, C_RES = 1500pF
500
C_R = 0.47µF
100
C_R = 0.1µF
50
10
C_R = 0.033µF
5
1
10
50
100
500 1000
R_R Resistance (kΩ)
RES Delay Time and Recovery Time (tr) vs.
Rf Resistance Characteristics
10000
Ta = 25°C, Cf = 3300pF, R_R = 180kΩ,
5000 ^{RT = 390kΩ, CR = 0.1µF}
C_RES = 0.01µF
1000
500
C_RES = 1500pF
100
C_RES = 560pF
50
10
10
50
100
Rf Resistance (kΩ)
500 1000
Rev.3.00 Jun 15, 2005 page 19 of 22