HA16129FPJ Datasheet, PDF (18/23 Pages) Hitachi Semiconductor – Single Watchdog Timer

HA16129FPJ
Clock Off Time (toff) vs. R_R Resistance Characteristics
1000
Ta = 25°C, Rf = 180kΩ, Cf = 3300pF,
C_RES = 1500pF, R_T = 390kΩ
C_R = 0.47µF
500
C_R = 0.1µF
100
50
C_R = 0.033µF
10
10
50
100
R_R Resistance (kΩ)
500 1000
Reset Pulse High Time (t_RH) vs. R_R Resistance Characteristics
Ta = 25°C, Rf = 180kΩ, Cf = 3300pF,
1000 ^{RT = 390kΩ, CRES = 1500pF}
C_R = 0.47µF
500
C_R = 0.1µF
100
50
C_R = 0.033µF
10
5
1
10
50
100
500 1000
R_R Resistance (kΩ)
Rev.3.00 Jun 15, 2005 page 18 of 22