S-19400 Datasheet, PDF (26/36 Pages) Seiko Instruments Inc – Watchdog operation voltage range

FOR AUTOMOTIVE 125°C OPERATION LOW CURRENT CONSUMPTION WATCHDOG TIMER WITH RESET FUNCTION
S-19400/19401 Series
Rev.2.1_00
8. Reset time-out period (t_RST) vs. C_POR
V_DD = 5.0 V, Ta = +25°C
10
1
0.1
0.01
0.001
0.0001
0.0001 0.001 0.01
0.1
1
CPOR [F]
9. Watchdog time-out period (t_WDU) vs. C_WDT
V_DD = 5.0 V, Ta = +25°C
100
10
1
0.1
0.01
0.001
0.0001 0.001 0.01
0.1
1
CWDT [F]
10. Nch driver output current (I_WOUT) vs. Input voltage (V_DD)
V_DS = 0.4 V, −V_DET(S) = 4.0 V
6.0
Ta = +25C
4.0
Ta = 40C
2.0
Ta = +125C
0.0
0
1
2
3
4
5
VDD [V]
26