S-19400 Datasheet, PDF (14/36 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
VDD
CPOR
CWDT
WDO A
WDI
WEN
W/T
VSS
VDD
CPOR
CWDT
WDO A
WDI
WEN
W/T
VSS
Figure 20 Test Circuit 13
VDD
CPOR
CWDT ^WDO
A WEN, WDI, W / T
+
V
VSS
Figure 21 Test Circuit 14
Figure 22 Test Circuit 15
14