S-8426AAA-J8T1X Datasheet, PDF (15/37 Pages) Seiko Instruments Inc – BATTERY BACKUP SWITCHING IC

Rev.2.0_02
BATTERY BACKUP SWITCHING IC
S-8426A Series
 Application Circuits
1. When Using Timer Micro controllers for Backup to display PREEND in the primary CPU
6V
3V
+
10 μF
10 μF
1 kΩ
VOUT
+ ^VIN _S-8426A
Series ^CS
VBAT
PREEND
100 kΩ
0.1 μF
+ ^VRO
10 μF
RESET
VSS
100 kΩ
100 kΩ
VCC
CS
Timer
microcontroller
RESET
VCC
RESET
Main
CPU
INT
Address data
Figure 18 Application Circuit 1
15