S-77100 Datasheet, PDF (2/40 Pages) Seiko Instruments Inc – POWER SEQUENCER

POWER SEQUENCER
S-77100/77101 Series
 Block Diagrams
1. S-77100 Series
Rev.1.0_01
ON
CDLY
VDD
VSS
Status control circuit
Comparator
Charge /
discharge
selection
circuit
Latch
circuit
UVLO
*1
ENBL_A
ENBL_B
ENBL_C
ENBL_D
*1. Selectable as the option
2. S-77101 Series
Figure 1
ON
OFF
Status control circuit
CDLY
VDD
VSS
Comparator
Charge /
discharge
selection
circuit
Latch
circuit
UVLO
*1
ENBL_A
ENBL_B
ENBL_C
*1. Selectable as the option
2
Figure 2