S-77100 Datasheet, PDF (9/40 Pages) Seiko Instruments Inc – POWER SEQUENCER

Rev.1.0_01
POWER SEQUENCER
S-77100/77101 Series
Off period
On-sequence period
ON
CDLY
ENBL_A
ENBL_B
ENBL_C
ENBL_D
n times^*1
2.5 V : I/O
Power-good period
Off-sequence period
n times^*1
1.8 V : LOGIC
1.5 V : MEMORY
1.1 V : CORE
Off period
tDLY
tDLY
tDLY
tDLY
tDLY
tDLY
tDLY
tDLY
*1. Selectable as the option: 2 times / 4 times / 8 times / 16 times
Figure 6 Timing Chart (S-77100A: Reverse Type)
Off period
On-sequence period
ON
CDLY
ENBL_A
ENBL_B
ENBL_C
ENBL_D
n times^*1
2.5 V : I/O
Power-good period
Off-sequence period
n times^*1
1.8 V : LOGIC
1.5 V : MEMORY
1.1 V : CORE
Off period
tDLY
tDLY
tDLY
tDLY
tDLY
tDLY
tDLY
tDLY
*1. Selectable as the option: 2 times / 4 times / 8 times / 16 times
Figure 7 Timing Chart (S-77100B: Forward type)
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