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| HMS87C1304A Datasheet, PDF (63/70 Pages) Hynix Semiconductor – CMOS SINGLE-CHIP 8-BIT MICROCONTROLLER | |||
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HYUNDAI MicroElectronics
HMS87C1304A/HMS87C1302A
When PFDM = 1
VDD
Internal
RESET
VDD
Internal
RESET
VDD
Internal
RESET
VDD
When PFDM = 0
System
Clock
VDD
System
Clock
64mS
t < 64mS
64mS
64mS
Preliminary Figure 19-3 Power Fail Processor Situations
PFVDDMAX
PFVDDMIN
PFVDDMAX
PFVDDMIN
PFVDDMAX
PFVDDMIN
PFVDDMAX
PFVDDMIN
PFVDDMAX
PFVDDMIN
Jan. 2001
Preliminary
63
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