UPD4992GS Просмотр технического описания (PDF) - NEC => Renesas Technology

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UPD4992GS

8-Bit Parallel I/O Calendar Clock

NEC => Renesas Technology 

WRITE CYCLE TIMING WAVEFORMS 1

tWC

ADDRESS

RD

CS

WR

DOUT

DIN

tAS

tOHZ

tAW

tCW

tWP

tWR

tDW

tDH

WRITE CYCLE TIMING WAVEFORMS 2 (RD = VIL)

ADDRESS

CS

WR

DOUT

DIN

tWC

tAW

tCW

tAS

tWP

tWR

tWHZ

tOW

tDW

tDH

µPD4992

4

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