LH5P1632D-80 데이터 시트보기 (PDF) - Sharp Electronics

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LH5P1632D-80

CMOS 512K (32K × 16) Pseudo-Static RAM

Sharp Electronics 

LH5P1632

CE

VIH

VIL

A0 - A7

VIH

VIL

LOE/RFSH VIH

UOE

VIL

LWR VIH

UWR VIL

I/O1 - I/O16 VOH

VOL

NOTE: A8 - A14 = Don't Care

tP

tAS

tAH

ADDRESS

INPUT

tOES

tRCS

CMOS 512K (32K × 16) Pseudo-Static RAM

tRC

tCE

tP

tOEH

tRCH

HIGH - Z

Figure 7. CE Only Refresh Cycle

5P1632-6

CE

VIH

VIL

LOE/RFSH

VIH

VIL

tRFD

tFC

tFAP

tFP

tFAP

tFCE

I/O1 - I/O16 VOH

VOL

HIGH - Z

NOTE: A0 - A14, LWR, UWR, UOE = Don't Care

Figure 8. Auto Refresh Cycle

5P1632-7

8

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