LH6V4256K-10 View Datasheet(PDF) - Sharp Electronics

Part Name

Description

MFG CO.

LH6V4256K-10

CMOS 1M(256K x 4) dynamic RAM

Sharp Electronics 

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LH6V4256

CMOS 1M (256K × 4) Dynamic RAM

tRC

tRAS

tRP

RAS

VIH

VIL

A0 - A8

VIH

VIL

tASR tRAH

ROW

ADDRESS

NOTE: CAS = 'H,' WE, OE = Don't Care

Figure 13. RAS Only Refresh Cycle

6V4256-14

VIH

RAS VIL

VIH

CAS VIL

tRC

tRAS

tCSR

tCHR

tRPCN

tRP

tRPCP

NOTE: WE, OE, A0 - A8 = Don't Care

Figure 14. CAS Before RAS Refresh Cycle

6V4256-15

2-28

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