V53C816H データシートの表示（PDF） - Mosel Vitelic Corporation

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V53C816H

512K X 16 FAST PAGE MODE CMOS DYNAMIC RAM

Mosel Vitelic Corporation  

MOSEL VITELIC

Waveforms of CAS-before-RAS Refresh Counter Test Cycle

RAS VIH

V IL

CAS VIH

V IL

ADDRESS VIH

V IL

READ CYCLE

WE VIH

V IL

OE VIH

V IL

VIH

I/O

V IL

WRITE CYCLE

WE VIH

V IL

OE VIH

V IL

I/O VIH

V IL

t CHR (49)

t CSR (47)

tRAS (1)

t CP(43)

tRSH (W)(25)

tCAS (5)

t RCS (7)

tWCS (27)

tROH (16)

t OAC (17)

t LZ (21)

t RWL (31)

tCWL (26)

t WCH (28)

DOUT

tDS (32)

tDH (33)

D IN

V53C816H

t RP (3)

t RRH (15)

t RCH (14)

t HZ (22)

t HZ (22)

816H-12

Waveforms of CAS-before-RAS Refresh Cycle

V IH

RAS

V IL

V IH

CAS

V IL

I/O V OH

V OL

t RP (3)

t RPC (48)

t CP (43)

t HZ (22)

t RC (2)

t RAS (1)

t CSR (47)

t CHR (49)

NOTE: WE, OE, A0–A8 = Don’t care

t RP (3)

816H-13

V53C816H Rev. 1.3 February 1999

Don’t Care

Undefined

13

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