V53C8258HK45 データシートの表示（PDF） - Mosel Vitelic Corporation

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V53C8258HK45

HIGH PERFORMANCE 256K X 8 EDO PAGE MODE CMOS DYNAMIC RAM

Mosel Vitelic Corporation  

MOSEL VITELIC

V53C8258H

Waveforms of Hidden Refresh Cycle (Read)

RAS

CAS

ADDRESS

WB/WE

OE

I/O

V IH

V IL

V IH

V IL

V IH

V IL

V IH

V IL

V IH

V IL

V OH

V OL

t RAS (1)

t AR (23)

tRC (2)

tRP (3)

t RCD (6)

tCRP (13)

tRSH (R)(12)

tRC (2)

t RAS (1)

t RP (3)

tCHR (49)

t CRP (13)

tASR (8)

t RAH (9)

ROW

ADD

tRCS (7)

t RAD (24)

t ASC (10)

COLUMN

ADDRESS

t CAH (11)

t RRH (15)

t CAA (20)

t OAC (17)

t HZ (22)

t CAC (18)

t LZ (21)

t RAC (19)

tHZ (22)

VALID DATA

tHZ (22)

2736 15

Waveforms of Hidden Refresh Cycle (Write)

V IH

RAS

V IL

CAS V IH

V IL

ADDRESS V IH

V IL

V IH

WE

V IL

V IH

OE V IL

V IH

I/O

V IL

t RAS (1)

tAR (23)

tRC (2)

t RP (3)

t RCD (6)

t CRP (13)

t RSH (12)

tASR (8)

t RAH (9)

ROW

ADD

t WCS (27)

tRAD (24)

t ASC (10)

t CAH (11)

COLUMN

ADDRESS

t WCH (28)

t WSR

t RWH

t DS (32)

t DH (33)

VALID DATA-IN

t MH

t MS

t DHR (46)

V53C8258H Rev. 1.4 February 1997

14

t RC (2)

t RAS (1)

t RP (3)

t CHR (49)

t CRP (13)

Don’t Care

2736 16

Undefined

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