V53C806H50 Просмотр технического описания (PDF) - Mosel Vitelic, Corp

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V53C806H50

HIGH PERFORMANCE 1M x 8 BIT FAST PAGE MODE CMOS DYNAMIC RAM

Mosel Vitelic, Corp 

MOSEL VITELIC

Waveforms of CAS-before-RAS Refresh Counter Test Cycle

RAS V IH

V IL

CAS V IH

V IL

t RAS (1)

t CHR (49)

tCSR (47)

t CP (43)

t RSH (W)(25)

t CAS (5)

ADDRESS V IH

V IL

READ CYCLE

WE V IH

V IL

OE V IH

V IL

I/O V IH

V IL

WRITE CYCLE

WE V IH

V IL

t RCS (7)

t WCS (27)

t ROH (16)

t OAC (17)

t LZ (21)

t RWL (31)

t CWL (26)

t WCH (28)

DOUT

OE V IH

V IL

I/O V IH

V IL

t DS (32)

t DH (33)

D IN

V53C806H

t RP (3)

t RRH (15)

t RCH (14)

t HZ (22)

t HZ (22)

t HZ (22)

806H-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 –A 9 = Don’t care

t RP (3)

806H-13

V53C806H Rev. 1.6 April 1998

Don’t Care

Undefined

12

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