V53C16258SLT50 Просмотр технического описания (PDF) - Mosel Vitelic, Corp

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V53C16258SLT50

HIGH PERFORMANCE 3.3 VOLT 256K X 16 EDO PAGE MODE CMOS DYNAMIC RAM OPTIONAL SELF REFRESH

Mosel Vitelic, Corp 

MOSEL VITELIC

Waveforms of CAS-before-RAS Refresh Counter Test Cycle

V53C16258L

RAS

VIH

V IL

UCAS, LCAS

ADDRESS

WE

VIH

V IL

VIH

V IL

READ CYCLE

VIH

V IL

OE

VIH

V IL

I/O

VOH

VOL

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 RP (3)

t RCS (7)

tWCS (27)

tROH (16)

t OAC (17)

t LZ (21)

t RWL (31)

tCWL (26)

t WCH (28)

DOUT

t RRH (15)

t RCH (14)

t HZ (22)

t HZ (22)

tDS (32)

tDH (33)

D IN

676 12

Waveforms of CAS-before-RAS Refresh Cycle

RAS V IH

V IL

CAS V IH

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)

Don’t Care

675 07

Undefined

V53C16258L Rev. 1.1 June 1999

13

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