V53C16256HT45I データシートの表示（PDF） - Mosel Vitelic Corporation

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V53C16256HT45I

256K x 16 FAST PAGE MODE CMOS DYNAMIC RAM

Mosel Vitelic Corporation  

MOSEL VITELIC

V53C16256H

Waveforms of Fast Page Mode Read-Write Cycle

RAS VIH

VIL

V

CAS IH

VIL

V

ADDRESS IH

VIL

V

WE

IH

VIL

V

OE

IH

VIL

VI/OH

I/O

VI/OL

tRAS (1)

tRCD (6)

t CSH (4)

tPCM (50)

t RAD (24)

tCAS (5)

tRAH (9)

tASC (10)

tASR (8)

tASC (10)

tCAH (11)

ROW

ADD

COLUMN

ADDRESS

tCP(43)

tCAS (5)

COLUMN

ADDRESS

tASC (10)

tCAH (11)

tRP (3)

tRSH (W)(25)

tCRP (13)

tCAS (5)

tCAR (44)

t CAH (11)

COLUMN

ADDRESS

t RCS (7)

tRWD (39)

t CWD (38)

tCWD (38)

t CWL (26)

t CWL (26)

t CWD (38)

tRWL(31)

tCWL (26)

tCAA (20)

t OAC (17)

tAWD (41)

tAWD (41)

t WP(29)

tOAC (17)

tAWD (41)

tWP (29)

tOAC (17)

tWP (29)

tOED (35)

tCAC (18)

tRAC (19)

tCAP (45)

tCAA (20)

tOED (35)

tCAC (18)

tHZ (22)

tDH (33)

tDS (32)

tCAP (45)

tCAA (20)

tHZ (22)

tDH (33)

tDS (32)

tOED (35)

tCAC (18)

tHZ (22)

tDH (33)

tDS (32)

OUT

IN

OUT

IN

OUT

IN

tLZ (21)

tLZ (21)

tLZ (21)

16256H-11

Waveforms of RAS-Only Refresh Cycle

RAS VIH

V IL

CAS VIH

V IL

ADDRESS VIH

V IL

tCRP (13)

tASR (8)

ROW ADDR

tRAH (9)

NOTE: WE, OE = Don’t care

tRC (2)

tRAS (1)

tRP (3)

16256H-12

V53C16256H Rev. 2.3 June 1998

Don’t Care

Undefined

13

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