V53C16256SH Просмотр технического описания (PDF) - Mosel Vitelic, Corp

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V53C16256SH

256K X 16 FAST PAGE MODE CMOS DYNAMIC RAM WITH SELF REFRESH

Mosel Vitelic, Corp 

MOSEL VITELIC

V53C16256SH

Waveforms of Fast Page Mode Read-Write Cycle

RAS VIH

VIL

V

UCAS, LCAS 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)

16256L-11

Waveforms of RAS-Only Refresh Cycle

RAS VIH

V IL

UCAS, LCAS 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)

16256L-12

V53C16256SH Rev. 0.1 December 1998

12

Don’t Care

Undefined

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