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K4F660412D Datasheet, PDF (18/20 Pages) Samsung semiconductor – 16M x 4bit CMOS Dynamic RAM with Fast Page Mode
K4F660412D,K4F640412D
HIDDEN REFRESH CYCLE ( WRITE )
NOTE : DOUT = OPEN
CMOS DRAM
VIH -
RAS
VIL -
VIH -
CAS
VIL -
VIH -
A
VIL -
VIH -
W
VIL -
VIH -
OE
VIL -
DQ0 ~ DQ3(7)
VIH -
VIL -
tRC
tRAS
tRC
tRP
tRAS
tRP
tCRP
tRCD
tRSH
tASR
tRAD
tRAH
tASC
ROW
ADDRESS
tWCS
tCAH
COLUMN
ADDRESS
tRAL
tWCH
tWP
tCHR
tWRH
tWRP
tDS
tDH
DATA-IN
Don′t care
Undefined