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| K4F661612C Datasheet, PDF (33/35 Pages) Samsung semiconductor – 4M x 16bit CMOS Dynamic RAM with Fast Page Mode | |||
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K4F661612C, K4F641612C
HIDDEN REFRESH CYCLE ( WRITE )
NOTE : DOUT = OPEN
CMOS DRAM
VIH -
RAS
VIL -
VIH -
UCAS
VIL -
VIH -
LCAS
VIL -
VIH -
A
VIL -
VIH -
W
VIL -
VIH -
OE
VIL -
DQ0 ~ DQ7
VIH -
VIL -
DQ8 ~ DQ15
VIH -
VIL -
tCRP
tRC
tRAS
tRP
tRC
tRP
tRAS
tRCD
tRSH
tCHR
tCRP
tRCD
tRSH
tRAD
tASR
tRAH tASC
ROW
ADDRESS
tRAL
tCAH
COLUMN
ADDRESS
tWCS
tWCH
tWP
tCHR
tWRH
tWRP
tDS
tDH
DATA-IN
tDS
tDH
DATA-IN
Donâ²t care
Undefined
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