km416c254d Samsung Semiconductor, Inc., km416c254d Datasheet - Page 32

• Manufacturer Part Number: km416c254d
• Description: 256k X 16bit Cmos Dynamic Ram With Extended Data Out
• Manufacturer: Samsung Semiconductor, Inc.

KM416C254D, KM416V254D
HIDDEN REFRESH CYCLE ( READ )
DQ8 ~ DQ15
DQ0 ~ DQ7
UCAS
LCAS
RAS
OE
W
A
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
OH
OL
OH
OL
IH
IL
IH
IL
IH
IL
IH
IL
IH
IL
IH
IL
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
t
t
ASR
t
CRP
ADDRESS
CRP
ROW
t
RAH
OPEN
OPEN
t
RAD
t
t
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ASC
RCD
RCD
t
RCS
t
t
RAS
RAC
t
CLZ
ADDRESS
t
COLUMN
RC
t
RAL
t
t
CAH
AA
t
t
RSH
RSH
t
CAC
t
t
OEA
OLZ
t
RP
DATA-IN
DATA-OUT
DATA-OUT
t
t
CHR
CHR
t
WRH
t
t
RAS
OEZ
t
RC
t
WEZ
CMOS DRAM
t
RP
Don t care
Undefined
t
REZ
t
CEZ