km416c254d Samsung Semiconductor, Inc., km416c254d Datasheet - Page 17

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

KM416C254D, KM416V254D
UPPER BYTE WRITE CYCLE ( OE CONTROLLED WRITE )
NOTE : D
DQ8 ~ DQ15
DQ0 ~ DQ7
UCAS
LCAS
RAS
OE
W
OUT
A
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
IH
IL
IH
IL
IH
IL
IH
IL
IH
IL
IH
IL
IH
IL
IH
IL
= OPEN
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
t
t
t
ASR
CRP
CRP
ADDRESS
ROW
t
RAH
t
RAD
t
t
RCD
ASC
t
OED
ADDRESS
t
COLUMN
DS
t
CSH
DATA-IN
t
t
RAS
CAH
t
OEH
t
WP
t
DH
t
t
RSH
CAS
t
t
RAL
CWL
t
RC
t
RWL
t
CRP
t
RP
t
CRP
CMOS DRAM
Don t care
Undefined