km416c254d Samsung Semiconductor, Inc., km416c254d Datasheet - Page 18

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

KM416C254D, KM416V254D
WORD READ - MODIFY - WRITE CYCLE
DQ8 ~ DQ15
DQ0 ~ DQ7
UCAS
LCAS
RAS
OE
W
A
V
V
V
V
I/OH
I/OL
V
V
V
V
I/OH
I/OL
V
V
V
V
V
V
V
V
IH
IL
IH
IL
IH
IL
IH
IL
IH
IL
IH
IL
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
t
t
CRP
CRP
t
ASR
ADDR.
ROW
t
RAH
t
RAD
t
t
RCD
RCD
t
ADDRESS
ASC
COLUMN
t
t
t
t
CLZ
RAC
CLZ
RAC
t
t
OLZ
OLZ
t
t
t
CAH
AA
AA
t
t
CAC
CAC
t
OEA
t
RWD
t
VALID
DATA-OUT
VALID
DATA-OUT
AWD
t
RAS
t
CWD
t
CSH
t
t
t
t
RSH
RSH
OED
OED
t
t
OEZ
OEZ
t
RWC
t
t
CAS
CAS
t
t
DS
DS
VALID
DATA-IN
VALID
DATA-IN
t
t
DH
DH
t
WP
t
CWL
t
RWL
t
RP
CMOS DRAM
Don t care
Undefined