參數(shù)資料
型號: KM4216C258
廠商: SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述: 256K x 16 Bit CMOS Video RAM(256K x 16 位 CMOS視頻RAM)
中文描述: 256K × 16位的CMOS視頻RAM(256K × 16位的CMOS視頻內(nèi)存)
文件頁數(shù): 30/41頁
文件大?。?/td> 772K
代理商: KM4216C258
KM4216C258
CMOS VIDEO RAM
Rev. 0.1 (Mar. 1998)
FAST PAGE MODE EARLY WRITE CYCLE
RAS
V
IH
-
V
IL
-
V
IH
-
V
IL
-
V
IH
-
V
IL
-
t
RASP
t
RP
Don
t care
V
OH
-
V
OL
-
OPEN
V
IH
-
V
IL
-
WB/WE
DSF
A
0
~A
8
IN
OUT
t
CRP
t
RCD
t
CSH
t
CP
t
CAS
t
CP
t
CAS
t
RSH
t
HPC
t
ASR
t
RAH
t
RAL
t
RAD
t
ASC
t
CAH
t
ASC
t
CAH
t
ASC
t
CAH
t
RAL
V
IH
-
V
IL
-
V
IH
-
V
IL
-
DT/OE
V
IH
-
V
IL
-
t
WSR
t
RWH
t
WP
t
CWL
t
WP
t
CWL
t
WP
t
CWL
t
THS
t
THH
t
WCS
t
WCH
t
WCS
t
WCH
t
WCS
t
WCH
t
FSR
t
RFH
t
CFH
t
FSC
t
FSC
t
CFH
t
FSC
t
CFH
*4
*4
*4
*2
t
MS
t
MH
t
DH
t
DS
t
DS
t
DH
t
DS
t
DH
*5
*5
*5
*3
Note : In Block Write cycle, only Column Address A
3
~ A
8
are used.
*1
Row
Row
Column
Address
Column
Address
Column
Address
W
0
/DQ
0
~
W
15
/DQ
15
t
CAS
CASL
CASU
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