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): 38/41頁
文件大?。?/td> 772K
代理商: KM4216C258
KM4216C258
CMOS VIDEO RAM
Rev. 0.1 (Mar. 1998)
REAL TIME READ TRANSFER CYCLE
Don
t care
RAS
V
IH
-
V
IL
-
V
IH
-
V
IL
-
WB/WE
V
IH
-
V
IL
-
A
0
~A
8
V
IH
-
V
IL
-
Row
Address
SAM Start
Address(P)
A
0
~A
8
: TAP
t
TLS
t
FSR
Valid
Data Out
V
IH
-
V
IL
-
DT/OE
V
IH
-
V
IL
-
DSF
SC
SQ
0
~SQ
15
V
OH
-
V
OL
-
QSF
Valid
Data Out
Valid
Data Out
Valid
Data Out
Valid
Data Out
Valid
Data Out
t
RAS
t
CRP
t
RP
t
RAH
t
ASR
t
RAD
t
RAL
t
ASC
t
CAH
t
TRP
t
ATH
t
CTH
t
TP
t
RTH
t
RFH
t
OFF
New Row Data
Previous Row Data
TAP MSB(A
S
)
Note : SE = V
IL
V
IH
-
V
IL
-
V
OH
-
V
OL
-
W
0
/DQ
0
~W
15
/DQ
15
t
SCC
t
SCP
t
SC
t
SCA
t
SOH
t
SOH
t
TQD
t
TSL
t
TSD
t
SCA
t
SOH
t
SCC
t
SCP
t
SC
P
P+1
P+2
t
WSR
t
RWH
t
CSH
t
RCD
t
CAS
t
RSH
t
RC
V
OH
-
V
OL
-
CASL
CASU
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