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): 39/41頁
文件大?。?/td> 772K
代理商: KM4216C258
KM4216C258
CMOS VIDEO RAM
Rev. 0.1 (Mar. 1998)
Don
t care
SPLIT READ TRANSFER CYCLE
RAS
V
IH
-
V
IL
-
V
IH
-
V
IL
-
WB/WE
V
IH
-
V
IL
-
A
0
~A
8
V
IH
-
V
IL
-
t
ASR
t
RAH
t
ASC
t
CAH
t
RP
t
RC
t
RAS
t
CRP
t
RAD
t
CAS
t
CSH
t
RAL
t
RCD
t
RSH
Row
Address
SAM Start
Address(P)
A
0
~A
7
: TAP
A
8
: Don't care
t
WSR
t
RWH
t
TLS
t
TLH
t
FSR
n+1
(n+257)
t
RFH
t
STS
t
STH
t
SQD
t
SQD
511
(255)
n
(n+256)
P+256
(P)
510
(254)
255
(511)
511
(255)
254
(510)
n
(n+256)
Lower SAM 0-255
Upper SAM 256-511
V
IH
-
V
IL
-
DT/OE
V
IH
-
V
IL
-
DSF
V
IH
-
V
IL
-
SC
V
OH
-
V
OL
-
SQ
0
~SQ
15
V
OH
-
V
OL
-
QSF
Note : SE = V
IL
CASL
CASU
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