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): 3/41頁
文件大小: 772K
代理商: KM4216C258
KM4216C258
CMOS VIDEO RAM
Rev. 0.1 (Mar. 1998)
FUNCTIONAL BLOCK DIAGRAM
T
RAS
CASL
DT/OE
WB/WE
DSF
SC
SE
I
O
W
0
/DQ
0
W
15
/DQ
15
-
-
-
-
-
-
COLOR
REGISTER
(16 BIT)
BLOCK
WRITE
CONTROL
16
OLD MASK
(16 BIT)
NEW MASK
(16 BIT)
WRITE
CONTROL
C
512
x16
512 x 512 x 16
CELL ARRAY
256
x16
256
x16
TRANSFER CONTROL
S
D
S
D
S
S
256
x16
256
x16
O
B
ROW DECODER
512
x16
SERIAL
ADDRESS
STOP REGISTER
QSF
REFRESH COUNTER
COLUMN ADDRESS
BUFFER (9 BIT)
ROW ADDRESS
BUFFER (9 BIT)
A
0
~ A
8
QSF
SQ
0
-
-
-
-
-
SQ
15
16
CASU
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