參數(shù)資料
型號: TMS416169P-70
廠商: Texas Instruments, Inc.
英文描述: 1048576-WORD BY 16-BIT EXTENDED DATA OUT HIGH-SPEED DRAMS
中文描述: 1048576字由16位擴(kuò)充數(shù)據(jù)輸出高速DRAM等
文件頁數(shù): 24/67頁
文件大小: 1464K
代理商: TMS416169P-70
TMS55160, TMS55161, TMS55170, TMS55171
262144 BY 16-BIT MULTIPORT VIDEO RAMS
SMVS464
MARCH1996
24
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251
1443
8-column block write (TMS5517x)
(continued)
DQ0
DQ1
DQ2
DQ3
4
5
6
7
Color Register
DQ4
DQ5
DQ6
DQ7
DQ8
DQ9
DQ10
DQ11
DQ12
DQ13
DQ14
DQ15
0
1
2
3
8
9
10
11
12
13
14
15
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
0
Lower Byte
Upper Byte
One Row of 0
511
C
W
W
C
1
2
3
4
5
6
7
0
8
9
10 11 12 13 14 15
Figure 14. 8-Column Block Write With Masks
Every eight adjacent columns makes a block resulting in 64 blocks along one row. Block 0 comprises
columns 0
7, block 1 comprises columns 8
15, block 2 comprises columns 16
23, etc., as shown in
Figure 15.
0
1
2
3
4
5
6
7
504
505
506
507 508
509
510
511
. . . . . . . . . . . . .
Columns
One Row of 0
511
Block 0
Block 63
Figure 15. 8-Column-Block Column-Organization
During 8-column block-write cycles, only the six most significant column addresses (A3
A8) are latched on the
falling edge of CASx to decode one of the 64 blocks. Address bits A0
A2 are ignored. Both bytes have the same
block selected.
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