YGV629 Datasheet, PDF (21/26 Pages) YAMAHA CORPORATION – VC1 Video Controller 1

YGV629









z Pattern Memory Interface
No.
Items
1 MA24-0 : output delay time from SYCLK
2 MOE_N : output delay time from SYCLK
3 MWE_N : output delay time from SYCLK
4 MD15-0 : input setup time to SYCLK
5 MD15-0 : input hold time from SYCLK
6 MD15-0 : output delay time from SYCLK
7 MA24-0 : hold time from MOE_N
8 MD15-0 : input hold time from MOE_N, MA
9 MA24-0 : hold time from MWE_N
10 MD15-0 : hold time from MWE_N
11 MD15-0 : turn off time from MWE_N
12 Output turn off/on time from /RAHZ
Note1) SYCLK is an internal clock.
Symbol
t_dMA
t_dOE
t_dWE
t_sMD
t_hMD
t_dMD
t_hMAR
t_hMDI
t_hMAW
t_hMDO
t_offMDO
t_on/offRA
Min.
2
2
4
0
0
0
1
1
1
Typ.
Max.
16
11
11
24
Unit Note
1
1
1
1
1
ns ¹
6
25
ɾMemory Access Cycle (Random Read Cycle)
SYCLK
1
MA24-0
2
MOE_N
MWE_N
MD15-0
1
2
7
3
8
4
5
ɾMemory Access Cycle (Write Cycle)
SYCLK
1
MA24-0
MOE_N
3
MWE_N
6
MD15-0
1
2
9
3
11
10
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4GV629A50