參數(shù)資料
型號: VCT3801A
廠商: MICRONAS SEMICONDUCTOR HOLDING AG
英文描述: Video/Controller/Teletext IC Family
中文描述: 視頻/控制/圖文電視IC系列
文件頁數(shù): 166/172頁
文件大小: 2243K
代理商: VCT3801A
VCT 38xxA
ADVANCE INFORMATION
166
Micronas
6.7.3.24. Memory Port
Fig. 6–33:
Memory port timing
Symbol
Parameter
Pin Name
Min.
Typ.
Max.
Unit
Test Conditions
t
CYC
PH2 Cycle Time
-
98.77
-
ns
t
ADS
Address Setup Time
ADB[18-0]
-
15
+ 0.5
20
30
19
+ 0.7
26
40
ns
ns/pf
ns
ns
C
ADB
= 0 pF
C
ADB
= 10 pF
C
ADB
= 30 pF
t
ADH
Address Hold Time
-
8
10
ns
C
ADB
= 10 pF
t
DWS
Data Write Setup Time
DB[7:0]
-
9
+ 0.5
14
24
14
+ 0.7
21
35
ns
ns/ pF
ns
ns
C
DB
= 0 pF
C
DB
= 10 pF
C
DB
= 30 pF
t
DWH
Data Write Hold Time
-
6
8
ns
C
DB
= 0 pF
t
DRS
Data Read Setup Time
12
-
-
ns
t
DRH
Data Read Hold Time
6
-
-
ns
t
ENS
Enable Setup Time
OE1Q
OE2Q
WE1Q
WE2Q
-
6
10
ns
C
OEQ,WEQ
= 0 pF
t
ENH
Enable Hold Time
-
6
9
ns
C
OEQ,WEQ
= 0 pF
PH2
DB[7:0]
DB[7:0]
WRITE DATA
READ DATA
ADB[18:0]
t
ADH
t
ADS
t
ACC
t
DRS
t
DRH
t
DWH
t
DWS
t
ENH
t
ENS
WEQ,
OEQ
t
cyc
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