參數(shù)資料
型號(hào): MB90246A
廠商: Fujitsu Limited
英文描述: 16-bit Proprietary Microcontroller
中文描述: 16位微控制器專有
文件頁數(shù): 66/100頁
文件大?。?/td> 1956K
代理商: MB90246A
66
MB90246A Series
(4) Bus Write Timing
(AV
CC
= V
CC
= 4.5 V to 5.5 V, AV
SS
= V
SS
= 0.0 V, T
A
= –30
°
C to +70
°
C)
N: Stands for the number of wait cycles. With no wait, N is set at “0”. (The number of wait cycles depends on an
automatic wait and external RDY.)
* :For t
CYC
(cycle time (machine cycle)), see paragraph (4), “Clock output timing.”
Parameter
Symbol
Pin name
Condition
Value
Unit
Remarks
Min.
1 t
CYC
*/
2 – 20
(N + 1)
×
1 t
CYC*
* – 25
(N + 1)
×
1 t
CYC
* – 40
1 t
CYC
*/
2 – 20
1 t
CYC
*/
2 – 20
1 t
CYC
*/
2 – 25
Max.
Effective address
WRL, WRH
time
t
AVWL
A00 to A23
V
CC
= 5.0 V ±10%
ns
WRL, WRH pulse width
t
WLWH
WRL, WRH
ns
Write data
WRL,
WRH
time
WRL, WRH
↑ →
data
hold time
WRL, WRH
↑ →
address effective time
WRL, WRH
↓ →
CLK
time
t
DVWH
D15 to D00
ns
t
WHDX
D15 to D00
V
CC
= 5.0 V
±
10%
ns
t
WHAX
A00 to A23
ns
t
WLCL
WRL, CLK
ns
CLK
WRL, WRH
A00 to A23
D00 to D15
t
WLCL
t
AVWL
t
WLWH
2.4 V
0.2 V
2.4 V
0.8 V
0.8 V
2.4 V
0.8 V
Write data
t
WHAX
t
DVWH
t
WHDX
2.4 V
0.8 V
2.4 V
0.2 V
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