參數(shù)資料
型號: MB90550A
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): 39/58頁
文件大?。?/td> 695K
代理商: MB90550A
MB90550A/550B Series
39
(6) Bus Write Timing
(V
CC
= 5.0 V±10%, V
SS
= AV
SS
= 0.0 V, T
A
=
40
°
C to +85
°
C)
Value
Parameter
Symbol
Pin name
Unit
Remarks
Min.
Max.
Effective address
WR
time
t
AVWL
A23 to A16, AD15 to
AD00, WRH, WRL
t
CP
– 15
ns
WR pulse width
t
WLWH
WRH, WRL
3 t
CP
/2 – 20
ns
valid data output
WR
time
t
DVWH
AD15 to AD00,
WRH, WRL
3 t
CP
/2 – 20
ns
WR
↑ →
data hold time
t
WHDX
AD15 to AD00,
WRH, WRL
20
ns
Multiplex
mode
WR
↑ →
address effective time
t
WHAX
A23 to A16,
WRH, WRL
t
CP
/2 – 10
ns
WR
↑ →
ALE
time
WR
↓ →
CLK
time
t
WHLH
WRH, WRL, ALE
t
CP
/2 – 15
ns
t
WLCH
WRH, WRL, CLK
t
CP
/2 – 20
ns
t
WLCH
t
WHLH
t
WLWH
t
AVWL
t
DVWH
t
WHDX
t
WHAX
2.4 V
2.4 V
2.4 V
0.8 V
2.4 V
0.8 V
2.4 V
0.8 V
2.4 V
0.8 V
2.4 V
0.8 V
2.4 V
0.8 V
CLK
ALE
WR
(WRL, WRH)
A23 to A16
AD15 to AD00
Multiplex mode
Address
Write data
Bus write timing
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