參數(shù)資料
型號: MB90570
廠商: Fujitsu Limited
英文描述: Hex Schmitt-trigger Inverters 14-CDIP -55 to 125
中文描述: 16位微控制器專有
文件頁數(shù): 90/120頁
文件大?。?/td> 1754K
代理商: MB90570
MB90570 Series
90
(6) Bus Read Timing
(AV
CC
= V
CC
= 5.0 V
±
10%, AV
SS
= V
SS
= 0.0 V, T
A
= –40
°
C to +85
°
C)
* : For t
CP
(internal operating clock cycle time), refer to “(3) Clock Timings.”
Parameter
Symbol
Pin name
Condition
Value
Unit Remarks
Min
Max
ALE pulse width
t
LHLL
ALE
1 t
CP
*/2 – 20
ns
Effective address
ALE
time
t
AVLL
ALE,
A23 to A16,
AD15 to AD00
1 t
CP
*/2 – 20
ns
ALE
address
effective time
t
LLAX
ALE,
AD15 to AD00
1 t
CP
*/2 – 15
ns
Effective address
RD
time
t
AVRL
RD,
A23 to A16,
AD15 to AD00
1 t
CP
* – 15
ns
Effective address
valid data input
t
AVDV
A23 to A16,
AD15 to AD00
5 t
CP
*/2 – 60
ns
RD pulse width
t
RLRH
RD
3 t
CP
*/2 – 20
ns
RD
valid data input
t
RLDV
RD,
AD15 to AD00
3 t
CP
*/2 – 60
ns
RD
data hold time
t
RHDX
RD,
AD15 to AD00
0
ns
RD
ALE
time
RD
address
effective time
t
RHLH
ALE, RD
1 t
CP
*/2 – 15
ns
t
RHAX
ALE,
A23 to A16
1 t
CP
*/2 – 10
ns
Effective address
CLK
time
t
AVCH
CLK,
A23 to A16,
AD15 to AD00
1 t
CP
*/2 – 20
ns
RD
CLK
time
ALE
RD
time
t
RLCH
CLK, RD
1 t
CP
*/2 – 20
ns
t
ALRL
ALE, RD
1 t
CP
*/2 – 15
ns
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