參數(shù)資料
型號(hào): MB90587
廠商: Fujitsu Limited
英文描述: Octal Bus Transceivers With 3-State Outputs 20-CFP -55 to 125
中文描述: 16位微控制器專有
文件頁數(shù): 85/124頁
文件大小: 2638K
代理商: MB90587
MB90580B Series
85
(5) Bus Timing (Read)
(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
Condition
Unit Remarks
Min.
Max.
ALE pulse width
Effective address
ALE
time
ALE
address
effective time
Effective address
RD
time
Effective address
valid data input
t
LHLL
ALE
t
CP
/2
20
ns
t
AVLL
ALE, A23 to A16,
AD15 to AD00
t
CP
/2
20
ns
t
LLAX
ALE, AD15 to AD00
t
CP
/2
15
ns
t
AVRL
A23 to A16,
AD15 to AD00, RD
t
CP
15
ns
t
AVDV
A23 to A16,
AD15 to AD00
5 t
CP
/2
60
ns
RD pulse width
RD
valid data
input
RD
data hold
time
RD
ALE
time
RD
address
effective time
Effective address
CLK
time
RD
CLK
time
ALE
RD
time
t
RLRH
RD
3 t
CP
/2
20
ns
t
RLDV
RD, AD15 to AD00
3 t
CP
/2
60
ns
t
RHDX
RD, AD15 to AD00
0
ns
t
RHLH
RD, ALE
t
CP
/2
15
ns
t
RHAX
ALE, A23 to A16
t
CP
/2
10
ns
t
AVCH
A23 to A16,
AD15 to AD00, CLK
t
CP
/2
20
ns
t
RLCH
RD, CLK
t
CP
/2
20
t
CP
/2
15
ns
t
LLRL
ALE, RD
ns
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