參數(shù)資料
型號(hào): MB90553B
廠(chǎng)商: Fujitsu Limited
英文描述: Hex Schmitt-trigger Inverters 20-LCCC -55 to 125
中文描述: 16位微控制器專(zhuān)有
文件頁(yè)數(shù): 38/58頁(yè)
文件大小: 695K
代理商: MB90553B
MB90550A/550B Series
38
(5) Bus Read 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.
ALE pulse width
t
LHLL
ALE
t
CP
/2
20
ns
Effective address
ALE
time
t
AVLL
ALE, A23 to A16,
AD15 to AD00
t
CP
/2
20
ns
ALE
address effective time
t
LLAX
ALE, AD15 to AD00
t
CP
/2
15
ns
Effective address
RD
time
t
AVRL
A23 to A16,
AD15 to AD00, RD
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
RD
valid data input
RD
data hold time
RD
ALE
time
RD
address effective 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
t
CP
/2
10
ns
t
RHAX
ALE, A23 to A16
ns
Effective address
CLK
time
t
AVCH
A23 to A16,
AD15 to AD00, CLK
t
CP
/2
20
ns
RD
CLK
time
ALE
RD
time
t
RLCH
RD, CLK
t
CP
/2
20
t
CP
/2
15
ns
t
LLRL
ALE, RD
ns
CLK
ALE
A23 to A16
AD15 to AD00
RD
t
AVCH
t
LHLL
t
AVLL
t
RLRH
t
RHAX
t
RHDX
t
RLDV
t
AVRL
t
AVDV
t
RHLH
t
RLCH
2.4 V
2.4 V
2.4 V
0.8 V
2.4 V
2.4 V
2.4 V
0.8 V
0.8 V
0.7 V
CC
0.3 V
CC
0.7 V
CC
0.3 V
CC
2.4 V
0.8 V
2.4 V
0.8 V
2.4 V
0.8 V
2.4 V
t
LLAX
t
LLRL
Bus read timing
Multiplex mode
Address
Read data
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