參數(shù)資料
型號(hào): MB90495G
廠商: Fujitsu Limited
英文描述: 16-bit Proprietary Microcontroller CMOS
中文描述: 16位微控制器專有的CMOS
文件頁數(shù): 72/92頁
文件大?。?/td> 450K
代理商: MB90495G
MB90495G Series
72
(5) Bus Read Timing
(V
CC
=
5.0 V
±
10
%
, V
SS
=
0.0 V, T
A
=
40
°
C to
+
105
°
C)
Value
Parameter
Symbol
Pin Name
Unit
Remarks
Min
Max
ALE pulse width
t
LHLL
ALE
t
CP
/2
20
ns
Valid address
ALE
time
t
AVLL
ALE, A23 to A16,
AD15 to AD00
t
CP
/2
20
ns
ALE
address valid time
t
LLAX
ALE, AD15 to
AD00
t
CP
/2
15
ns
Valid address
RD
time
t
AVRL
A23 to A16,
AD15 to AD00, RD
t
CP
15
ns
Valid 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 valid time
t
RLRH
RD
3 t
CP
/2
20
0
t
CP
/2
15
t
CP
/2
10
ns
t
RLDV
RD, AD15 to AD00
3 t
CP
/2
60
ns
t
RHDX
RD, AD15 to AD00
ns
t
RHLH
RD, ALE
ns
t
RHAX
RD, A23 to A16
ns
Valid 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
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