參數(shù)資料
型號(hào): MB90V540G
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(yè)數(shù): 42/56頁(yè)
文件大小: 757K
代理商: MB90V540G
MB90540/545 Series
42
(5) Bus Timing (Read)
(V
CC
=
4.5 V to 5.5 V, V
SS
=
0 V, T
A
=
40
°
C to
+
85
°
C)
Value
Parameter
Symbol
Pin
Condition
Units 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 toA16,
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
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
t
RHLH
RD, ALE
t
CP
/2
15
ns
RD
Address valid time
t
RHAX
RD, A23 to
A16
t
CP
/2
10
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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