參數(shù)資料
型號(hào): MB89W625R
廠商: Fujitsu Limited
英文描述: 8-Bit Proprietary Microcontroller(8位專用微控制器)
中文描述: 8位微控制器專利(8位專用微控制器)
文件頁數(shù): 37/62頁
文件大?。?/td> 1058K
代理商: MB89W625R
37
MB89620R Series
(6) Bus Read Timing
(V
CC
= +5.0 V
±
10%, F
C
= 10 MHz, AV
SS
= V
SS
= 0.0 V, T
A
= –40
°
C to +85
°
C)
Value
*: For information on t
inst
, see “(4) Instruction Cycle.”
Parameter
Symbol
Pin name
Condition
Unit
Remarks
Min.
Max.
Valid address
RD
time
t
AVRL
RD, A15 to A08,
AD7 to AD0
1/4 t
inst
*– 64 ns
μ
s
RD pulse width
t
RLRH
RD
1/4 t
inst
*– 20 ns
μ
s
Valid address
data read time
t
AVDV
AD7 to AD0,
A15 to A08
1/2 t
inst
*
μ
s
In the case
of no wait
RD
data read time
t
RLDV
RD, AD7 to AD0
1/2 t
inst
*– 80 ns
μ
s
In the case
of no wait
RD
↑ →
data hold time
RD
↑ →
ALE
time
RD
↑ →
address invalid time
RD
↓ →
CLK
time
CLK
RD
time
RD
↓ →
BUFC
time
t
RHDX
AD7 to AD0, RD
0
μ
s
μ
s
μ
s
μ
s
ns
μ
s
t
RHLH
RD, ALE
1/4 t
inst
*– 40 ns
t
RHAX
RD, A15 to A08
1/4 t
inst
*– 40 ns
t
RLCH
RD, CLK
1/4 t
inst
*– 40 ns
t
CLRH
0
t
RLBL
RD, BUFC
–5
BUFC
valid address time
t
BHAV
A15 to A08, AD7 to
AD0, BUFC
5
μ
s
ALE
AD
A
RD
BUFC
CLK
2.4 V
0.8 V
0.8 V
2.4 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
0.8 V
2.4 V
0.8 V
2.4 V
0.8 V
2.4 V
2.4 V
0.8 V
t
RHDX
t
BHAV
t
RLBL
t
CLRH
t
RHLH
t
AVDV
t
AVRL
t
RLCH
t
RLRH
t
RHAX
t
RLDV
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