參數(shù)資料
型號(hào): MB89PV670A
廠(chǎng)商: Fujitsu Limited
元件分類(lèi): 8位微控制器
英文描述: 8-bit Proprietary Microcontroller
中文描述: 8位微控制器專(zhuān)有
文件頁(yè)數(shù): 37/59頁(yè)
文件大小: 795K
代理商: MB89PV670A
37
MB89670/A Series
(7) Bus Read Timing
(AV
CC
= V
CC
= +5.0 V
±
10%, 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
Condition
Unit
Remarks
Min.
Max.
Valid address
RD
time
RD pulse width
Valid address
Data
read time
RD
↓ →
Data read time
RD
↑ →
Data hold time
RD
↑ →
ALE
time
t
AVRL
RD, A15 to 08,
AD7 to 0
1/4 t
inst
* – 0.06
μ
s
t
RLRH
RD
1/2 t
inst
*– 0.02
μ
s
t
AVDV
AD7 to 0,
A15 to 08
1/2 t
inst
*
μ
s
Wait
t
RLDV
RD, AD7 to 0
1/2 t
inst
*– 0.08
μ
s
ns
μ
s
μ
s
μ
s
ns
No wait
t
RHDX
AD7 to 0, RD
0
t
RHLH
RD, ALE
1/4 t
inst
* – 0.04
RD
↑ →
Address loss time
t
RHAX
RD
↓ →
CLK
time
CLK
↓ →
RD
time
RD
↓ →
BUFC
time
RD, A15 to 08
1/4 t
inst
* – 0.04
t
RLCH
RD, CLK
1/4 t
inst
* – 0.04
t
CLRH
RD, CLK
0
t
RLBL
RD, BUFC
–5
ns
BUFC
↑ →
Valid
address time
t
BHAV
A15 to 08,
AD7 to 0,
BUFC
5
ns
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
RLCH
t
RHAX
t
RLDV
t
AVRL
t
RLRH
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