參數(shù)資料
型號: MB89855
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): 30/51頁
文件大小: 798K
代理商: MB89855
30
MB89860/850 Series
(7) 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)
* :For information on t
inst
, see “(4) Instruction Cycle.”
Parameter
Symbol
Pin
Condition
Value (10 MHz)
Unit
Remarks
Min.
Max.
Valid address
RD
time
t
AVRL
RD A15 o A08,
AD7 to AD0
Load
condition:
50 pF
1/4
inst
* – 64 ns
ns
RD pulse width
Valid address
data
read time
RD
data read time
RD
data hold time
RD
ALE
time
RD
address nvalid ime t
RHAX
RD
CLK
time
CLK
RD
time
RD
BUFC
time
t
RLRH
RD
1/2
inst
* – 20 ns
ns
t
AVDV
AD7 o AD0, A15
to A08
1/2 t
inst
*
ns
No wait
t
RLDV
RD AD7 o AD0
1/2
inst
* – 80 ns
ns
No wait
t
RHDX
AD7 o AD0, RD
0
ns
t
RHLH
RD, ALE
1/4
inst
* – 40 ns
ns
RD A15 to A08
1/4
inst
* – 40 ns
ns
t
RLCH
RD, CLK
1/4
inst
* – 60 ns
ns
t
CLRH
0
ns
t
RLBL
RD, BUFC
–5
ns
BUFC
valid
address time
t
BHAV
A15 to A08,
AD7 to AD0,
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
RLDV
t
RHAX
t
RLRH
t
AVRL
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