參數(shù)資料
型號: MB89T637RPF
廠商: Electronic Theatre Controls, Inc.
元件分類: 8位微控制器
英文描述: 8-bit Proprietary Microcontroller
中文描述: 8位微控制器專有
文件頁數(shù): 36/59頁
文件大小: 864K
代理商: MB89T637RPF
MB89630R Series
36
(6) Bus Read Timing
(V
CC
= 5.0 V
±
10%, 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
Valid address
data read
time
RD
data read time
t
RLRH
RD
1/2 t
inst
*– 20 ns
μ
s
t
AVDV
AD7 to AD0,
A15 to A08
1/2 t
inst
*
200
μ
s
No wait
t
RLDV
RD, AD7 to AD0
1/2 t
inst
*– 80 ns
120
μ
s
No wait
RD
↑ →
data hold time
t
RHDX
AD7 to AD0,
RD
0
μ
s
RD
↑ →
ALE
time
RD
↑ →
address loss time
RD
↓ →
CLK
time
CLK
RD
time
RD
↓ →
BUFC
time
t
RHLH
RD, ALE
1/4 t
inst
*– 40 ns
μ
s
μ
s
μ
s
ns
μ
s
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
BUFC
A
AD
ALE
CLK
RD
0.8 V
0.8 V
0.8 V
0.8 V
2.4 V
2.4 V
0.8V
2.4V
t
CLRH
0.8 V
2.4 V
0.8 V
2.4 V
0.8 V
2.4 V
0.8 V
2.4 V
2.4 V
0.3 V
CC
0.7 V
CC
0.3 V
CC
0.7 V
CC
t
RHDX
t
RLBL
t
BHAV
t
RHLH
t
AVDV
t
RLCH
t
RHAX
t
RLDV
t
RLRH
t
AVRL
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