參數(shù)資料
型號(hào): MB89P625R
廠商: Fujitsu Limited
英文描述: 8-Bit Proprietary Microcontroller(8位專(zhuān)用微控制器)
中文描述: 8位微控制器專(zhuān)利(8位專(zhuān)用微控制器)
文件頁(yè)數(shù): 38/62頁(yè)
文件大小: 1058K
代理商: MB89P625R
38
MB89620R Series
(7) Bus Write 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
*1: For information on t
inst
, see “(4) Instruction Cycle.”
*2: These characteristics are also applicable to the bus read timing.
Parameter
Symbol
Pin name
Condition
Unit Remarks
Min.
Max.
Valid address
ALE
time
t
AVLL
AD7 to AD0,
ALE, A15 to A08
1/4 t
inst
*
1
– 64 ns
μ
s
ALE
time
address
invalid time
t
LLAX
AD7 to AD0,
ALE, A15 to A08
5
ns
Valid address
WR
time
WR pulse width
t
AVWL
WR, ALE
1/4 t
inst
*
1
– 60 ns
μ
s
μ
s
μ
s
ns
t
WLWH
WR
1/2 t
inst
*
1
– 20 ns
Write data
WR
time
WR
↑ →
address invalid time t
WHAX
WR
↑ →
data hold time
WR
↑ →
ALE
time
WR
↓ →
CLK
time
CLK
↓ →
WR
time
ALE pulse width
t
DVWH
AD7 to AD0, WR
1/2 t
inst
*
1
– 60 ns
WR, A15 to A08
1/4 t
inst
*
1
– 40 ns
t
WHDX
AD7 to AD0, WR
1/4 t
inst
*
1
– 40 ns
μ
s
μ
s
μ
s
ns
μ
s
μ
s
t
WHLH
WR, ALE
1/4 t
inst
*
1
– 40 ns
t
WLCH
WR, CLK
1/4 t
inst
*
1
– 40 ns
t
CLWH
0
t
LHLL
ALE
1/4 t
inst
*
1
– 35 ns*
2
ALE
↓ →
CLK
time
t
LLCH
ALE,CLK
1/4 t
inst
*
1
– 30 ns*
2
ALE
AD
A
WR
CLK
2.4 V
0.8 V
0.8 V
2.4 V
0.8 V
2.4 V
0.8 V
2.4 V
0.8 V
2.4 V
0.8 V
2.4 V
0.8 V
t
CLWH
2.4 V
0.8 V
2.4 V
0.8 V
2.4 V
0.8 V
t
LLAX
t
LHLL
t
LLCH
t
WHLH
t
AVLL
t
DVWH
t
WHDX
t
WLCH
t
WHAX
t
AVWL
t
WLWH
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