參數(shù)資料
型號(hào): MB89860
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): 31/51頁(yè)
文件大小: 353K
代理商: MB89860
31
MB89860/850 Series
(8) 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)
*1: For information on t
inst
, see “(4) Instruction Cycle.”
*2: These characteristics are also applicable to the bus read timing.
Parameter
Symbol
Pin
Condition
Value (10 MHz)
Unit
Remarks
Min.
Max.
Valid address
ALE
time
t
AVLL
AD7 to AD0,
ALE, A15 to
A08
Load
condition:
50 pF
1/4 t
inst*1
– 64 ns
ns
ALE
time
address
invalid time
t
LLAX
5
ns
Valid address
WR
time
t
AVWL
WR, ALE
1/4 t
inst*1
– 60 ns
ns
WR pulse width
Write data
WR
time t
DVWH
t
WLWH
WR
1/2 t
inst*1
– 20 ns
ns
AD7 to AD0, WR
1/2 t
inst*1
– 60 ns
ns
WR
address invalid time
WR
data hold time
WR
ALE
time
WR
CLK
time
CLK
WR
time
ALE pulse width
t
WHAX
WR, A15 to A08
1/4 t
inst*1
– 40 ns
ns
t
WHDX
AD7 to AD0, WR
1/4 t
inst*1
– 40 ns
ns
t
WHLH
WR, ALE
1/4 t
inst*1
– 40 ns
ns
t
WLCH
WR, CLK
1/4 t
inst*1
– 60 ns
ns
t
CLWH
0
ns
t
LHLL
ALE
t
XCYL
– 35 ns
*2
ns
ALE
CLK
time
t
LLCH
ALE, CLK
t
XCYL
– 35 ns
*2
ns
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
WHLH
t
LLCH
t
LHLL
t
DVWH
t
WHDX
t
WLCH
t
WLWH
t
WHAX
t
AVWL
t
AVLL
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