參數(shù)資料
型號(hào): MB89P647PF
廠商: FUJITSU LTD
元件分類: 微控制器/微處理器
英文描述: 8-bit Proprietary Microcontroller
中文描述: 8-BIT, OTPROM, 10 MHz, MICROCONTROLLER, PQFP80
封裝: PLASTIC, QFP-80
文件頁數(shù): 38/59頁
文件大?。?/td> 774K
代理商: MB89P647PF
38
MB89640 Series
(8) Bus Write Timing
(V
CC
= +5.0 V±10%, F
CH
= 10 MHz, AV
SS
= V
SS
= 0.0 V, T
A
= –40
°
C to +85
°
C)
Value
Min.
AD7 to 0, ALE,
A15 to 08
AD7 to 0, ALE,
A15 to 08
WR, ALE
1/4 t
inst*1
– 60 ns
WR
1/2 t
inst*1
– 20 ns
*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
Unit
Remarks
Max.
Valid address
ALE
time
t
AVLL
1/4 t
inst*1
– 64 ns
*2
ns
ALE
address invalid time
t
LLAX
5
ns
*2
Valid address
WR
time
WR pulse width
Write data
WR
time
WR
address invalid time
WR
data hold time
WR
ALE
time
WR
CLK
time
CLK
WR
time
ALE pulse width
ALE
CLK
time
t
AVWL
t
WLWH
t
DVWH
t
WHAX
t
WHDX
t
WHLH
t
WLCH
t
CLWH
t
LHLL
t
LLCH
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
AD7 to 0, WR
1/2 t
inst*1
– 60 ns
WR, A15 to 08
1/4 t
inst*1
– 40 ns
AD7 to 0, WR
WR, ALE
WR, CLK
WR, CLK
ALE
ALE, CLK
1/4 t
inst*1
– 40 ns
1/4 t
inst*1
– 40 ns
1/4 t
inst*1
– 40 ns
0
1/4 t
inst*1
– 35 ns
*2
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
t
CLWH
t
WHAX
2.4 V
0.8 V
t
AVWL
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
LLAX
t
WHLH
t
LLCH
t
LHLL
t
AVLL
t
DVWH
t
WHDX
t
WLWH
t
WLCH
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