參數(shù)資料
型號: MB89673RPF
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 10 MHz, MICROCONTROLLER, PQFP80
封裝: PLASTIC, QFP-80
文件頁數(shù): 32/59頁
文件大?。?/td> 795K
代理商: MB89673RPF
38
MB89670R/670AR Series
(7) Bus Write Timing
(AVCC = VCC = 5.0 V
±10%, AVSS = VSS = 0.0 V, TA = –40°C to +85°C)
*1: These characteristics are also applicable to the bus read timing.
*2: For information on tinst, see “(4) Instruction Cycle.”
Parameter
Symbol
Pin name
Condition
Rated value
Unit
Remarks
Min.
Max.
Valid address
→ ALE
↓ time
tAVLL
AD7 to AD0,
ALE, A15 to A08
1/4 tinst* 2 – 0.064
s
ALE
↓ time →
Address loss time
tLLAX
AD7 to AD0,
ALE, A15 to A08
5*1
—ns
Valid address
→ WR ↓ time tAVWL
WR, ALE
1/4 tinst* 2 – 0.06
s
WR pulse width
tWLWH
WR
1/2 tinst* 2 – 0.02
s
Writing data
→ WR ↑ time tDVWL
AD7 to AD0, WR
1/2 tinst* 2 – 0.06
s
WR
↑ → Address loss
time
tWHAX
WR, A15 to A08
1/4 tinst* 2 – 0.04
s
WR
↑ → Data hold time tWHDX
AD7 to AD0, WR
1/4 tinst* 2 – 0.04
s
WR
↑ → ALE ↑ time
tWHLH
WR, ALE
1/4 tinst* – 0.04
s
WR
↓ → CLK ↑ time
tWLCH
WR, CLK
1/4 tinst* 2 – 0.04
s
CLK
↓ → WR ↑ time
tCLWH
WR, CLK
0—
ns
ALE pulse width
tLHLL
ALE
1/4 tinst* 2 – 0.035
s
ALE
↓ → CLK ↑ time
tLLCH
ALE, CLK
1/4 tinst* 2 – 0.03
s
ALE
AD
A
WR
CLK
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
2.4 V
0.8 V
tCLWH
2.4 V
0.8 V
2.4 V
0.8 V
2.4 V
0.8 V
tLLAX
tWLWH
tDVWH
tLHLL
tLLCH
tWHLH
tAVLL
tWHDX
tWLCH
tWHAX
tAVWL
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