參數(shù)資料
型號: MB89615RP-SH
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 10 MHz, MICROCONTROLLER, PDIP64
封裝: SHRINK, PLASTIC, DIP-64
文件頁數(shù): 21/44頁
文件大小: 665K
代理商: MB89615RP-SH
28
MB89610R Series
(7) Bus Write Timing
(VCC = +5.0 V
±10%, FC = 10 MHz, VSS = 0.0 V, TA = –40°C)
*1: For information on tinst, see “(4) Instruction Cycle.”
*2: These characteristics are also applicable to the bus read timing.
Parameter
Symbol
Pin
Condition
Value
Unit
Remarks
Min.
Max.
Valid address
→ ALE
↓ time
tAVLL
AD7 to 0,
ALE,
A15 to 08
1/4 tinst* – 64 ns*2
s
ALE
↓ time → address
invalid time
tLLAX
5*2
—ns
Valid address
→ WR ↓ time tAVWL
WR, ALE
1/4 tinst* – 60 ns*2
s
WR pulse width
tWLWH
WR
1/2 tinst* – 20 ns*2
s
Write data
→ WR ↑ time
tDVWH
AD7 to 0,
WR
1/2 tinst* – 60 ns*2
s
WR
↑ → address invalid time tWHAX
WR, A15 to
08
1/4 tinst* – 40 ns*2
s
WR
↑ → data hold time
tWHDX
AD7 to 0,
WR
1/4 tinst* – 40 ns*2
s
WR
↑ → ALE ↑ time
tWHLH
WR, ALE
1/4 tinst* – 40 ns*2
s
WR
↓ → CLK ↑ time
tWLCH
WR, CLK
1/4 tinst* – 40 ns*2
s
CLK
↓ → WR ↑ time
tCLWH
WR, CLK
0
—ns
ALE pulse width
tLHLL
ALE
1/4 tinst* – 35 ns*2
s
ALE
↓ → CLK ↑ time
tLLCH
ALE, CLK
1/4 tinst* – 30 ns*2
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
tAVLL
tLLAX
tWHLH
tWLWH
tDVWH
tWHDX
tLHLL
tLLCH
tAVWL
tWLCH
tWHAX
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