參數(shù)資料
型號(hào): MB90P678PF
元件分類: 微控制器/微處理器
英文描述: 16-BIT, OTPROM, 16 MHz, MICROCONTROLLER, PQFP100
封裝: PLASTIC, QFP-100
文件頁數(shù): 95/106頁
文件大小: 1648K
代理商: MB90P678PF
MB90670/675 Series
89
(7) Bus Write Timing
(AVCC = VCC = 2.7 V to 5.5 V, AVSS = VSS = 0.0 V, TA = –40
°C to +85°C)
*: For tCP (internal operating clock cycle time), refer to “(3) Clock Timing”.
Parameter
Symbol
Pin name
Condition
Value
Unit Remarks
Min.
Max.
Effective address
→ WR
↓ time
tAVWL
A19 to A00
1 tCP – 15
ns
WR pulse width
tWLWH
WR
3 tCP*/2 – 20
ns
Write data
→ WR ↑ time tDVWH
AD15 to AD00
3 tCP*/2 – 20
ns
WR
↑ → data hold time
tWHDX
AD15 to AD00 VCC = 5.0 V
±10%
20
ns
tWHDX
AD15 to AD00 VCC = 3.0 V
±10%
30
ns
WR
↑ → address disap-
pear time
tWHAX
A19 to A00
1 tCP*/2 – 10
ns
WR
↑ → ALE ↑ time
tWHLH
WRL, ALE
1 tCP*/2 – 15
ns
WR
↓ → CLK ↑ time
tWLCH
WRH, CLK
1 tCP*/2 – 20
ns
CLK
2.4 V
tWLCH
ALE
WRL, WRH
A19 to A16
2.4 V
0.8 V
AD15 to AD00
Address
Write data
tWHLH
tAVWL
tWLWH
tDVWH
tWHDX
tWHAX
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
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