參數(shù)資料
型號(hào): MB90443GPF
元件分類: 微控制器/微處理器
英文描述: 16-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP100
封裝: PLASTIC, QFP-100
文件頁(yè)數(shù): 39/64頁(yè)
文件大?。?/td> 1375K
代理商: MB90443GPF
MB90440G Series
44
DS07-13716-3E
(5) Bus Timing (Read)
(VCC
= 4.5 V to 5.5 V, VSS = 0.0 V, TA = 40 °C to +105 °C)
Parameter
Symbol
Pin
Value
Unit
Remarks
Min
Max
ALE pulse width
tLHLL
ALE
tCP
/ 2 20
ns
Valid address
→ ALE ↓ time
tAVLL
ALE, A16 to A23,
AD00 to AD15
tCP
/ 2 20
ns
ALE
↓ → Address valid time
tLLAX
ALE,
AD00 to AD15
tCP
/ 2 15
ns
Valid address
→ RD ↓ time
tAVRL
A16 to A23,
AD00 to AD15,
RD
tCP
15
ns
Valid address
→ Valid data
input
tAVDV
A16 to A23,
AD00 to AD15
5 tCP
/ 2 60
ns
RD pulse width
tRLRH
RD
3 tCP
/ 2 20
ns
RD
↓ → Valid data input
tRLDV
RD,
AD00 to AD15
3 tCP
/ 2 60
ns
RD
↑ → Data hold time
tRHDX
RD,
AD00 to AD15
0
ns
RD
↑ → ALE ↑ time
tRHLH
RD, ALE
tCP
/ 2 15
ns
RD
↑ → Address valid time
tRHAX
RD, A16 to A23
tCP
/ 2 10
ns
Valid address
→ CLK ↑ time
tAVCH
A16 to A23,
AD00 to AD15,
CLK
tCP
/ 2 20
ns
RD
↓ → CLK ↑ time
tRLCH
RD, CLK
tCP
/ 2 20
ns
ALE
↓ → RD ↓ time
tLLRL
ALE, RD
tCP
/ 2 15
ns
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