參數(shù)資料
型號: MB90346CEPF
元件分類: 微控制器/微處理器
英文描述: MICROCONTROLLER, PQFP100
封裝: 14 X 20 MM, 3.35 MM HEIGHT, 0.65 MM PITCH, PLASTIC, QFP-100
文件頁數(shù): 53/84頁
文件大小: 1142K
代理商: MB90346CEPF
MB90340E Series
57
(5) Bus Timing (Read)
(TA
= 40 °C to +105 °C, VCC = 5.0 V ± 10%, VSS = 0.0 V, fCP ≤ 24 MHz)
Parameter
Symbol
Pin
Condition
Value
Unit
Min
Max
ALE pulse width
tLHLL
ALE
tCP/2
10
ns
Valid address
ALE
↓ time
tAVLL
ALE, A23 to A16,
AD15 to AD00
tCP/2
20
ns
ALE
↓ →
Address valid time
tLLAX
ALE, AD15 to AD00
tCP/2
15
ns
Valid address
RD
↓ time
tAVRL
A23 to A16,
AD15 to AD00, RD
tCP
15
ns
Valid address
Valid data input
tAVDV
A23 to A16,
AD15 to AD00
5 tCP/2
60
ns
RD pulse width
tRLRH
RD
3 tCP/2
20
ns
RD
↓ → Valid data input
tRLDV
RD, AD15 to AD00
3 tCP/2
50
ns
RD
↑ → Data hold time
tRHDX
RD, AD15 to AD00
0
ns
RD
↓ → ALE ↑ time
tRHLH
RD, ALE
tCP/2
15
ns
RD
↑ → Address valid time
tRHAX
RD, A23 to A16
tCP/2
10
ns
Valid address
CLK
↑ time
tAVCH
A23 to A16,
AD15 to AD00, CLK
tCP/2
16
ns
RD
↓ → CLK ↑ time
tRLCH
RD, CLK
tCP/2
15
ns
ALE
↓ → RD ↓ time
tLLRL
ALE, RD
tCP/2
15
ns
A23 to A16
0.8 V
2.4 V
0.8 V
tRHAX
AD15 to AD00
0.8 V
2.4 V
0.8 V
Address
VIL
VIH
VIL
Read data
tRHDX
tRLDV
tAVDV
CLK
tAVCH
2.4 V
tRLCH
2.4 V
ALE
2.4 V
tLHLL
2.4 V
tRHLH
0.8 V
tLLAX
2.4 V
tAVLL
RD
tLLRL
tRLRH
0.8 V
2.4 V
tAVRL
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