參數資料
型號: MB90F548GLSPF
元件分類: 微控制器/微處理器
英文描述: 16-BIT, FLASH, 16 MHz, MICROCONTROLLER, PQFP100
封裝: PLASTIC, QFP-100
文件頁數: 43/67頁
文件大?。?/td> 746K
代理商: MB90F548GLSPF
MB90540/540G/545/545G Series
48
(5) Bus Timing (Read)
(MB90F543/F549 : VCC
= 4.5 V to 5.5 V, VSS = 0.0 V, TA = 40 °C to +85 °C)
(MB90543G(S)/547G(S)/548G(S)/F548GL(S): VCC
= 3.5 V to 5.5 V, VSS = AVSS = 0.0 V, TA = 40 °C to +105 °C)
(Other than MB90F543/F549/543G(S)/547G(S)/548G(S)/F548GL(S):
VCC
= 5.0 V ± 10%, VSS = AVSS = 0.0 V, TA = 40 °C to +105 °C)
Parameter
Symbol
Pin name
Condition
Value
Units 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 toA23,
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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