参数资料
型号: MB90F498GPMC
元件分类: 微控制器/微处理器
英文描述: 16-BIT, FLASH, 16 MHz, MICROCONTROLLER, PQFP64
封装: 12 X 12 MM, 1.70 MM HEIGHT, 0.65 MM PITCH, PLASTIC, LFQFP-64
文件页数: 70/96页
文件大小: 2317K
代理商: MB90F498GPMC
MB90495G Series
72
DS07-13713-6E
(5) Bus Read Timing
(VCC
= 5.0 V±10%, VSS = 0.0 V, TA = 40 °C to +105 °C)
Parameter
Symbol
Pin Name
Value
Unit
Remarks
Min
Max
ALE pulse width
tLHLL
ALE
tCP/2
20
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
60
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
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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