参数资料
型号: MB90497GPFM
元件分类: 微控制器/微处理器
英文描述: 16-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP64
封装: PLASTIC, LQFP-64
文件页数: 69/90页
文件大小: 849K
代理商: MB90497GPFM
MB90495G Series
71
(5) Bus Read Timing
(VCC
= 4.5 V to 5.5 V, 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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相关代理商/技术参数
参数描述
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