参数资料
型号: MB89673RPFM
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 10 MHz, MICROCONTROLLER, PQFP80
封装: PLASTIC, LQFP-80
文件页数: 31/59页
文件大小: 795K
代理商: MB89673RPFM
37
MB89670R/670AR Series
(6) Bus Read Timing
(AVCC = VCC = 5.0 V
±10%, AVSS = VSS = 0.0 V, TA = –40°C to +85°C)
* : For information on tinst, see “(4) Instruction Cycle.”
Parameter
Symbol
Pin name
Condition
Rated value
Unit
Remarks
Min.
Max.
Valid address
→ RD
↓ time
tAVRL
RD, A15 to A08,
AD7 to AD0
1/4 tinst* – 0.06
s
RD pulse width
tRLRH
RD
1/2 tinst *– 0.02
s
Valid address
→ Data
read time
tAVDV
AD7 to AD0,
A15 to A08
1/2 tinst *
s
No wait
RD
↓ → Data read time tRLDV
RD, AD7 to AD0
1/2 tinst *– 0.08
s
No wait
RD
↑ → Data hold time tRHDX
AD7 to AD0, RD
0—
ns
RD
↑ → ALE ↑ time
tRHLH
RD, ALE
1/4 tinst* – 0.04
s
RD
↑ → Address loss
time
tRHAX
RD, A15 to A08
1/4 tinst* – 0.04
s
RD
↓ → CLK ↑ time
tRLCH
RD, CLK
1/4 tinst* – 0.04
s
CLK
↓ → RD ↑ time
tCLRH
RD, CLK
0—
ns
RD
↓ → BUFC ↓ time
tRLBL
RD, BUFC
–5
ns
BUFC
↑ → Valid
address time
tBHAV
A15 to A08,
AD7 to AD0,
BUFC
5—
ns
ALE
AD
A
RD
BUFC
CLK
2.4 V
0.8 V
2.4 V
0.8 V
0.7 VCC
0.3 VCC
0.7 VCC
0.3 VCC
2.4 V
0.8 V
2.4 V
0.8 V
2.4 V
0.8 V
2.4 V
0.8 V
2.4 V
0.8 V
tRHDX
tBHAV
tRLBL
tCLRH
tRHLH
tAVDV
tRLCH
tRHAX
tRLDV
tAVRL
tRLRH
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