参数资料
型号: MB89T623PFV
元件分类: 微控制器/微处理器
英文描述: 8-BIT, 10 MHz, MICROCONTROLLER, PQFP64
封装: 0.50 MM PITCH, PLASTIC, SQFP-64
文件页数: 31/61页
文件大小: 934K
代理商: MB89T623PFV
MB89620 Series
37
(7) Bus Read Timing
(VCC = +5.0 V
±10%, FC = 10 MHz, AVSS = VSS= 0.0 V, TA = –40
°C to +85°C)
*: For information on tinst, see “(4) Instruction Cycle.”
Parameter
Symbol
Pin
Condition
Value
Unit Remarks
Min.
Max.
Valid address
→ RD ↓ time
tAVRL
RD, A15 to A08,
AD7 to AD0
1/4 tinst*– 64 ns
s
RD pulse width
tRLRH
RD
1/2 tinst*– 20 ns
s
Valid address
→ data
read time
tAVDV
AD7 to AD0,
A15 to A08
—1/2 tinst*
sNo wait
RD
↓ → data read time
tRLDV
RD, AD7 to AD0
1/2 tinst*– 80 ns
sNo wait
RD
↑ → data hold time
tRHDX
AD7 to AD0, RD
0—
s
RD
↑ → ALE ↑ time
tRHLH
RD, ALE
1/4 tinst*– 40 ns
s
RD
↑ → address invalid time tRHAX
RD, A15 to
A08
1/4 tinst*– 40 ns
s
RD
↓ → CLK ↑ time
tRLCH
RD, CLK
1/4 tinst*– 40 ns
s
CLK
↓ → RD ↑ time
tCLRH
0—
ns
RD
↓ → BUFC ↓ time
tRLBL
RD, BUFC
–5
s
BUFC
↑ → valid address time
tBHAV
A15 to A08, AD7
to AD0, BUFC
5—
s
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
tAVD
tAVRL
tRLCH
tRLRH
tRHAX
tRLDV
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