參數(shù)資料
型號: MB89W689CF
元件分類: 微控制器/微處理器
英文描述: 8-BIT, UVPROM, 8 MHz, MICROCONTROLLER, CQFP100
封裝: CERAMIC, QFP-100
文件頁數(shù): 24/43頁
文件大?。?/td> 697K
代理商: MB89W689CF
30
MB89680 Series
(5) Serial I/O Timing
(AVCC = VCC = 5.0 V
±10%, VSS = 0.0 V, TA = –40°C to +85°C)
* : For information on tinst, see “(4) Instruction Cycle.”
Parameter
Symbol
Pin name
Condition
Value
Unit
Remarks
Min.
Max.
Serial clock cycle time
tSCYC
BSK/UCK
Internal shift
clock mode
2 tinst*
s
BSK/UCK
↓ → BSO/UO
time
tSLOV
BSK/UCK,
BSO/UO
–200
200
ns
Valid BSI/UI
→ BSK/UCK ↑ tIVSH
BSI/UI,
BSK/UCK
1/2 tinst*
s
BSK/UCK
↑ → valid BSI/UI
hold time
tSHIX
BSK/UCK,
BSI/UI
1/2 tinst*
s
Serial clock “H” pulse width
tSHSL
BSK/UCK
External shift
clock mode
1 tinst*
s
Serial clock “L” pulse width
tSLSH
BSK/UCK
1 tinst*
s
BSK/UCK
↓ → BSO/UO
time
tSLOV
BSK/UCK,
BSO/UO
0
200
ns
Valid BSI/UI
→ BSK/UCK ↑ tIVSH
BSI/UI,
BSK/UCK
1/2 tinst*
s
BSK/UCK
↑ → valid BSI/UI
hold time
tSHIX
BSK/UCK,
BSI/UI
1/2 tinst*
s
tSCYC
tSLOV
tSHIX
tIVSH
BSK/UCK
2.4 V
0.8 V
2.4 V
0.8 V
0.8 VCC
0.2 VCC
0.8 VCC
0.2 VCC
BSO/UO
BSI/UI
tSLSH
tSLOV
tSHIX
tIVSH
BSK/UCK
0.8 VCC
0.2 VCC
2.4 V
0.8 V
0.8 VCC
0.2 VCC
0.8 VCC
0.2 VCC
BSO/UO
BSI/UI
0.2 VCC
tSHSL
0.8 VCC
Internal shift clock mode
External shift clock mode
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