MB89160 데이터 시트보기 (PDF) - Fujitsu
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MB89160 Datasheet PDF : 53 Pages
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MB89160/160A Series
(5) Serial I/O Timing
Parameter
Serial clock cycle time
SCK ↓ → SO time
Valid SI → SCK ↑
SCK ↑ → valid SI hold time
Serial clock “H” pulse width
Serial clock “L” pulse width
SCK ↓ → SO time
Valid SI → SCK ↑
SCK ↑ → valid SI hold time
Symbol
tSCYC
tSLOV
tIVSH
tSHIX
tSHSL
tSLSH
tSLOV
tIVSH
tSHIX
(VCC = +5.0 V ±10%, AVSS = VSS = 0.0 V, TA = –40°C to +85°C)
Value
Pin
Condition
Unit Remarks
Min. Max.
SCK
2 tinst*
—
µs
SCK, SO Internal clock –200 200 ns
SI, SCK operation
1/2 tinst* —
µs
SCK, SI
1/2 tinst* —
µs
SCK
SCK, SO
SI, SCK
External
clock
operation
1 tinst*
—
µs
1 tinst*
—
µs
0
200 ns
1/2 tinst* —
µs
SCK, SI
1/2 tinst* —
µs
* : For information on tinst, see “(4) Instruction Cycle.”
Internal Clock Operation
SCK
0.8 V
tSCYC
2.4 V
0.8 V
tSLOV
SO
2.4 V
0.8 V
SI
External Clock Operation
SCK
tIVSH
0.8 VCC
0.2 VCC
tSHIX
0.8 VCC
0.2 VCC
tSLSH
0.2 VCC
0.2 VCC
tSHSL
0.8 VCC
0.8 VCC
tSLOV
SO
2.4 V
0.8 V
tIVSH
tSHIX
SI
0.8 VCC
0.8 VCC
0.2 VCC
0.2 VCC
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