MB89538APFM 查看數據表（PDF） - Fujitsu
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MB89538APFM Datasheet PDF : 62 Pages
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MB89530A Series
(5) Serial I/O Timing
Parameter
Serial clock cycle time
SCK↓→SO
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
Sym-
bol
tSCYC
tSLOV
tIVSH
tSHIX
tSHSL
tSLSH
tSLOV
tIVSH
tSHIX
(VCC = 5.0 V, AVss = Vss = 0 V, TA = −40 °C to +85 °C)
Pin name
Condition
Value
Min
Max
Unit Remarks
SCK, UCK
2 tinst
µs
SCK, SO, UCK, UO Internal −200 +200 ns
clock
SI, SCK, UI, UCK operation 200
ns
SCK, SI, UCK, UI
200
ns
SCK, UCK
1 tinst
µs
External
1 tinst
µs
SCK, SO, UCK, UO clock
0
200
ns
SI, SCK, UI, UCK operation 200
ns
SCK, SI, UCK, UI
200
ns
Note : For tinst see “ (4) Instruction Cycle”.
Internal shift clock mode
SCK
UCK
SO
UO
SI
UI
0.8 V
tSLOV
tSCYC
2.4 V
2.4 V
0.8 V
tIVSH
0.8 VCC
0.2 VCC
tSHIX
0.8 VCC
0.2 VCC
0.8 V
External shift clock mode
SCK
UCK
SO
UO
SI
UI
tSLSH
0.2 VCC
tSLOV
0.2 VCC
tSHSL
0.8 VCC
0.8 VCC
2.4 V
0.8 V
tIVSH
0.8 VCC
0.2 VCC
tSHIX
0.8 VCC
0.2 VCC
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