MB89051PFM View Datasheet(PDF) - 3M
Part Name
Description
MFG CO.
'MB89051PFM' PDF : 40 Pages View PDF
MB89051 Series
(6) 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
Pin name
SCK1, SCK2
SCK1, SO1,
SCK2, SO2
SCK1, SI1,
SCK2, SI2
SCK1, SI1,
SCK2, SI2
SCK1, SCK2
SCK1, SCK2
SCK1, SO1,
SCK2, SO2
SCK1, SI1,
SCK2, SI2
SCK1, SI1,
SCK2, SI2
(VCC = 5.0 V, Vss = 0V, TA = −40 °C to +85 °C)
Condition
Value
Min
Max
Unit Remarks
2 tinst*
µs
Internal
shift clock
mode
−200
200
+200
ns
ns
200
tinst*
tinst*
External
0
shift clock
mode
200
ns
µs
µs
200
ns
µs
200
µs
* : For information on tinst, see “ (4) Instruction Cycle”.
• Internal shift clock mode
tSCYC
SCK1
SCK2
2.9
0.6
0.6
tSLOV
SO1
SO2
2.9
0.6
tIVSH
tSHIX
SI1
2.9
2.9
SI2
0.6
0.6
• External shift clock mode
SCK1
0.6
SCK2
SO1
SO2
SI1
SI2
tSLSH
tSHSL
2.9
2.9
0.6
tSLOV
2.9
0.6
tIVSH
2.9
0.6
tSHIX
2.9
0.6
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