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