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PRELIMINARY
CY2545
CY2547
Document #: 001-13196 Rev. **
Page 10 of 17
Serial Programming Interface Timing Specifications
Parameter
Description
Min
Max
Unit
fSCL
Frequency of SCL
–
400
kHz
Start Mode Time from SDA LOW to SCL LOW
0.6
–
μs
CLKLOW
SCL LOW Period
1.3
–
μs
CLKHIGH
SCL HIGH Period
0.6
–
μs
tSU
Data Transition to SCL HIGH
100
–
ns
tDH
Data Hold (SCL LOW to data transition)
0
–
ns
Rise Time of SCL and SDA
–
300
ns
Fall Time of SCL and SDA
–
300
ns
Stop Mode Time from SCL HIGH to SDA HIGH
0.6
–
µs
Stop Mode to Start Mode
1.3
–
µs
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