SM8702AM
I2C serial interface electrical characteristics
Ta = 0 to 70°C, VDD = 3.3V ± 5%, VSS = 0V, fX’tal = 14.318MHz, CL = 30pF unless otherwise noted.
Parameter
Serial clock frequency
Serial clock start state hold time
Serial clock LOW -level pulsewidth
Serial clock HIGH-level pulsewidth
Successive start state setup time
Data hold time
Data input setup time
Pulse rise time
Pulse fall time
Stop state setup time
Serial data bus buffer time
Bus line load capacitance
Symbol
Condition
fS C L K
tH D ; S TA
tL OW
tH I G H
tS U ; S TA
tH D ; DAT
tS U ; D AT
tr
tf
tS U ; S T O
tB U F
Cb
I2C standard mode
I2C device data
Rating
Unit
min
typ
max
0
–
100
kHz
4.0
–
–
µs
4.7
–
–
µs
4.0
–
–
µs
4.7
–
–
µs
0
–
3.45
µs
250
–
–
ns
–
–
1000
ns
–
–
300
ns
4.0
–
–
µs
4.7
–
–
µs
–
–
400
pF
SDATA
tf
SCLK
tHD;STA
tr
tLOW
tHD;DAT
tSU;DAT
tf
tHD;STA
tHIGH
tSU;STA
I2C serial data timing
tBUF
tr
tSU;STO
NIPPON PRECISION CIRCUITS—10