INF8574 データシートの表示（PDF） - IK Semicon Co., Ltd
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INF8574 Datasheet PDF : 11 Pages
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INF8574
I2C-BUS TIMING CHARACTERISTICS
SYMBOL
PARAMETER
I2C-BUS TIMING
fSCL
SCL clock frequency
tSW
tolerable spike width on bus
tBUF
bus free time
tSU;STA
start condition set-up time
tHD;STA
start condition hold time
tLOW
SCL LOW time
tHIGH
SCL HIGH time
tr
SCL and SDA rise time
tf
SCL and SDA fall time
tSU;DAT
tHD;DAT
tVD;DAT
data set-up time
data hold time
SCL LOW to data out valid
tSU;STO
stop condition set-up time
MIN.
4.7
4.7
4.0
4.7
4.0
250
0
4.0
TYP.
MAX.
100
100
1.0
0.3
3.4
UNIT
kHz
ns
µs
µs
µs
µs
µs
µs
µs
ns
ns
µs
µs
Note
1. All the timing values are valid within the operating supply voltage and ambient temperature range and refer to VIL and VIH with an input voltage swing of VSS to
VDD.
I2C-bus timing diagram.
10
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