SI1143(2011) 查看數據表（PDF） - Silicon Laboratories

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SI1143
(Rev.:2011)

PROXIMITY/AMBIENT LIGHT SENSOR IC WITH I2C INTERFACE

Silicon Laboratories 

Si1141/42/43

Table 4. I2C Timing Specifications

Parameter

Clock Frequency

Clock Pulse Width Low

Clock Pulse Width High

Rise Time

Fall Time

Start Condition Hold Time

Start Condition Setup Time

Input Data Setup Time

Input Data Hold Time

Stop Condition Setup Time

Symbol

Min

Typ

fSCL

—

—

tLOW

160

—

tHIGH

60

—

tR

10

—

tF

10

—

tHD.STA

160

—

tSU.STA

160

—

tSU.DAT

10

—

tHD.DAT

0

—

tSU.STO

160

—

Max

3.4

—

—

40

40

—

—

—

—

—

Unit

MHz

ns

ns

ns

ns

ns

ns

ns

ns

ns

Preliminary Rev. 0.5

7

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