SI7013-A20-YM1R 查看數據表（PDF） - Silicon Laboratories

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SI7013-A20-YM1R

I2C HUMIDITY AND TWO-ZONE TEMPERATURE SENSOR

Silicon Laboratories 

Si7013-A20

Table 3. I2C Interface Specifications1 (Continued)

1.9  VDD  3.6 V; TA = –40 to +85 °C (G grade) or –40 to +125 °C (I/Y grade) unless otherwise noted.

Parameter

SCL Low Time

Start Hold Time

Start Setup Time

Stop Setup Time

Bus Free Time

SDA Setup Time

SDA Hold Time

Symbol

tSKL

tSTH

tSTS

tSPS

tBUF

tDS

tDH

Test Condition

Between Stop and Start

Min

1.3

0.6

0.6

0.6

1.3

100

100

Typ Max Unit

—

—

μs

s —

—

μs

n —

—

μs

ig —

—

μs

s —

—

μs

e —

—

ns

D—

—

ns

SDA Valid Time

tVD;DAT From SCL low to data valid

—

—

0.9

μs

w SDA Acknowledge Valid Time tVD;ACK From SCL low to data valid

—

e Suppressed Pulse Width3

tSP

50

—

0.9

μs

—

—

ns

Notes:

N 1. All values are referenced to VIL and/or VIH.

2. Depending on the conversion command, the Si7013 may hold the master during the conversion (clock stretch). At

r above 300 kHz SCL, the Si7013 may hold the master briefly for user register and device ID transactions. At the highest

fo I2C speed of 400 kHz the stretching will be <50 μs.

3. Pulses up to and including 50 ns will be suppressed.

Not Recommended Figure 1. I2C Interface Timing Diagram

6

Rev. 1.4

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