TH02 datasheet(6/26 Pages) ETC2

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TH02

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Table 4. I2C Interface Specifications*

2.1

≤ VDD ≤ 3.6 V; TA = 0 to 70 °C (F grade) or –40 to +85 °C (G grade) unless otherwise noted.

Parameter

Symbol

Test Condition

Min

Typ

Max

Unit

Hysteresis

VHYS

High-to-low versus low-to-

high transition

0.05 x VDD

—

SCLK Frequency

fSCL

—

400

kHz

SCL high time

tSKH

0.6

—

µs

SCL low time

tSKL

1.3

—

µs

Start hold time

tSTH

0.6

—

µs

Start setup time

tSTS

0.6

—

µs

Stop setup time

tSPS

0.6

—

µs

Bus free time

tBUF

Between Stop and Start

1.3

—

µs

SDA setup time

tDS

100

—

SDA hold time

tDH

100

—

SDA valid time

tVD;DAT From SCL low to data valid

—

0.9

µs

SDA acknowledge valid time

tVD;ACK From SCL low to data valid

—

0.9

µs

*Note:

All values are referenced to VIL and/or VIH.

SCL

fSCL

tSKH

tSKL

tBUF

tSTH

tDS

tDH

tSPS

SDA

Start Bit

Stop Bit

tSTS

tVD : DAT

Figure 1. I2C Interface Timing Diagram

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