TMDS181I datasheet(6/58 Pages) TI1

6 / 58 page

TMDS181, TMDS181I

SLASE75A – AUGUST 2015 – REVISED OCTOBER 2015

www.ti.com

6.3 Recommended Operating Conditions

over operating free-air temperature range (unless otherwise noted)

MIN

NOM

MAX

UNIT

VCC

Supply voltage nominal value 3.3 V

3.135

3.3

3.465

VDD

Supply voltage nominal value 1.2 V

1.1

1.2

1.27

TCASE

Case temperature

92.7

°C

TMDS181

°C

Operating free-air

temperature

TMDS181I

–40

°C

MAIN LINK DIFFERENTIAL PINS

VID_PP

Peak-to-peak input differential voltage

1560

mVpp

VCC +

VIC

Input common mode voltage

VCC – 0.4

0.1

Data rate

0.25

Gbps

RVSADJ

TMDS compliant swing voltage bias resistor nominal

4.5

7.06

Ω

DDC, I2C, HPD, AND CONTROL PINS

HDP_SNK, SDA_SNK, SCL_SNK, SDA_SRC, SCL_SRC

–0.3

5.5

VI-DC

DC input voltage

All other local I2C, and control pins

–0.3

3.6

0.3 ×

VIL

Low-level input voltage at DDC/I2C

VCC

Low-level input voltage at PRE_SEL, EQ_SEL/A0, TX_TERM_CTL, SWAP/POL

VIL

(1)

0.3

pins only

Mid-level input voltage at PRE_SEL, EQ_SEL/A0, TX_TERM_CTL, SWAP/POL

VIM

(1)

1.2

1.4

pins only

High-level input voltage at PRE_SEL, EQ_SEL/A0, TX_TERM_CTL, SWAP/POL

VIH

(1)

2.6

pins only

High-level input voltage at SDA_SNK, SCL_SNK

2.8

VIH

High-level input voltage at I2C and SDA_SRC, SCL_SRC

1.8

High-level input voltage at HPD, OE

VOL

Low-level output voltage

0.4

VOH

High-level output voltage

2.4

ƒSCL

SCL clock frequency fast I2C mode for local I2C control

400

kHz

Cbus

Total capacitive load for each bus line (DDC and local I2C terminals)

400

dR(DDC)

DDC data rate

100

400

kbps

IIH

High-level input current

–30

µA

IIL

Low-level input current

–25

µA

IOS

Short-circuit output current

–50

IOZ

High impedance output current

µA

ROEPU

Pullup resistance on OE pin

150

250

Ω

(1)

These values are based upon a microcontroller driving the control pins. The pullup/pulldown/floating resistor configuration will set the

internal bias to the proper voltage level which will not match the values shown here.

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