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TMDS181, TMDS181I

SLASE75C – AUGUST 2015 – REVISED JULY 2016

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Product Folder Links: TMDS181 TMDS181I

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Copyright © 2015–2016, Texas Instruments Incorporated

Table of Contents

1

Features .................................................................. 1

2

Applications ........................................................... 1

3

Description ............................................................. 1

4

Revision History..................................................... 2

5

Pin Configuration and Functions ......................... 4

6

Specifications......................................................... 6

6.1

Absolute Maximum Ratings ...................................... 6

6.2

ESD Ratings.............................................................. 6

6.3

Recommended Operating Conditions ....................... 7

6.4

Thermal Information .................................................. 8

6.5

Power Supply Electrical Characteristics ................... 8

6.6

TMDS Differential Input Electrical Characteristics .... 9

6.7

TMDS Differential Output Electrical

Characteristics ......................................................... 10

6.8

Characteristics ......................................................... 11

6.9

Power-Up and Operation Timing Requirements ..... 12

6.10

TMDS Switching Characteristics........................... 13

6.11

HPD Switching Characteristics ............................. 14

6.12

6.13

Typical Characteristics .......................................... 15

7

Parameter Measurement Information ................ 15

8

Detailed Description ............................................ 24

8.1

Overview ................................................................. 24

8.2

Functional Block Diagram ....................................... 25

8.3

Feature Description................................................. 25

8.4

Device Functional Modes........................................ 31

8.5

Register Maps ......................................................... 33

9

Application and Implementation ........................ 40

9.1

Application Information............................................ 40

9.2

Typical Applications ................................................ 40

10

Power Supply Recommendations ..................... 47

11

Layout................................................................... 48

11.1

Layout Guidelines ................................................. 48

11.2

Layout Example .................................................... 49

12

Device and Documentation Support ................. 50

12.1

Documentation Support ........................................ 50

12.2

Related Links ........................................................ 50

12.3

Receiving Notification of Documentation Updates 50

12.4

Community Resources.......................................... 50

12.5

Trademarks ........................................................... 50

12.6

Electrostatic Discharge Caution ............................ 50

12.7

Glossary ................................................................ 50

13

Mechanical, Packaging, and Orderable

Information ........................................................... 51

4 Revision History

NOTE: Page numbers for previous revisions may differ from page numbers in the current version.

Changes from Revision B (April 2016) to Revision C

Page

•

Recommended Operating Conditions, Changed the CONTROL PINS section .................................................................... 7

•

DDC, I

Changes from Revision A (October 2015) to Revision B

Page

•

•

•

Power-Up and Operation Timing Requirements, Deleted the VDD_ramp and VCC_ramp MIN values ............................. 12

•

Changed Figure 1 ................................................................................................................................................................ 12

•

DDC Functional Description , Changed text "address 22h (see Figure 31) through the I2C interface." To: "address

0Bh through the I2C interface." ............................................................................................................................................ 32

•

Added Note to 11–400-kbps in Table 6................................................................................................................................ 35

•

Added Note to 11–400-kbps in Table 6................................................................................................................................ 36

Changes from Original (August 2015) to Revision A

Page

•

Updated device from product preview to production data ..................................................................................................... 1

•

Absolute Maximum Ratings, Changed max value from 1.56 V to VCC + 0.3V; added input current and Min value............. 6

•

Absolute Maximum Ratings, Added Max Input Current on Main Link Differential Input pins................................................. 6

•

Recommended Operating Conditions, Updated the note showing the values shown are only for Microcontroller

driven and not values based upon pull up or pull down resistors. ........................................................................................ 7

•

Power Supply Electrical Characteristics, Increased Max Value of ISD2 from 10 to 15mA ................................................... 8