DVI/HDMI Switch Products TS3DV416 and TS3DV520

Digital Video TI Switching Solution High definition television is becoming more popular in many TI offers several cost effective switching solutions that can be households today. This is driving the need for high definition implemented to switch between two DVI/HDMI inputs. The connections from multiple sources. The end consumer may TS3DVxxx series offer of video switches the bandwidth need to switch between a DVD player, set top box, or game necessary to pass these high speed differential signals. The console, each providing a high definition signal. A method of signals can be routed from each input to a single DVI/HDMI connecting these sources is either through DVI or HDMI. receiver within the system. Features

• Compatible with HDMI v1.2a (type A) and DVI 1.0 High-Speed Digital Interface • Wide Bandwidth of over 1.65Gbps, 165 MHz Speed Operation • Serial Data Stream at 10x Clock Rate • Supports all video formats up to and SXGA (1280x1024 at 75 Hz) • Total raw capacity 4.95Gbps (single link) Digital Visual Interface (DVI) has been popular in the computing segment for a number of years. The interface consists mainly • HDCP compatible • Low Crosstalk of three differential data lines and one differential clock. Each • Low Bit-to-Bit Skew data line has a data rate of up to 1.65Gbps, while the • Low and Flat ON-State Resistance for the industry leading differential clock can run up to 165MHz. This gives an overall initial insertion loss throughput of 4.95 Gbps, which is ideal for digital video. • Low Input/Output Capacitance for very high overall bandwidth • IOFF sets the I/Os in high impedance mode when VDD=0 High Definition Multimedia Interface (HDMI) has been gaining popularity in the consumer segment. Based on the the same differential signaling scheme, HDMI also incorporates digital Typical Application Environments audio that is encoded into the one of the differential channels. • HDTV applications (DLP, DTV, LCD, PDP, CRT) With a smaller connector it is ideal for consumer applications. • Set Top Box • Docking Stations

DDC/CEC/+5V 1

r o

ATMDS0+ t ATMDS0+

c ATMDS0- ATMDS0- ) t e r

n ATMDS1+

ATMDS1+ o

HDMI ATMDS1- n ATMDS1- P o

ATMDS2+ ATMDS2+ A Transmitter 1 C

ATMDS2- ( ATMDS2- TMDS0+ I ATMDSCLK+ TMDS0- ATMDSCLK+ M ATMDSCLK- ATMDSCLK- TMDS1+ Display D TMDS1- H TS3DVxxx HDMI Scalar/ (DLP, LCD HDMI Receiver TMDS2+ Video Decoder TV, PDP, HDMI TMDS2- TMDSCLK+ HDTV)

2 TMDSCLK- Switch BTMDS0+ r BTMDS0+

BTMDS0- o BTMDS0- t c )

BTMDS1+ t BTMDS1+ e BTMDS1- r BTMDS1- HDMI n o n

BTMDS2+ P BTMDS2+ o Transmitter 2 BTMDS2- BTMDS2 - B C

(

BTMDSCLK+ I BTMDSCLK+ BTMDSCLK- BTMDSCLK- M

D TS3DV416 and TS3DV520 Typical Application H DDC/CEC/+5V

TM Technology for Innovators 10:20 MULTIPLEXER Single DVI/HDMI Applications 3 High Speed Differential Data HDMI 1 High Speed Differential Clock HDMI Transmitter 2 Single Ended for DDC Receiver

TMDS0 HOST LCD PANEL TMDS1 TS3DV520 GRAPHICS CMOS/ CMOS CONTROLLER TTL / TTL The TS3DV520 is a four channel CONTROLLER TMDS2 SCL differential multiplexer/demultiplexer, SDA CLOCK plus two single ended channels. The 165MHz differential channels are connected to HDMI the high speed differential data and Transmitter clock. The two single ended channels TMDS0 HOST TMDS1 GRAPHICS CMOS/ are then connected to the DDC (data TTL CONTROLLER TMDS2 display channel). The DDC is used for SCL configuration and status exchange SDA CLOCK between the source and sink. 165MHz

8:16 MULTIPLEXER Single 3 High Speed Differential Data HDMI 1 High Speed Differential Clock HDMI Transmitter Receiver

TMDS0 TS3DV416 HOST LCD PANEL CMOS/ TMDS1 GRAPHICS TTL CMOS CONTROLLER / TTL The TS3DV416 is a 4 channel CONTROLLER TMDS2

differential multiplexer/demultiplexer. CLOCK It is connected in the same manner as 165MHz the TS3DV520. However, for the DDC channel, it is recommended to use the HDMI SN74CBT3257C. This provides an Transmitter TMDS0 HOST overall cost effective solution. TMDS1 GRAPHICS CMOS/ TMDS1 TTL CONTROLLER TMDS2

CLOCK 165MHz r

ATMDS0+ o t Other applications ) r k

ATMDS0 - c o o e

ATMDS1+ t o n The TS3DVxxx series is a bidirectional switch. c b

ATMDS1 - n e e o n ATMDS2+ t C n o

Not only can it be used for switching between ATMDS2 - I o N

ATMDSCLK+ (

TMDS0+ C M TMDS0 - ATMDSCLK -

two sinks, but also can be used for switching D

HDMI TMDS1+ TS3DVxxx H between two sources. TMDS1 - Shown is a docking station Transmitter TMDS2+ HDMI r

TMDS2 - o r

(Notebook) t

application, where the has a single HDMI o c

TMDSCLK+ Switch BTMDS0+ t n e TMDSCLK - BTMDS0 - c BTMDS0+ o n e

BTMDS0 - i ) t

transmitter connected through our switch. One n n

BTMDS1+ r a o

n BTMDS1+ t BTMDS1 - o t o BTMDS1 - C

Docking S

c

port is connected to an HDMI port on the laptop. BTMDS2+ I C e

BTMDS2+ g

BTMDS2 - V

Station n n g BTMDS2 - i D n

BTMDSCLK+ n / k

However, when the system is docked, the i

BTMDSCLK+ I o

BTMDSCLK - c k BTMDSCLK - C o M c o D TS3DVxxx re-routes the HDMI signals to the D ( D connector on the docking station. H

Typical eye diagram after HDMI signal is transmitted through the TS3DVxxx device

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