HDMI Cable
The Transition Minimized Differential Signaling [TMDS] lines are used on a number of interfaces, P&D, HDMI, and DVI to name a few. The TMDS signal carries R,G,B and clock through four differential pairs, which occupy 8 pins of a 19-pin connector [shown below]. The operational voltage is 3.3 volts with a trace termination impedance of 50 ohms, DC linked, CML based signals
intersil {TMDS Regenerators with Multiplexers, ISL54102}
Maxim {HDMI/DVI Low-Frequency Switching, MAX4929}
nxp {PCIe / DisplayPort-to-DVI / HDMI level shifters, PTN330x}
Pericom {4-Differential Channel, 2:1 Mux/DeMux, DVI/HDMI Compliant Signal Switch based on TMDS Signaling Standard, PI3HDMI412}
Texas Instruments, TI {DisplayPort to TMDS Translator, SN75DP129}
TranSwitch {High-speed TMDS repeater devices for DVI/HDMI digital video applications, TCX-4238x}
| Pin Number | Signal Name | Pin Number | Signal Name |
| 1 | TMDS Data 2+ | 20 | SHELL |
| 2 | TMDS Data 2 Shield | 19 | Hot Plug Detect |
| 3 | TMDS Data 2- | 18 | +5V Power |
| 4 | TMDS Data 1+ | 17 | Ground |
| 5 | TMDS Data 1 Shield | 16 | DDC Data |
| 6 | TMDS Data 1- | 15 | DDC Clock |
| 7 | TMDS Data 0+ | 14 | No Connect |
| 8 | TMDS Data 0 Shield | 13 | CEC |
| 9 | TMDS Data 0- | 12 | TMDS Clock- |
| 10 | TMDS Clock+ | 11 | TMDS Clock Shield |
ACON {HDMI A Type}
Leoco {High Definition Media Input, HDMI Socket, HDMI Plug}
Molex {HDMI Connector Manufacturer}
Tyco Electronics {HDMI Connectors}
Engineering Design Key words: Video Cable Bus, DVI, Electrical Standard, Interface Standard, Specification, Spec, Electrical Interface, Semiconductor IC manufacturers, Physical Interface, Engineering Description, electrical characteristics, PC Video Buses, Monitor interfaces, Component Manufacturers, RS170, NTSC, PAL, National Television System Committee.
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