TMDS171 3.4 Gbps TMDS Retimer |


3.4 Gbps TMDS Retimer

3.4 Gbps TMDS Retimer - TMDS171

Recommended alternative parts

  • TMDS181  - The device has SIMILAR FUNCTIONALITY but is not functionally equivalent to the compared device.   6 Gbps TMDS Retimer


The TMDS171 is a digital video interface (DVI) or high-definition multimedia interface (HDMI) retimer. The TMDS171 supports four TMDS channels, Audio Return Channel (SPDIF_IN/ARC_OUT), Hot Plug Detect (HPD) and Digital Display Control (DDC) interfaces. The TMDS171 supports signaling rates up to 3.4 Gbps to allow for the highest resolutions of 4k2k30p 24 bits per pixel and up to WUXGA 12-bit color depth or 1080p with higher refresh rates. The TMDS171 automatically configures itself as a re-driver at low data rate (< 1 Gbps) or as a re-timer above this data rate.

The TMDS171 supports dual power supply rails of 1.2 V on VDD and 3.3 V on VCC for active power reduction. Several methods of power management are implemented to reduce overall power consumption. TMDS171 supports fixed EQ gain or adaptive EQ control by I2C or pin strap to compensate for different lengths input cable or board traces.


  • HDMI Input Port to Output Port with CDR Supporting up to 3.4 Gbps Data Rates
  • Compatible with HDMI1.4b Electrical Parameters.
  • Support for 4k2k30p and up to WUXGA 12-bit Color Depth or 1080p with Higher Refresh Rates
  • Retimes Input Stream to Compensate for Random Jitter
  • Adaptive Receiver Equalizer or Programmable Fixed Equalizer
  • I2C and Pin Strap Programmable
  • Inter-Pair Skew Compensation of 5+ Bits
  • Link Debug Tools Including Eye Diagram After RX Equalizer
  • Single Ended Mode ARC Support
  • 48-pin 7mm x 7mm 0.5 mm Pitch VQFN Package
  • Extended Commercial Temperature Support 0°C – 85°C (TMDS171)
  • Industrial Temperature Support -40°C – 85°C (TMDS171I)

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Part number Order Device type Protocols Speed (Max) (Gbps) Number of channels (#) ICC (Max) (mA) Operating temperature range (C) Package Group Package size: mm2:W x L (PKG)
TMDS171 Order now Retimer     HDMI     3.4     4     325     -40 to 85
0 to 70    
VQFN | 48     48VQFN: 49 mm2: 7 x 7 (VQFN | 48)    
TMDS141 Order now Redriver     HDMI         130     0 to 70     VQFN | 40     40VQFN: 36 mm2: 6 x 6 (VQFN | 40)    
TMDS181 Order now Retimer     HDMI     6     4     350     -40 to 85
0 to 85    
VQFN | 48     48VQFN: 49 mm2: 7 x 7 (VQFN | 48)    
TMDS261B Order now Switch/MUX     HDMI         216     0 to 70     TQFP | 64     64TQFP: 144 mm2: 12 x 12 (TQFP | 64)    
TMDS361B Order now Switch/MUX     HDMI         216     0 to 70     TQFP | 64     64TQFP: 144 mm2: 12 x 12 (TQFP | 64)