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STDEV003A Datasheet(PDF) 1 Page - STMicroelectronics |
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STDEV003A Datasheet(HTML) 1 Page - STMicroelectronics |
1 / 3 page Data Brief For further information contact your local STMicroelectronics sales office. September 2007 Rev 1 1/3 3 STDVE003A 3:1 TMDS / HDMI signal equalizer Features ■ Compatible with HDMI v1.3 digital interface ■ Conforms to the TMDS voltage standard on input and output channels ■ 340 MHz maximum clock speed operation enabling up to 3.4 Gbps data rate per channel ■ Integrated open-drain I2C buffer for DDC lines ■ 5.3 V tolerant I2C I/O with 0 to 400 kHz frequency ■ Ultra low capacitance of the channels ■ Equalizer regenerates the incoming attenuated TMDS signal ■ Buffer drives the TMDS outputs over long PCB track lengths ■ Very low output skew and jitter ■ Tight input thresholds reduce bit error rates ■ On-chip 50 Ω input termination ■ Integrated fail-safe feature sets outputs to known state for un-driven inputs ■ Available in TQFP80 package footprint with flow-through pin-out ■ -40°C to 85°C operating temperature range ■ Evaluation kit and samples are available Description The STDVE003A integrates a 4-channel 3.4 Gbps TMDS equalizer and a 3:1 switch to select one of the three HDMI ports. The three input HDMI ports can be either external ports or internal sources. High-speed data paths and flow-through pin-out minimize internal device jitter and simplify board layout. The equalizer overcomes ISI jitter effects from lossy cables. The buffer/driver on the output can drive the TMDS output signals over long distances. In addition to this, STDVE003A integrates the 50 Ω termination resistor on all input channels to improve performance and reduce board space. The device can be put in a low-power mode by disabling the output current drivers. The STDVE003A is ideal for advanced HDTV applications demanding HDMI deep colour (16- bit) superior image quality. The switch preserves the signal integrity to pass the stringent HDMI compliance requirements. TQFP80 Table 1. Device summary Order code Operating temperature Package Packaging STDEV003A -40°C to 85°C TQFP80 Tape and Reel www.st.com |
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