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LT8641UX
1. General Description

The Lontium LT8641UX HDMI2.0 Switch features a 4:1 switch compliant to HDMI2.0/1.4 specification, max 6Gbps high speed data rate, adaptive equalization RX input and pre-emphasized TX output to support long cable application, no XTAL and 1.2V power supply on board to save BOM cost, internal TX lane swap for flexible PCB routing .
LT8641UX HDMI2.0 Switch automatically detect the cable loss, and adaptively optimize the equalization setting . The  CDR cleans the input  data jitter,  make it suitable for long cable and cascade application. It support RX termination resistor calibration to further improve signal integrity.
LT8641UX support DDC/SCDC compliant to HDMI2.0/1.4 specification . The integrated DDC and HPD switches further lower the cost of system manufacture, and simplify the routing on the system board .

2. Features

• 4 inputs, 1output HDMI2.0 links
• HDMI 1.4/2.0 compliant
• Supports data rates up to 6.0Gbps
• TX/RX side ODTs and management circuitry
• Integrated HPD switch, DDC switch, and +5V Power indicator switch, greatly lowering the cost and simplifying the manufacturing process
• Source/Sink connection detection for flexible system management
• I2C control supported
• Single 3.3V power supply
• 5V-tolerant DDC interfaces
• Jitter cleaning PLL for better performance
• DC/AC coupled signal input/output
• No external crystal is needed
• Adaptive equalization
• TX Lane swap for flexible PCB routing

3. APPLICATIONS

• Front panel buffer for advanced television (HDTV) sets
• Standalone switcher
• Multiple input displays
• ProjectorsLT8641UX
• A/V receivers

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