PS421 – 4:1 HDMI™/DVI Sink Switch
NOT RECOMMENDED FOR NEW DESIGNS
4:1 HDMI™/DVI Switch for Sink Device
PS421 integrates 4-to-1 HDMI™/DVI switch to simplify system level design and reduce system level cost for applications requiring multiple HDMI/DVI input connectors and single output device in digital TV and other emerging digital appliances.
Key Features
- Programmable Receiver Equalization to compensate cable loss
- Up to 14-dB for 1.65 Gbps and 16-dB for 2.25 Gbps Equalization
- Integrated 50-ohm Active Receiver Termination
- HDMI 1.4a compliant up to 2.25 Gbps
- DC or AC coupling Receiver up to 2.7 Gbps, capable of supporting DisplayPort™ 2.7 Gbps and reduced bit rate transfer
- Support UXGA, WUXGA, & 1080p with 8/10/12 bit deep color
- Built-in Side-band Signals Multiplexer with 5V tolerance for SDAx/SCLx pins
- Support both Active DDC Buffering and Passive Side-band Multiplexing
- I2C interface for flexible host control and GPIO saving
- EDID shadow to save system BOM cost
- Support CEC interfacing I/O
- Support Active Port Detection function
- Single 3.3V Power Supply, 100-pin TQFP RoHS Package
- 0°C to 70°C Operating Temperature Range
- ESD: Human Body Mode at 8 kV for all receiver inputs, Machine Mode at 300 V, and Charged Device Mode at 2 kV
Applications
- Digital TV
- Digital Set-Top-Box
- A/V Receiver
- Digital DVR
- 4-to-1 HDMI™/DVI Switch Box