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PS421 – 4:1 HDMI/DVI Sink Switch
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
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