PS321 – 3:1 HDMI™/DVI Sink Switch
NOT RECOMMENDED FOR NEW DESIGNS
Please refer to our updated product, the PS331
3:1 HDMI™/DVI Switch for Sink Device
The PS321/PS221 are derivatives of the PS301/PS201 integrated 3-to-1 and 2-to-1 HDMI/DVI switches. These devices simplify system level design and reduce system cost for applications requiring multiple HDMI/DVI input connectors and a single output device in digital TV and other digital appliances.
Key Features
- Programmable Receiver Equalization to Compensate for Cable Loss
- Up to 15-dB for 1.65 Gbps and 17-dB for 2.25 Gbps Equalization Setting
- Integrated 50-ohm Active Receiver Termination
- Compliant with TMDS Electrical Specification up to 2.7 Gbps
- HDMI 1.3a compliant up to 2.25Gbps
- DC or AC coupled Receiver up to 2.7 Gbps, capable of supporting DisplayPort™ 2.7 Gbps
- Supports UXGA, WUXGA, & 1080p with 8/10/12 bit deep color
- Built-in Side-band Signals Multiplexer with 5V tolerance for SDAx/SCLx pins
- I2C interface for flexible host control and GPIO saving
- EDID bridge function for low system BOM cost
- 5 operating modes with optional I2C Control and EDID Bridge features
- Pin-to-pin compatible to PS301 with CEXT external capacitor for voltage regulation
- Single 3.3V Power Supply, 80-pin TQFP RoHS Package
- 0°C to 70°C Operating Temperature Range
- ESD: Human Body Mode at 8 kV for all inputs, Machine Mode at 400 V, and Charged Device Mode at 2 kV
Applications
- Digital TV
- Digital Set-Top-Box
- A/V Receiver
- Digital DVR
- 3-to-1 or 2-to-1 HDMI™/DVI Switch Box