Parade Technologies: HDMI™/DVI Switch - Parade Technologies -Macnica

Product Summary

Parade Technologies HDMI™/DVI switch products include a 1:2 HDMI™/DVI demultiplexer (PS8222) supporting HDMI™ 1.4b or DVI display interfaces, and HDMI™ 2.1 12Gbps 2:1 with jitter cleaning. Supports multiplexer (PS8431).

Product main features

Compliant with HDMI1.4b specifications up to 3.0Gbps (PS8222)
HDMI™ 2.1 compliant with up to 12Gbps FRL (PS8431)
HDMI™ 2.0 compliant with TMDS up to 6Gbps (PS8431)
Programmable receiver equalization

Product lineup

PS8222

It integrates a 1:2 HDMI™/DVI demultiplexer that supports HDMI™ 1.4b or DVI display interfaces. Uses active buffers in DDC signaling multiplexers by default (reprogrammable via I2C control mode).

■ Features & block diagram

・Compliant with HDMI1.4b specifications up to 3.0Gbps
-TMDS data and clock inputs can be AC or DC terminated, so
Can be used in level shifter/repeater applications
- Programmable equalization to compensate for PCB, connector and cable losses
Transmitter pre-emphasis
-Integrated 50Ω input termination
・Low intra-pair and inter-pair skew
・The DDC signal multiplexer is 5V tolerant and can be used as a passive switch.
Includes active buffer options
- Default setting is active buffer mode
・Flexible function selection and host interface via device pin or I2C bus control
・Single 3.3V power supply (PS8222B) or dual 3.3V and 1.5V power supply (PS8222A)
·Low power consumption
・6.5mm x 4.5mm 46-pin QFN RoHS package
・Operating temperature range: 0°C to 70°C
・ESD: 8kV (HBM)

■ Target applications

・PC or tablet motherboard
・Graphic card
・Products that interface directly from dual-mode DisplayPort™ (DP++) source devices
・Docking station
・Digital set-top Box
・1-to-2 HDMI™ /DVI switch Box

PS8431

HDMI™ 2.1 12Gbps 2:1 multiplexer with jitter cleaning. It supports input Fixed Rate Link (FRL) signals up to 12Gbps on 4 lanes and supports programmable equalization and jitter cleaning. It is HDMI™ 2.1 compliant and operates in fixed rate link mode with fixed link rates ranging from 3Gbps to 12Gbps. It functions as a 2:1 multiplexer and allows dynamic port switching through GPIO control or I2C programming.

We employ a DDC channel interception scheme to facilitate FRL link training and adjust parameters based on the intercepted data. Both FRL and TMDS operations have jitter cleaning modes to improve output jitter performance. It also provides programmable receive equalization to compensate for signal loss, supports feedforward equalizer for source channel compensation, and offers various FFE modes. The device ensures flexible power management with automatic power-down and squelch functions.

■ Features & block diagram

・HDMI™ 2:1 multiplexing (repeat jitter cleaning)
Compliant with HDMI™ 2.1 with FRL up to 12Gbps
- Compliant with HDMI™ 2.0 with TMDS up to 6Gbps
・Level shiftable AC coupling
・SCDC intercept technology for HDMI™ relay
・Built-in DDC active buffering sideband signal
・Support for automatic link training: no system-level support required
・Excellent intra-pair and inter-pair deskew
・Programmable receiver equalization
・Link training based automatic equalization adjustment in FRL mode
・Low power consumption with automatic power-down management
・Pin control or optional local I2C control
・3.3V and 0.9V power supply
・Operating temperature range: 0℃ to 85℃ (PS8431QFN66GTR)
・4.4×9.7mm 66-pin QFN RoHS compliant and halogen-free package