HDMI Switch - Pericom Semiconductor
Description
PI3HDMI1310-A
HDMI™ Switch with non-blocking EQ Circuitry
Features
• Differential channel 3:1 Mux/DeMux for TDMS signals • 3:1 Mux/DeMux for DDC signals • non-EQ blocking circuitry to utilize ideal EQ found in
main receiver chipset • Low power consumption to support Energy Star
Compliance • Data rate support up to 3.
4Gbps (16bit color depth per
channel) • 2 pin control for port selection • 3.
3V power and 5V standby power • ESD protection on all I/O pins → ±8kV contact per IEC61000-4-2 → 7kV HBM per JESD22 • Packaging (Pb-free & Green): 72 - Contact TQFN
Description
Pericom Semiconductor’s PI3HDMI™ series of switch circuits are targeted for high-resolution video networks that are based on DVI/HDMI standards.
The PI3HDMI1310-A is a 3-to-1 HDMI Mux/DeMux Switch.
It is designed for low bit-to-bit skew and high channel-to-channel noise isolation.
The maximum DVI/ HDMI data rate of 3.
4Gbps provides the resolution required by next generation HDTV and PC graphics.
Three differential channels are used for data (video signals for DVI or audio/video signals for HDMI), and one differential channel is used for Clock for decoding the TMDS signals at the outputs.
PI3HDMI1310-A was designed specifically to meet ATC-Sink requirement for the HPD ports.
The high speed video ports and DDC ports can be either source or sink.
All TMDS I/O pins are protected with Pericom's ESD protection circuits, supporting protection against ESD damage as high as ±8kV contact per IEC6000-4-2 spec.
GND D1+A D1-A D0+A D0-A HPDC HPDB HPDA VDD50 GND
Block Diagram
D0-D3A± D0-D3B± D0-D3C±
4 - differential�
TMDS Lanes 4 - differential�
TMDS Lanes 4 - differential� TMDS Lanes
DDC_CLK A
DDC_DATA A DDC_CLK B
DDC_DATA B DDC_CLK C
DDC_DATA C
HPD_A HPD_B HPD_C
4 - differential� TMDS Lanes
D0-D3±
DDC_CLK DDC_DATA
HPD_Sink 100kΩ
12-0196
Control Logic SEL1 SEL2 OE
Pin Configuration (Top View)
GND D2-A D2+A
D3-A D3+A VDD D0-B D0+B D1-B D1+B D2-B D2+B VDD D3-B D3+B GND D0-C D0+C D1-C D1+C ...
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