Product details

Protocols DisplayPort Speed (Max) (Gbps) 5.4 Supply voltage (V) 3.3
Protocols DisplayPort Speed (Max) (Gbps) 5.4 Supply voltage (V) 3.3
NFBGA (ZXH) 48
  • Compatible with DisplayPort 1.2 electrical standard
  • 2:1 switching supporting data rates up to 5.4Gbps
  • Supports HPD switching
  • Wide -3dB differential BW of over 5.4 GHz
  • Excellent dynamic characteristics (at 2.7GHz)
    • Crosstalk = –50dB
    • Isolation = –22dB
    • Insertion loss = –1.4dB
    • Return loss = –11 dB
    • Max bit-bit skew = 4 ps
  • VDD operating range 3.3 V ±10%
  • Small 5 mm x 5 mm x 1 mm, 48-ball nFBGA package
  • Output enable (oe) pin disables switch to save power
  • Power consumption
    • HD3SS212 <10mW (standby <30µW when OE = L)
  • Compatible with DisplayPort 1.2 electrical standard
  • 2:1 switching supporting data rates up to 5.4Gbps
  • Supports HPD switching
  • Wide -3dB differential BW of over 5.4 GHz
  • Excellent dynamic characteristics (at 2.7GHz)
    • Crosstalk = –50dB
    • Isolation = –22dB
    • Insertion loss = –1.4dB
    • Return loss = –11 dB
    • Max bit-bit skew = 4 ps
  • VDD operating range 3.3 V ±10%
  • Small 5 mm x 5 mm x 1 mm, 48-ball nFBGA package
  • Output enable (oe) pin disables switch to save power
  • Power consumption
    • HD3SS212 <10mW (standby <30µW when OE = L)

The HD3SS212 is a high-speed passive switch capable of switching two full DisplayPort 4 lane ports from one of two sources to one target location in an application. For DisplayPort applications that HD3SS212 also supports switching of the Auxiliary (AUX) and Hot Plug Detect (HPD) signals. HPD path is a buffer which requires a 125kΩ pull-down resistor on the HPDC line.

A typical application would be a mother board that includes two GPUs that need to drive one DisplayPort sink. The GPU is selected by the Dx_SEL pin. The HD3SS212 is offered in a 48-ball bfBGA package and specified to operate from a single supply voltage of 3.3V over full industrial temperature range of –40°C to 105°C.

The HD3SS212 is a high-speed passive switch capable of switching two full DisplayPort 4 lane ports from one of two sources to one target location in an application. For DisplayPort applications that HD3SS212 also supports switching of the Auxiliary (AUX) and Hot Plug Detect (HPD) signals. HPD path is a buffer which requires a 125kΩ pull-down resistor on the HPDC line.

A typical application would be a mother board that includes two GPUs that need to drive one DisplayPort sink. The GPU is selected by the Dx_SEL pin. The HD3SS212 is offered in a 48-ball bfBGA package and specified to operate from a single supply voltage of 3.3V over full industrial temperature range of –40°C to 105°C.

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Type Title Date
* Data sheet 5.4Gbps DisplayPort 1.2 2-to-1 Differential Switch, HD3SS212 datasheet (Rev. D) 06 Dec 2020
* User guide HSSC MicroStar BGA Discontinued and Redesigned 18 Jan 2021
Application note Passive Mux Selection Based On Bandwidth > Ron 11 Sep 2019
Application note High-Speed Layout Guidelines for Signal Conditioners and USB Hubs 14 Jun 2018

Design & development

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Simulation model

HD3SS212 HSpice Model

SLAM143.ZIP (115 KB) - HSpice Model
Simulation model

HD3SS212 S-Parameter Model

SLAM333.ZIP (596 KB) - S-Parameter Model
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NFBGA (ZXH) 48 View options

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