Reference Layout for HDMI 1.3 Based on Passives
Tyco Electronics introduced its reference layout for ESD and over-current protection for HDM 1.3 interfaces. It uses proprietary 0.25 pF signal-to-ground-capacitance PESD protection devices and component placement and routing to help protect against ESD events. It also includes optional over-current protection on the +5V rail using the PolySwitch nanoSMD device. This ESD and reference layout was developed in conjunction with Efficere, Inc., and it meets or exceeds the HDMI 1.3 specifications for operation at 3.4 Gbps for impedance (TDR), data eye and far end crosstalk. These devices are offered in EIA standard 0603 and 0402 sizes and can be used in various end applications that include DisplayPort, WiMAX and cellular base stations, eSATA and other high-speed data and analog interfaces.