HDMI Level Shifter
ASM1442T and ASM1442 are the high speed TMDS level shift ICs for High Definition Multimedia Interface (HDMI) and Digital Video Interface (DVI) video application. Those convert low-swing AC-coupled differential input from existing PCI Express in the chipset of PC to HDMI compliant differential output, supporting up to 3.4Gbps bandwidth of pixel data transition, as indicated in HDMI Rev1.3a. This conversion is automatic and transparent to the user. Only ASM1442T integrates an invertor to invert the signal of Hot Plug Detect. The devices operate at a single 3.3V supply.