HDMI2C1-5DIJ ESD protection and signal booster for HDMI 1.3 Tx control links Features HDMI 1.3. compliant from -40 to 85 C CEC, DDC, 5 V and HPD 8 kV contact ESD protection QFN 5 x 4 16-lead 2 Integrated I C bi-directional reshaping circuit HDMI2C1-5DIJ and level-shifter Integrated CEC bi-directional level-shifter with dV/dt limiter Figure 1. Pin configuration (bottom view) Supports direct connection to low-voltage HDMI ASICs (down to 1.8 V) CEC CEC IC NC NC Backdrive current protection on all I/O pins SCL SLC IC SDA SDA IC Bulk(*) HDMI short-circuit and overcurrent protection GND GND 5V OUT V DD 5V on 5 V output HPD HPD IC V DD CEC V DD IC Long HDMI cable drive support (*) : even if not mandatory, it is recommended to connect the bulk (pad) to the ground on the PCB 500 m pitch Benefits Applications Most stringent ESD standards compliance Consumer and computer electronics guaranteed at system level HD set-top boxes, DVD and flat television sets Full protection of ultra-sensitive HDMI ASICs PC graphic cards Optimized HDMI control signal shapes guaranteed at connector level Description Signal booster for long HDMI cable support High integration The HDMI2C1-5DIJ is a fully integrated ESD protection, level-shifting device and signal booster Companion chip for HDMIULC6-xxx6 ultra- for control links of HDMI 1.3 transmitters. large bandwidth ESD protection for TMDS links This device is a bi-directional isolation buffer, Companion chip for STMicroelectronics integrating hysteresis and signal boosters for STixxxx HDMI HD decoders. maximum system robustness and signal integrity. Referenced in STi7111-SAT-MB-V1.2-011 All these features are provided in a single 16-lead reference design from STMicroelectronics QFN package featuring straightforward routing. Complies with the following standards: The HDMI2C1-5DIJ is a simple plug and play device that provides HDMI designers with an easy IEC 61000-4-2 level 4 way to gain full compliance with the stringent JESD22-A114D level 2 HDMI 1.3 CTS on a wide temperature range. TM: HDMI, the HDMI logo and High-Definition Multimedia Interface are tradmarks or registered trademarks of HDMI Licensing LLC. May 2011 Doc ID 15393 Rev 3 1/12 www.st.com 12Application information HDMI2C1-5DIJ 1 Application information 1.1 Power on reset In order to activate the CEC and DDC lines, both following conditions must be respected: V > V (see Table 3) DD 5V DD ON Both inputs of the bi-directional level shifters must be set to a high level at the same time 1.2 CEC input and output levels in high-level When the CEC signal is set to a high level (idle-state), pin 1 and pin 16 voltages can be different as the HDMI2C1-5DIJ works as a level-shifter. The line is then considered in open circuit between these two pins. Low levels are identical on both sides. 1.3 Schematics Figure 2. Application schematic Host (Set-top box, DVD player, PC) HDMI HDMIULC6 -2P6 TX0+ TX0 - TX1+ TX1 - video TX2+ TX2 - Multimedia audio TC+ controller TC- ctrl CEC SCL SDA V DD 5V HPD HDMI2C1- 5DIJ V V DD IC DD CEC 2/12 Doc ID 15393 Rev 3 HDMI connector