ation. While the A port is designed to track VCCA, the Bn port (nCMD, nDAT, nCLK) is designed to track VCCBn. The device is intended for a two-way asynchronous communication between data buses. Table 1. April 2008 Device summary Order code Package Packing ST6G3240TBR TFBGA36 (3.6 x 3.6 mm) Tape and reel Rev 2 1/29 www.st.com 29 Contents ST6G3240 Contents 1 ST6G3240 general description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2 Pin settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2.1 Pin connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2.2 Pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 3 Logic diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 4 Maximum rating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .