Design of the Trigger Interface and Distribution board for CEBAF 12 GeV Upgrade

The design of the Trigger Interface and Distribution (TID) [1] board for the 12 GeV Upgrade [2] at the Continues Electron Beam Accelerator Facility (CEBAF) in TJNAL is described. The TID board distributes a low jitter system clock, synchronized trigger, and synchronized multi-purpose SYNC signal. The TID also initiates data acquisition for the crate. With the TID boards, a multi-crate system can be setup for experiment test and commissioning.