What this bus switch does on the board
The SN74CB3Q3306APWR is a dual single-pole single-throw bus switch from TI's 74CB family. It contains two independent 1:1 switch circuits that connect or isolate digital signal paths under logic control.
The 8-TSSOP package (4.40 mm width) is a compact surface-mount footprint for dense PCB layouts. The 0.65 mm pin pitch is routable on two-layer boards with careful trace spacing.
