What this FIFO register does and where it fits
The Texas Instruments CD74HC40105M is a 74HC-series asynchronous FIFO register with a 64-bit (16 x 4) memory array, designed for first-in-first-out data buffering in digital systems.
Lifecycle and sourcing reality
The CD74HC40105M is listed as Active in production, with ROHS3 compliance. For a BOM freeze, this part carries no near-term supply risk.
