What this shift register does and where it fits
The SNJ54LS164J is an 8-bit parallel-out serial shift register from the 54LS family of low-power Schottky TTL logic. It takes serial data in on one line and shifts it through eight stages, presenting the full 8-bit word on parallel outputs.
Lifecycle and sourcing reality
The SNJ54LS164J carries an Active product status, meaning Texas Instruments continues to manufacture it. No last-time-buy or end-of-life notice has been issued.
