The 8415501RA is the TI SN54LS540, an octal buffer and line driver from the 54LS Schottky logic family. It provides eight non-inverting buffers with three-state outputs.
The SN54LS540 is listed as Active on the lifecycle record.
8415501RA SN54LS540 Octal Buffer/Line Driver, Active
MPN8415501RA
End of Life
Texas Instruments SN54LS540 octal buffer and line driver, 54LS family, Bulk package, active lifecycle.
$18.13Ref. price · indicative, final on quote
Series*
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Aug 2026
Specifications
| Parameter | Value |
|---|---|
| Series | * |
| Package | Bulk |
Product details
Frequently asked questions
What is the difference between SN54LS540 and SN74LS540?
The SN54LS540 is rated for -55°C to +125°C (military temperature range), while the SN74LS540 covers 0°C to +70°C. All other electrical characteristics are essentially identical per the TI datasheet.