What the SN74LS241N is and where it fits
The Texas Instruments SN74LS241N is a 74LS-series octal buffer with non-inverting outputs and 3-state control, packaged in a 20-pin DIP (0.300" body) for through-hole mounting. It contains two independent 4-bit elements, each with its own output-enable pin, letting you gate bus segments or drive shared data lines without contention. The 5V supply rail (4.75V–5.25V) and TTL-compatible thresholds mean this part lives in legacy 5V logic systems—not 3.3V or 1.8V domains. Typical applications include memory-address buffering, microprocessor bus isolation, and driving high-fanout clock or control signals where the 24mA sink capability handles multiple TTL loads.
Temperature grade and operating environment
Rated for commercial temperature range 0°C to 70°C (ambient). This is indoor, bench, or office-environment gear—not motor drives, under-hood automotive, or outdoor telecom. If your BOM calls for industrial or extended temperature, you need a 74LS part with an 'I' suffix or a different family entirely.
Output drive and bus loading
With 15mA output high and 24mA output low, the SN74LS241N can sink more current than it sources—typical for TTL. That 24mA sink is enough to drive a 5V TTL bus with multiple loads, but don't expect to charge large capacitive traces quickly. For heavily loaded backplanes or faster edge rates, consider the 74ABT or 74F families.
Lifecycle and sourcing reality
Texas Instruments lists the SN74LS241N as Active. That said, 74LS parts are a mature logic family—production volumes have shrunk and lead times can stretch. The through-hole DIP package also narrows the manufacturing base; most high-volume lines have moved to surface-mount. For new designs, the 74AHCT or 74LVC series in SOIC or TSSOP would be the modern footprint.