Xinluda Electronic Parts
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The XD74LS148 from Xinluda is an 8-line to 3-line octal priority encoder belonging to the popular 74LS low-power Schottky TTL logic family. It encodes eight active-low data inputs into a 3-bit (4-2-1) binary code, with priority decoding that guarantees only the highest-order asserted input is reflected on the outputs. Built-in cascading circuitry (enable input EI and enable output EO) allows multiple devices to be chained for octal expansion without additional external logic. The “XD” prefix denotes the through-hole DIP-16 version of this part (the equivalent SOP-16 surface-mount variant is marketed as XL74LS148).
The Xinluda XD74LS148 is a specialty logic part with little to no authorized-distributor stock, which makes it difficult to obtain through mainstream channels. Pacific Component Xchange is an independent distributor focused on hard-to-find and obsolete power-management ICs and logic devices. We help engineers and buyers secure scarce parts like the XD74LS148 with attention to authenticity, source traceability, and reliable global shipping. Whether you need a small prototype quantity or volume for a production run, our team can locate inventory and lock in pricing. Request a quote (RFQ) today and our sourcing specialists will respond with availability, lead time, and pricing for the XD74LS148.
The XD74LS148 is Xinluda's version of the 74LS148, an 8-line to 3-line octal priority encoder in the 74LS low-power Schottky TTL logic family. It encodes eight active-low inputs into a 3-bit binary output, with priority logic that selects the highest-order active input.
The XD74LS148 is supplied in a 16-pin through-hole DIP package (DIP-16). The surface-mount SOP-16 equivalent from Xinluda is designated XL74LS148.
The recommended supply voltage is 4.75 V to 5.25 V (nominal 5 V), and the operating free-air temperature range is 0u00b0C to 70u00b0C, per the Xinluda datasheet.
Yes. It includes an enable input (EI) and enable output (EO) that allow multiple devices to be cascaded for octal expansion without requiring additional external logic.
Yes. The Xinluda XD74LS148 has little to no authorized-distributor availability and is listed as a Request-For-Quote (RFQ) item. Pacific Component Xchange specializes in sourcing scarce logic and power-management ICs like this one.
Submit a Request for Quote (RFQ) to Pacific Component Xchange. Our sourcing team will reply with current availability, lead time, and pricing for your required quantity.
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