Xinluda (XINLUDA / Wuxi Xinluda) Electronic Parts
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The XD74LS73 from Xinluda is a dual J-K flip-flop integrated circuit belonging to the popular 74LS low-power Schottky TTL logic family. It contains two independent negative-edge-triggered J-K flip-flops, each with its own J, K, clock, and direct (asynchronous) clear inputs, along with complementary Q and Q-bar outputs. The XD-prefix designates the through-hole DIP package version in Xinluda’s part-numbering scheme.
As a functional equivalent of the industry-standard 74LS73 / SN74LS73A, the XD74LS73 is a drop-in replacement for legacy designs, education and prototyping boards, and general-purpose sequential-logic circuits that require frequency division, counters, or data storage. Pacific Component Xchange stocks and sources this part for buyers who can no longer find it through authorized channels.
The XD74LS73 is a hard-to-find part with little to no authorized-distributor availability. Pacific Component Xchange is an independent distributor specializing in obsolete, end-of-life, and difficult-to-source logic and power-management components. We help engineers and procurement teams secure parts like the Xinluda XD74LS73 when mainstream channels come up empty.
Every order is backed by our commitment to authenticity and quality, with global shipping to keep your production lines and service operations running. Request a quote (RFQ) for the XD74LS73 today and our sourcing team will respond with current availability, lead time, and pricing.
The XD74LS73 is a dual J-K flip-flop logic IC made by Xinluda. It contains two independent negative-edge-triggered J-K flip-flops, each with a direct clear input and complementary outputs, in the 74LS low-power Schottky TTL family.
Yes. The XD74LS73 is Xinluda's functional equivalent of the industry-standard 74LS73 (such as the SN74LS73A), making it a drop-in replacement in compatible designs.
The XD74LS73 is supplied in a 14-pin DIP (through-hole) package. Xinluda uses the XD prefix for the DIP version of its 74LS-series logic parts.
It operates from a standard 5 V TTL supply, consistent with the 74LS logic family (recommended VCC around 4.75 V to 5.25 V).
The XD74LS73 has little to no authorized-distributor stock. As an independent distributor of hard-to-find parts, Pacific Component Xchange sources it on an RFQ basis and provides current availability, lead time, and pricing on request.
Yes. Pacific Component Xchange offers global shipping for hard-to-find and obsolete components, including the Xinluda XD74LS73. Submit an RFQ to get started.
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