Xinluda (Shenzhen Xinluda Information Technology Co., Ltd.) Electronic Parts
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The Xinluda XD4518 is a dual BCD (binary-coded decimal) up-counter built on robust 4000-series CMOS logic technology. Pin-compatible with the industry-standard CD4518 function, it integrates two independent, synchronous 4-bit BCD counters in a single DIP-16 package, making it a versatile building block for frequency division, timing chains, and multistage counting applications. Each counter advances on either a rising clock edge or a falling enable edge, supporting both synchronous and ripple cascade configurations.
Operating across a wide 3 V to 16 V supply range with a typical clock frequency of up to 6 MHz, the XD4518 delivers the noise immunity, low quiescent current, and broad operating-voltage tolerance that have made CMOS logic counters a mainstay in industrial and consumer electronics for decades.
The XD4518 is an Asian-market CMOS logic device with little to no authorized-distributor stock in Western channels, which makes it a hard-to-find part for designers maintaining or producing boards that specify it. Pacific Component Xchange is an independent distributor specializing in exactly these scenarios – sourcing obsolete, allocated, and hard-to-find logic and power-management components from a vetted global supply network.
Every XD4518 we supply is backed by our authenticity and quality-assurance process to protect your build against counterfeit risk, and we ship worldwide to keep your production line moving. Pricing on this part is quote-based. Request an RFQ today and our sourcing team will return current availability, lead time, and pricing for the quantities you need.
The XD4518 is a dual BCD (binary-coded decimal) up-counter from Xinluda, built on 4000-series CMOS logic. It contains two independent synchronous 4-bit decade counters in a single DIP-16 package and is functionally equivalent to the standard CD4518.
Yes. The XD4518 implements the same dual BCD up-counter function and pinout as the industry-standard CD4518, so it can serve as a drop-in equivalent in most designs that specify a CD4518-type dual decade counter. Always verify against your board's datasheet requirements.
The XD4518 operates over a wide 3 V to 16 V supply range and supports a typical clock frequency of up to 6 MHz, consistent with standard 4000-series CMOS logic counters.
Pacific Component Xchange lists the XD4518 in a DIP-16 (16-pin dual in-line) through-hole package. Contact us if you require a specific surface-mount variant and we will check availability across our supply network.
The XD4518 is an Asian-market CMOS logic part with limited authorized-distributor availability in Western channels. As an independent distributor, Pacific Component Xchange sources it on a quote basis so we can provide current, quantity-specific pricing, lead time, and verified availability.
Submit an RFQ through Pacific Component Xchange with your required quantity. Our sourcing team will respond with current pricing, lead time, and stock availability, and every part is backed by our authenticity and quality-assurance process.
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