{"product_id":"sn74ls90n-binary-decade-counter-ic-dip14-ttl-chip-2-pack","title":"SN74LS90N Decade Counter IC DIP-14 TTL Chip – 2 Pack","description":"\u003ch2\u003eSN74LS90N Binary \/ Decade Counter Integrated Circuit – 2 Pack\u003c\/h2\u003e\n\u003cp\u003eGet two brand-new \u003cstrong\u003eSN74LS90N (SN74LS90) ICs\u003c\/strong\u003e — classic TTL-logic binary and decade counter chips in a through-hole \u003cstrong\u003eDIP-14\u003c\/strong\u003e package. A staple component for digital electronics projects, these versatile chips are ideal for hobbyists, engineers, educators, and makers who need reliable counting logic for breadboards, PCBs, or prototype circuits.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual Function:\u003c\/strong\u003e Operates as a binary counter (divide-by-2) and a quintic\/decade counter (divide-by-5 or divide-by-10)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDIP-14 Package:\u003c\/strong\u003e Standard 14-pin dual in-line through-hole form factor — breadboard and PCB compatible\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTTL Logic Family:\u003c\/strong\u003e 74LS-series low-power Schottky logic for efficient, stable operation\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand New Condition:\u003c\/strong\u003e Fresh stock, unused components\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e Pack of 2 chips — great value for prototyping and spares\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Concerned Chemicals:\u003c\/strong\u003e None\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e SN74LS90N \/ SN74LS90\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLogic Family:\u003c\/strong\u003e 74LS (Low-Power Schottky TTL)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage:\u003c\/strong\u003e DIP-14 (Straight \/ Through-Hole)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Binary Counter \/ Quintic-Decimal Counter\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e New\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuantity in Pack:\u003c\/strong\u003e 2 PCS\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMade in:\u003c\/strong\u003e Mainland China\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat Can You Build With It?\u003c\/h3\u003e\n\u003cp\u003eThe SN74LS90N is a go-to chip for a wide range of digital electronics applications, including frequency dividers, digital clocks, pulse counters, BCD counters, and educational logic circuit demonstrations. Its flexible input\/output configuration makes it easy to cascade multiple chips for higher-count applications.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/electromagnetic-induction-tester-coil-motherboard-fault-detector\"\u003eElectromagnetic Induction Tester – Coil \u0026amp; Circuit Fault Detector\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/air-compressor-pressure-gauge-0-10-0-12-0-25-bar-hydraulic-diy\"\u003eAir Compressor Pressure Gauge 0-10\/0-12\/0-25 Bar | DIY Tool\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/personal-protective-equipment\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on personal protective equipment\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What is the SN74LS90N chip used for in electronics projects?\u003c\/h4\u003e\n\u003cp\u003eA: The SN74LS90N is a versatile TTL integrated circuit that functions as both a binary counter (divide-by-2) and a decade\/quintic counter (divide-by-5 or divide-by-10). It is commonly used in digital clocks, frequency dividers, pulse counters, BCD (binary-coded decimal) systems, and educational circuit experiments.\u003c\/p\u003e\n\u003ch4\u003eQ: What package type is this IC and is it breadboard compatible?\u003c\/h4\u003e\n\u003cp\u003eA: This chip comes in a DIP-14 (Dual In-Line Package, 14-pin) through-hole format, which is fully compatible with standard solderless breadboards and PCB through-hole layouts — perfect for prototyping and hands-on electronics projects.\u003c\/p\u003e\n\u003ch4\u003eQ: How many chips are included in this listing?\u003c\/h4\u003e\n\u003cp\u003eA: This listing includes 2 pieces (2 PCS) of the SN74LS90N integrated circuit, giving you a handy spare for your projects or for building cascaded counter circuits.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is the SN74LS90N chip used for in electronics projects?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The SN74LS90N is a versatile TTL integrated circuit that functions as both a binary counter (divide-by-2) and a decade\/quintic counter (divide-by-5 or divide-by-10). 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