{"product_id":"5pcs-sn74ls165adr-74ls165-serial-shift-register-ic-soic-16","title":"5-Pack SN74LS165ADR 74LS165 Shift Register IC SOIC-16","description":"\u003ch2\u003e5-Pack SN74LS165ADR 74LS165 Serial Output Shift Register — SOIC-16\u003c\/h2\u003e\n\u003cp\u003eGet five brand-new \u003cstrong\u003eSN74LS165ADR (74LS165)\u003c\/strong\u003e 8-bit parallel-load serial shift register integrated circuits in a compact \u003cstrong\u003eSOIC-16 surface-mount package\u003c\/strong\u003e. These reliable TTL logic chips are a staple in digital design, prototyping, and electronics repair — ideal for expanding microcontroller inputs, daisy-chaining multiple registers, or reading parallel data serially over SPI-style interfaces.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e SN74LS165ADR (74LS165)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage:\u003c\/strong\u003e SOIC-16 (Surface-Mount)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e 8-Bit Parallel-In \/ Serial-Out Shift Register\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\u003eQuantity:\u003c\/strong\u003e 5 pieces per pack\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e New\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Concern Chemicals:\u003c\/strong\u003e None\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eMade in Mainland China\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCommon Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eMicrocontroller \u0026amp; microprocessor input expansion\u003c\/li\u003e\n  \u003cli\u003eData serialization in embedded systems\u003c\/li\u003e\n  \u003cli\u003eArduino, Raspberry Pi \u0026amp; hobbyist electronics projects\u003c\/li\u003e\n  \u003cli\u003eDigital logic prototyping and breadboard circuits\u003c\/li\u003e\n  \u003cli\u003eIndustrial control and automation systems\u003c\/li\u003e\n  \u003cli\u003ePCB assembly and electronics repair\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Overview\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eSN74LS165A\u003c\/strong\u003e is an 8-bit parallel-load shift register that accepts 8 bits of parallel data and shifts them out serially, making it perfect for reducing the number of I\/O lines needed from a host controller. Operating within standard 74LS supply voltage ranges (4.75V–5.25V), it offers predictable propagation delays and low-power consumption typical of the LS logic family. The SOIC-16 footprint is compatible with standard PCB pads and hand-soldering.\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 SN74LS165ADR (74LS165) shift register used for?\u003c\/h4\u003e\n\u003cp\u003eA: The SN74LS165ADR is an 8-bit parallel-in, serial-out (PISO) shift register. It is commonly used to expand the number of digital input pins available to a microcontroller (such as Arduino or Raspberry Pi) by reading multiple switches or sensors simultaneously and transmitting the data serially over just a few lines.\u003c\/p\u003e\n\u003ch4\u003eQ: How many chips are included in this listing?\u003c\/h4\u003e\n\u003cp\u003eA: This listing includes \u003cstrong\u003e5 pieces\u003c\/strong\u003e of the SN74LS165ADR integrated circuit, all new and in SOIC-16 surface-mount packages — great value for prototyping, repairs, or stocking your component inventory.\u003c\/p\u003e\n\u003ch4\u003eQ: Is the SOIC-16 package compatible with standard PCBs and breadboard adapters?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The SOIC-16 package is a widely supported surface-mount format compatible with standard PCB footprints. For breadboard use, a SOIC-to-DIP adapter is recommended. The chip can also be hand-soldered to most PCBs with standard SMD soldering tools.\u003c\/p\u003e\n\u003ch4\u003eQ: What is the operating voltage of the 74LS165 logic chip?\u003c\/h4\u003e\n\u003cp\u003eA: The 74LS (Low-Power Schottky) logic family operates at a standard supply voltage of 4.75V to 5.25V (nominally 5V), making it compatible with most TTL and 5V digital logic systems.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is the SN74LS165ADR (74LS165) shift register used for?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The SN74LS165ADR is an 8-bit parallel-in, serial-out (PISO) shift register. It is commonly used to expand the number of digital input pins available to a microcontroller (such as Arduino or Raspberry Pi) by reading multiple switches or sensors simultaneously and transmitting the data serially over just a few lines.\"}}, {\"@type\": \"Question\", \"name\": \"How many chips are included in this listing?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This listing includes 5 pieces of the SN74LS165ADR integrated circuit, all new and in SOIC-16 surface-mount packages — great value for prototyping, repairs, or stocking your component inventory.\"}}, {\"@type\": \"Question\", \"name\": \"Is the SOIC-16 package compatible with standard PCBs and breadboard adapters?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. The SOIC-16 package is a widely supported surface-mount format compatible with standard PCB footprints. For breadboard use, a SOIC-to-DIP adapter is recommended. 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