{"product_id":"smd-sn74ls155-dual-decoder-demultiplexer-ic-sop16-pakistan","title":"SMD SN74LS155 Dual 2-to-4 Decoder\/Demultiplexer IC SOP-16 (74LS155 Logic IC)","description":"\u003cp\u003eThe SMD SN74LS155 is a dual 2-to-4 line decoder\/demultiplexer IC in SOP-16 (SOIC-16) surface-mount package, designed for address decoding and data distribution applications in Pakistan. This TTL logic integrated circuit contains two independent 2-to-4 decoders with active-low outputs, providing reliable decoding for memory systems, data routing, and digital control logic. The SMD package enables compact PCB layouts and automated assembly for professional electronics manufacturing and prototyping.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDual 2-to-4 line decoders provide two independent decoders in one IC\u003c\/li\u003e\n\u003cli\u003eSOP-16 (SOIC-16) surface-mount package for compact PCB design and automated assembly\u003c\/li\u003e\n\u003cli\u003eActive-low outputs ideal for chip select and enable signal generation\u003c\/li\u003e\n\u003cli\u003eTTL-compatible inputs and outputs work with standard 5V logic circuits in Pakistan\u003c\/li\u003e\n\u003cli\u003eIndividual enable inputs for each decoder provide flexible control\u003c\/li\u003e\n\u003cli\u003eCan function as 1-to-4 demultiplexer with data input capability\u003c\/li\u003e\n\u003cli\u003eIndustry-standard pinout compatible with 74LS155 and 74155 logic families\u003c\/li\u003e\n\u003cli\u003eRoHS compliant and suitable for lead-free soldering processes\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eApplications \u0026amp; Use Cases\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eMemory address decoding and chip select generation in Pakistan\u003c\/li\u003e\n\u003cli\u003eData demultiplexing and signal distribution circuits\u003c\/li\u003e\n\u003cli\u003eMicrocontroller and microprocessor peripheral selection\u003c\/li\u003e\n\u003cli\u003eDigital control systems and state machine logic\u003c\/li\u003e\n\u003cli\u003eI\/O port expansion and device selection circuits\u003c\/li\u003e\n\u003cli\u003eEducational electronics and digital logic learning projects\u003c\/li\u003e\n\u003cli\u003eIndustrial automation and control system address decoding\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003ePart Number:\u003c\/b\u003e SN74LS155 (Texas Instruments)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFunction:\u003c\/b\u003e Dual 2-to-4 Line Decoder\/Demultiplexer\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eNumber of Decoders:\u003c\/b\u003e 2 independent 2-to-4 decoders\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInputs:\u003c\/b\u003e 2 address inputs per decoder (A0, A1)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOutputs:\u003c\/b\u003e 4 active-low outputs per decoder\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eEnable Inputs:\u003c\/b\u003e Individual enable controls for each decoder\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eLogic Family:\u003c\/b\u003e TTL (74LS series - Low-power Schottky)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePackage:\u003c\/b\u003e SOP-16 \/ SOIC-16 (Surface Mount)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSupply Voltage:\u003c\/b\u003e 5V DC (4.75V to 5.25V typical)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInput Logic Levels:\u003c\/b\u003e TTL compatible (VIH ≥2.0V, VIL ≤0.8V)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOutput Logic Levels:\u003c\/b\u003e TTL compatible (VOH ≥2.7V, VOL ≤0.5V)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePropagation Delay:\u003c\/b\u003e Typical 20ns\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOperating Temperature:\u003c\/b\u003e 0°C to +70°C (commercial grade)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePin Count:\u003c\/b\u003e 16 pins\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMounting:\u003c\/b\u003e Surface mount (SMD\/SMT)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWeight:\u003c\/b\u003e Approx. 0.3g\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhy Buy from Digilog.pk?\u003c\/h3\u003e\u003cp\u003eWe provide authentic SN74LS155 and 74LS series decoder ICs in Pakistan at competitive prices. Fast delivery to Lahore, Karachi, Islamabad, Rawalpindi, Faisalabad, Multan, and across Pakistan with technical support for your digital decoding and demultiplexing projects.\u003c\/p\u003e","brand":"Texas Instruments","offers":[{"title":"Default Title","offer_id":43962625097793,"sku":"SN74LS155-SOP16","price":100.0,"currency_code":"PKR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0727\/2805\/1777\/files\/SOP_16_35a768e6-4f68-46cc-adad-943fd7b6a2f9.jpg?v=1779582612","url":"https:\/\/stem.pk\/products\/smd-sn74ls155-dual-decoder-demultiplexer-ic-sop16-pakistan","provider":"stem.pk","version":"1.0","type":"link"}