SN74LS126ANSR Texas Instruments Component Overview SN74LS126ANSR is a Texas Instruments LS TTL quad bus buffer with three-state outputs in a 14-SOIC style package. It is used where digital signals need buffered drive with output-enable control. Sale Basis This listing is sold as individual items because the spreadsheet quantity does not make a complete 2000-piece reel. Key Benefits and Features Quad buffer/line driver function with three-state outputs. LS TTL logic family for legacy digital designs. 14-SOIC/SOP-14 style package for surface-mount assemblies. Individual-item basis supports repair and replenishment requirements. TI datasheet family information supports pinout and electrical review. Technical Specifications Manufacturer Texas Instruments Part number SN74LS126ANSR Function Quad bus buffer Output type 3-state Logic family LS TTL Package / case 14-SOIC / SOP-14 Sale basis Individual item Design and Selection Notes Verify supply voltage, input thresholds, output drive, enable polarity, propagation delay, and output loading against the final logic design. Confirm the NSR package footprint and pinout before replacing older through-hole or alternate package variants. For substitutions, compare logic family, timing, fanout, package width, and enable behavior. Applications Legacy logic boards Bus buffering Output-enable signal control Industrial control repairs Digital interface boards Sourcing and Documentation Notes Source research used Texas Instruments SN74LS126A family documentation and DigiKey/Mouser search coverage for the SN74LS126A/SN74LS126ANSR family. FAQ What does this buffer do?It buffers four logic channels and provides output-enable control so outputs can be placed in a high-impedance state when disabled. Why verify the logic family?LS TTL voltage thresholds, drive capability, and timing differ from CMOS families, so direct substitution requires electrical review. Why is it sold individually?The spreadsheet quantity is not a complete reel, so the safer listing basis is individual items. Is this listing for a full package or individual units?This listing is sold as individual items because the spreadsheet quantity does not make a complete 2000-piece reel. What should purchasing teams verify before ordering?Verify the exact manufacturer, full part number, suffix, package format, date-code acceptance, and receiving inspection requirements against the approved purchasing specification. Can this part be substituted directly?Treat substitution as an engineering review item. Match package, pinout, electrical limits, timing behavior, isolation or thermal ratings where applicable, and qualification requirements before replacing an approved BOM item. What should engineers check before PCB release?Review the Texas Instruments datasheet for package dimensions, pin assignments, absolute maximum ratings, recommended operating conditions, and layout guidance relevant to this device. What assembly controls matter?Use ESD controls, moisture handling, soldering profile limits, and inspection practices that match the package and the manufacturer's documentation. Which documents support this listing?Source research used Texas Instruments SN74LS126A family documentation and DigiKey/Mouser search coverage for the SN74LS126A/SN74LS126ANSR family.
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