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No direct cross-reference match yet. Try a shorter part-number prefix or request a quote for HD74LS27 . Related component records are listed below.
Request quote for this part Closest catalog match: HD74LS273RPEL This record is the closest catalog match to your search and may differ from the source parts above.
Part number HD74LS273RPEL
Manufacturer Not available
Product type Not available
Package SOIC-20-300mil View catalog details Generic / Functional Group Part-set membership only; this is not a statement of verified equivalence.
HD74LS27 Current component 7427 Fairchild Semiconductor, Roc · 14DF 7427 -- · 7427 7427 -- · 7427 74ALS27 Philips Semiconductors · 14DFS,20C 74F27 Philips Semiconductors, Sig, Valvo · 14DFS,20C 74HC27 NXP Semiconductors · 14HDS 74HCT27 NXP Semiconductors · 14HDS 74LS27 Fairchild Semiconductor, Roc, Tsm · 14DF,20C 74LV27 Philips Semiconductors · 14DS 74VHC27 Fairchild Semiconductor · 14DS CD54HC27 RCA · 14DC CD74HC27 Harris Semiconductor, RCA · 14DSC CD74HCT27 Harris Semiconductor, RCA, Roc · 14DSC DM7427 National Semiconductor, Roc · 14DF DM74ALS27 Fairchild Semiconductor, National Semiconductor · 14DFS,20C DM74AS27 Fairchild Semiconductor, National Semiconductor · 14DS DM74LS27 Fairchild Semiconductor, National Semiconductor, Roc · 14DFS ECG7427 Ecg · 14D ECG74LS27 Ecg · 14D FLH621 Siemens · 14D FLH625 Siemens · 14D HD7427 Hitachi · 14D HD74HC27 Hitachi, Renesas Electronics · 14DS I74F27 NXP Semiconductors, Philips Semiconductors · 14DS K155LE4 Gus · 14D K533LE4 Gus · 14F K555LE4 Gus · 14D KM555LE4 Gus · 14D LC74HC27 Sanyo Semiconductor · 14D LR74HC27 Sha · 14D M53227 Mitsubishi · 14D M74ALS27 Mitsubishi · 14D M74AS27 Mitsubishi · 14D M74HC27 Mitsubishi · 14DS,20C M74HCT27 SGS · 14DS,20C M74LS27 Mitsubishi · 14D MB74ALS27 Fujitsu · 14D MB74F27 Fujitsu · 14D MB74HC27 Fujitsu · 14D MB74LS27 Fujitsu · 14D MC7427 Motorola · 14DF MC74ALS27 Motorola · 14DF MC74HC27 Motorola · 14DS ML7427 Lan · 14DF MM74HC27 National Semiconductor, Roc · 14DFS,20C MN74HC27 Matsushita Electric · 14DS N7427 Mul, Philips Semiconductors, Sig · 14D N74F27 NXP Semiconductors, Philips Semiconductors, Sig · 14DS N74LS27 Mul, Philips Semiconductors, Sig · 14DS PC74HC27 Philips Semiconductors, Valvo · 14DS PC74HCT27 Philips Semiconductors, Valvo · 14DS S7427 Mul, Philips Semiconductors, Sig · 14D S74LS27 Mul, Philips Semiconductors, Sig · 14D SL5427 Lan · 14D SL7427 Lan · 14D SL74LS27 Lan · 14DS SN7427 Roc, Texas Instruments · 14DF SN74AHC27 Texas Instruments · 14DFS,20C SN74AHCT27 Texas Instruments · 14DFS,20C SN74ALS27 Texas Instruments · 14DS,20C SN74AS27 Texas Instruments · 14DS,20C SN74F27 Texas Instruments · 14DS,20C SN74HC27 Texas Instruments · 14DFS,20C SN74LS27 Motorola · 14DFS,20C SN74S27 Texas Instruments · 14S,20C SNJ7427 Texas Instruments · 14DF SNJ74ALS27 Texas Instruments · 14DF,20C SNJ74AS27 Texas Instruments · 14DF,20C SNJ74F27 Texas Instruments · 14DF,20C SNJ74LS27 Texas Instruments · 14DF,20C T74HC27 SGS · 14D T74LS27 SGS · 14DS,20C TC74HC27 Toshiba · 14DS TD74HC27 Toshiba · 14D US7427 Spr · 14D ZN7427 Fer · 14D µPB74HC27 NEC · 14D 78 group members
Before you substitute
A match is the beginning. Use the manufacturer’s datasheets and your application requirements to evaluate each candidate.
01 Package & pinout Compare dimensions, mounting style and every pin assignment. A matching package alone does not establish compatibility.
02 Electrical limits Review supply range, voltage and current ratings, power dissipation and the operating conditions behind each specification.
03 Function & performance Check timing, accuracy, bandwidth and application-specific behavior against your circuit requirements.
04 Temperature & qualification Confirm the operating temperature range, required qualifications and reliability needs for your application.
Understand the relationship
Related doesn’t always Each relationship gives you a different starting point for evaluation.
Cross-reference candidates Parts linked by a cross-reference record. Compare specifications and validate suitability for your circuit.
Generic / functional groups Parts grouped by a common family or function. Individual variants can differ in package, ratings and behavior.
Complementary parts Devices with a paired or supporting role. These relationships do not imply interchangeability. Keep your sourcing moving
Haven’t found the part you need? Start a quote request for HD74LS27 and add your package, quantity and requirements.
Request a quote A few useful answers
Before you choose. How are alternative candidates found? Voltkit uses catalog cross-reference and component relationship records to surface candidates. Search by part number, then review the available source and candidate details side by side.
Can I use a cross-reference part as a direct replacement? A cross-reference is a starting point for evaluation. Confirm the pinout, electrical specifications and application requirements in the manufacturers’ datasheets, then validate the part in your design before approving a replacement.
Why are some parameters missing? Not every catalog record includes every specification. “Not available” means that field is missing from the available record; it does not mean the two parts have the same specification. Refer to the manufacturer’s datasheet for confirmation.
What should I do if my part has no matches? Check the spelling and try a shorter part-number prefix. You can also request a quote with the exact model and describe the package, quantity and requirements you need.
Are complementary parts also substitutes? No. Complementary parts are related devices intended for a different or paired role. Their relationship does not imply that they are interchangeable.
