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Compare your next alternative. Review candidate specifications side by side, then take the next step in sourcing.
Review datasheets before approving a substitute.
No direct cross-reference match yet. Try a shorter part-number prefix or request a quote for LR74HC02 . Related component records are listed below.
Request quote for this part No catalog parameters found for this search. Try a shorter prefix.
Generic / Functional Group 4X2 NOR / 7402 GENERIC_ENTITY Members share a generic or functional grouping. Verify package, pinout, and electrical limits before use.
LR74HC02 Current component 74ABT02 NXP Semiconductors, Philips Semiconductors · 14DS 74AC02 Fairchild Semiconductor, National Semiconductor · 14DFS,20C 74ACT02 Fairchild Semiconductor, National Semiconductor · 14DFS,20C 74ACTQ02 Fairchild Semiconductor, National Semiconductor · 14DFS,20C 74HC02 Philips Semiconductors · 14DS 74HCT02 NXP Semiconductors, Philips Semiconductors · 14DS 74LCX02 Fairchild Semiconductor, National Semiconductor · 14S 74LV02 NXP Semiconductors · 14HDS 74LVC02 Philips Semiconductors · 14S 74LVQ02 Fairchild Semiconductor, National Semiconductor · 14S 74LVT02 NXP Semiconductors, Philips Semiconductors · 14S 74LVX02 Fairchild Semiconductor, National Semiconductor · 14S 74VHC02 Fairchild Semiconductor · 14DS CD54HC02 RCA · 14DC CD74AC02 Harris Semiconductor · 14DSC CD74ACT02 Harris Semiconductor · 14DSC CD74HC02 Harris Semiconductor, RCA · 14DSC CD74HCT02 Harris Semiconductor, RCA · 14DSC HD74AC02 Hitachi, Renesas Electronics · 14DS HD74HC02 Hitachi, Renesas Electronics · 14DS HD74LV02 Hitachi · 14S HD74LVC02 Hitachi, Renesas Electronics · 14S JRC74HC02 Njr · 14D LC74HC02 Sanyo Semiconductor · 14D M74HC02 Mitsubishi · 14DS,20C M74HCT02 SGS · 14DS,20C MB74HC02 Fujitsu · 14D MC74AC02 Motorola, onsemi · 14DS MC74ACT02 Motorola, onsemi · 14DS MC74HC02 Motorola · 14DS MC74LCX02 Motorola, onsemi · 14S MC74LVQ02 Motorola · 14S MC74VHC02 Motorola, onsemi · 14S MM54HC02 National Semiconductor · 14DF,20C MM74HC02 Fairchild Semiconductor, National Semiconductor · 14DFS,20C MN74HC02 Matsushita Electric · 14DS MSM74HC02 Oki · 14D PC74HC02 Philips Semiconductors, Valvo · 14DS PC74HCT02 Philips Semiconductors, Valvo · 14DS SN74AHC02 Texas Instruments · 14DFS,20C SN74AHCT02 Texas Instruments · 14DFS,20C SN74HC02 Texas Instruments · 14DFS,20C SN74HCT02 Texas Instruments · 14DFS,20C SN74LV02 Texas Instruments · 14DFS,20C SN74LVC02A Texas Instruments · 14HDFS,20C T74HC02 SGS · 14D TC74HC02 Toshiba · 14DS TC74HCT02 Toshiba · 14DS TD74HC02 Toshiba · 14D U74HCT02 Kme · 14DS µPB74HC02 NEC · 14D 52 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 LR74HC02 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.
