All Alternatives

Alternatives to Nexperia 74ABT240PW

Nexperia 74ABT240PW and its qualified second sources, compared on form, fit and function, stock, lifecycle and price — the same checks Parter runs inside a BOM.

Equivalent and substitute parts for Nexperia 74ABT240PW

74ABT240PW compared against its qualified second sources
74ABT240PWNexperiaSN74ABT240APWRTexas Instruments74ACT240MTCXonsemi
FFF CompatibilityThe SN74ABT240APWR shares the identical 20-pin TSSOP footprint and logical pin assignment, meaning it functions as a direct physical and logical drop-in replacement. Note that pin descriptions in the datasheet use 1-based indexing (1A1-1A4, 2A1-2A4) instead of 0-based indexing (1A0-1A3, 2A0-2A3), but the physical mappings are identical.Both parts are housed in a 20-pin TSSOP package with matching lead pitch, body width, and mounting dimensions.Meets or exceeds all electrical characteristics of the original part, including the 4.5V to 5.5V operating range and the ±32mA/64mA high-drive outputs.Shares the exact same physical package layout and 20-pin TSSOP configuration, allowing it to fit onto the same board footprint. Pin numbering matches the logical connections.Standard 20-TSSOP package format is fully interchangeable.The 74ACT family uses CMOS technology rather than BiCMOS. While logic levels are TTL-compatible, the maximum output drive current is lower (±24mA source/sink compared to the original's +64mA/-32mA). This might be a limitation in heavily loaded bus-driving designs.
AI Summary

74ABT240PW by Nexperia: Buffer, Inverting 2 Element 4 Bit per Element 3-State Output 20-TSSOP.

The SN74ABT240APWR is the direct parametric equivalent and manufacturer-recommended replacement from Texas Instruments. It preserves the same high-drive BiCMOS logic family performance, making it the most reliable drop-in alternative for the obsolete NXP part.

  • Pin-compatible drop-in replacement
  • Identical 32mA source / 64mA sink high-drive capability
  • Same BiCMOS technology with high-speed performance (typical 3.1 ns delay)

The onsemi 74ACT240MTCX is a high-speed CMOS alternative with TTL-compatible inputs. It is fully pin-compatible and ideal for designs that do not strictly require the extreme 64mA drive current of the original BiCMOS part.

  • Pin-compatible drop-in replacement
  • Active product lifecycle with high market availability
  • Advanced CMOS technology offers lower quiescent power consumption than BiCMOS
  • Lower output drive current (24mA source/sink vs 32mA source/64mA sink of original)
  • Different technology family (CMOS vs BiCMOS) may alter switching noise profile
Lifecycle StatusObsoleteActiveActive
Market AvailabilityNon-stockIn stockIn stock
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Related parts

PartMarket availabilityLifecycleAlternatives available
MC74ACT240DWonsemiDiscontinuedObsolete3Alternatives availableSee Alternatives
74ACT16240DLTexas InstrumentsIn stockObsolete4Alternatives availableSee Alternatives
74ABT245CSCXonsemiDiscontinuedObsolete5Alternatives availableSee Alternatives
SN75240PWTexas InstrumentsNon-stockObsolete4Alternatives availableSee Alternatives
74ACT16240SSConsemiIn stockObsolete4Alternatives availableSee Alternatives
SN74AHCT541PWTexas InstrumentsIn stockObsolete4Alternatives availableSee Alternatives

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