All Alternatives

Alternatives to onsemi SN74LS374N

onsemi SN74LS374N 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 onsemi SN74LS374N

SN74LS374N compared against its qualified second sources
SN74LS374NonsemiSN74HCT374NTexas InstrumentsCD74HCT374ETexas Instruments+2more
FFF CompatibilityShares the exact same 20-pin PDIP package and identical pin layout.Physical package dimensions and through-hole mounting are a perfect match.Replaces LS logic with identical logic function and TTL-compatible thresholds, though output drive characteristics differ slightly.Exact 20-pin PDIP layout matching the original LS374.Matches package pitch, lead spacing, and standard through-hole form factor.Functionally equivalent with TTL-compatible inputs, allowing seamless operation in mixed-technology designs.
AI Summary

SN74LS374N by onsemi: Flip Flop 1 Element D-Type 8 Bit Positive Edge 20-DIP (0.300", 7.62mm).

The SN74HCT374N is a modern high-speed CMOS replacement with TTL-compatible inputs. It drops directly into the original socket and significantly reduces power dissipation while maintaining identical logical behavior and timing compatibility.

  • Vastly lower quiescent current (8 µA max vs. 40 mA max of LS)
  • TTL-compatible inputs allow direct replacement in 5V TTL systems
  • Active and widely available modern CMOS alternative
  • Lower output drive current capability (6 mA vs. 24 mA low-level sink for LS logic).

The CD74HCT374E is another active high-speed HCT CMOS alternative from Texas Instruments' CD74 series. It offers low-power CMOS operation, high noise margins, and a direct physical and logical drop-in fit.

  • Pin-compatible drop-in CMOS upgrade
  • High noise immunity and low power consumption
  • TTL-compatible input thresholds
  • CMOS output drive of 6 mA is lower than the 24 mA low-level sink of standard LS logic.
Lifecycle StatusObsoleteActiveActive
Market AvailabilityIn stockIn stockIn stock
REACHUnknownREACHREACH
RoHSRoHSRoHSRoHS
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