All Alternatives

Alternatives to onsemi DM74ALS574AWM

onsemi DM74ALS574AWM 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 DM74ALS574AWM

DM74ALS574AWM compared against its qualified second sources
DM74ALS574AWMonsemiMC74ACT574DWR2GonsemiSN74ALS574BDWRTexas Instruments+1more
FFF CompatibilityMatches standard SOIC-20W footprint and has the exact same pin assignments as the original.Identical physical dimensions and mounting footprint.Runs on the same 5V supply and meets or exceeds all performance and drive strength ratings of the original part.Standard 20-pin SOIC package (DW-20, 7.5mm wide) with identical pin-to-pin functional assignments.Matches physical body dimensions, 1.27mm pitch, and surface mount footprint of the original package.Matches all critical electrical ratings including 4.5V–5.5V supply voltage, 35 MHz clock frequency, and output current drive.
AI Summary

DM74ALS574AWM by onsemi: Flip Flop 1 Element D-Type 8 Bit Positive Edge 20-SOIC (0.295", 7.50mm Width).

The MC74ACT574DWR2G is an advanced CMOS (ACT) alternative that features TTL-compatible inputs. It offers major benefits in power savings, speed, and output drive while retaining full hardware compatibility.

  • Significantly reduced quiescent power consumption (8 µA max vs 18 mA for the original)
  • Faster propagation delay (11 ns max vs 14 ns max) and higher clock frequency support (100 MHz vs 35 MHz)
  • Active product status with strong current drive (24mA sink/source)
  • CMOS technology may introduce faster edge rates compared to bipolar TTL, potentially requiring series damping resistors on high-speed lines to manage EMI or signal reflections.

The SN74ALS574BDWR is the direct, active second-source replacement from Texas Instruments. It belongs to the same 74ALS logic family, maintaining identical timing, power levels, and 24mA low-level bus-drive capability without requiring any design modifications.

  • Direct technology match (74ALS series) ensuring identical electrical and switching characteristics
  • Fully pin-compatible drop-in replacement with identical layout topology
  • Identical 24mA low-level output sink capability to support identical bus loading
Lifecycle StatusObsoleteActiveActive
Market AvailabilityDiscontinuedIn stockIn stock
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