DM74ALS374N Equivalent & Substitute Parts

Part Overview

The DM74ALS374N is a Logic category integrated circuit functioning as a Flip Flop 1 Element D-Type 8 Bit Positive Edge device in 20-DIP (0.300", 7.62mm) through-hole packaging. This component is classified as Obsolete, making identification of functionally equivalent alternatives necessary for ongoing system support and component procurement. The part operates within the 74ALS series standard logic family and provides tri-state, non-inverted output configuration suitable for digital logic applications requiring edge-triggered data storage.

Substiute Parts

DM74ALS374N

onsemiIn Stock: 1157DM74ALS374N Datasheet

Current PartRFQ

SN74ALS374AN

Texas InstrumentsIn Stock: 3086SN74ALS374AN Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the DM74ALS374N is determined by strict equivalence across the following critical parameters:

• Logic Function: D-Type flip flop with 8-bit configuration and positive edge triggering
• Output Configuration: Tri-state, non-inverted output
• Electrical Specifications: 35 MHz clock frequency, 16ns maximum propagation delay at 5V with 50pF load, 4.5V to 5.5V supply voltage range
• Package Format: 20-DIP (0.300", 7.62mm) through-hole mounting
• Quiescent Current: 19 mA maximum
• Operating Temperature Range: 0°C to 70°C

The SN74ALS374AN from Texas Instruments meets all specified electrical and mechanical parameters, maintaining functional and pin-level compatibility with the DM74ALS374N within the 74ALS logic family standard.

Parameter Comparison

Engineering Selection Recommendations

The SN74ALS374AN is the direct functional equivalent for the obsolete DM74ALS374N. The Texas Instruments part maintains identical electrical performance specifications and physical packaging, enabling direct substitution in existing designs. The SN74ALS374AN carries Active product status, ensuring continued availability and supply chain support. The substitute part is ROHS3 Compliant and carries REACH Unaffected certification, meeting current regulatory requirements. Both parts share identical ECCN (EAR99) and HTSUS (8542.39.0001) classifications. Selection of the SN74ALS374AN addresses obsolescence concerns while preserving circuit functionality and performance characteristics.

Frequently Asked Questions (FAQ)

Q: Can the SN74ALS374AN directly replace the DM74ALS374N in existing PCB designs?

A: Yes. Both parts are pin-compatible 20-DIP packages with identical electrical specifications, including clock frequency, propagation delay, supply voltage range, and quiescent current. No circuit modifications are required.

Q: What is the primary reason for seeking a substitute for the DM74ALS374N?

A: The DM74ALS374N is classified as Obsolete. The SN74ALS374AN maintains Active status, ensuring long-term availability and supply chain continuity.

Q: Are there packaging differences between these parts?

A: Both parts use identical 20-DIP (0.300", 7.62mm) through-hole packaging. Mechanical fit and PCB layout compatibility are maintained.

Q: What compliance certifications apply to the substitute part?

A: The SN74ALS374AN is ROHS3 Compliant and carries REACH Unaffected status. Both parts share identical export classification (EAR99) and tariff codes (8542.39.0001).

Q: Are the electrical performance characteristics identical?

A: Yes. Both parts operate at 35 MHz clock frequency with 16ns maximum propagation delay at 5V with 50pF load, 4.5V to 5.5V supply voltage range, and 19 mA quiescent current. Operating temperature range is 0°C to 70°C for both.