DM74AS374N Equivalent & Substitute Parts

Part Overview

The DM74AS374N is a logic integrated circuit functioning as a D-Type flip-flop with 8-bit capacity, manufactured by onsemi. This component is classified as obsolete, which necessitates identification of equivalent substitute parts for ongoing system maintenance and new design implementations. The part operates as a standard D-Type flip-flop with tri-state, non-inverted output configuration, suitable for digital logic applications requiring edge-triggered data storage and transfer.

Substiute Parts

DM74AS374N

onsemiIn Stock: 1237DM74AS374N Datasheet

Current PartRFQ

SN74AS374N

Texas InstrumentsIn Stock: 3965SN74AS374N Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the DM74AS374N is determined by strict equivalence across the following critical parameters:

• Functional Type: D-Type flip-flop with 8-bit configuration
• Output Configuration: Tri-state, non-inverted output
• Electrical Specifications: Clock frequency (125 MHz), propagation delay (9ns @ 5V, 50pF), output current ratings (15mA high, 48mA low), supply voltage (4.5V ~ 5.5V), quiescent current (120 mA)
• Trigger Mechanism: Positive edge triggering
• Package Format: 20-DIP (0.300", 7.62mm) through-hole mounting
• Series Compatibility: 74AS logic family

The SN74AS374N from Texas Instruments meets all specified electrical and mechanical parameters, establishing it as a direct functional equivalent. Both parts share identical performance characteristics, package dimensions, and pin configurations, enabling direct substitution in circuit applications.

Parameter Comparison

Engineering Selection Recommendations

The SN74AS374N from Texas Instruments is the direct substitute for the obsolete DM74AS374N. The Texas Instruments part maintains active product status, ensuring continued availability and supply chain reliability. Both components are REACH compliant and classified under identical ECCN and HTSUS codes, confirming regulatory equivalence.

The SN74AS374N is supplied in tube packaging and carries RoHS3 compliance certification, providing additional environmental and regulatory advantages for new designs and system upgrades. The electrical and mechanical specifications are identical across all critical parameters, enabling seamless integration into existing circuit designs without modification.

Frequently Asked Questions (FAQ)

Q: Can the SN74AS374N directly replace the DM74AS374N without circuit modifications?

A: Yes. Both parts are electrically and mechanically identical across all specified parameters, including pin configuration, voltage supply requirements, output current ratings, propagation delay, and package dimensions. Direct substitution is supported.

Q: What is the significance of the product status difference between the two parts?

A: The DM74AS374N is classified as obsolete, indicating discontinued manufacturing and limited availability. The SN74AS374N maintains active status, ensuring reliable supply for current and future applications. For new designs and system maintenance, the active SN74AS374N is the preferred selection.

Q: Are there compliance or certification differences between these parts?

A: Both parts are REACH compliant and share identical ECCN and HTSUS classifications. The SN74AS374N carries RoHS3 compliance certification, meeting additional environmental standards applicable to modern manufacturing and distribution requirements.

Q: Does the 20-DIP package format remain consistent between substitute parts?

A: Yes. Both the DM74AS374N and SN74AS374N utilize the 20-DIP (0.300", 7.62mm) through-hole package format, ensuring identical PCB footprint and mounting compatibility.

Q: What are the key electrical parameters that define substitution eligibility?

A: Substitution is determined by equivalence in clock frequency (125 MHz), propagation delay (9ns @ 5V, 50pF), output current specifications (15mA high, 48mA low), supply voltage range (4.5V ~ 5.5V), quiescent current (120 mA), and operating temperature range (0°C ~ 70°C). All parameters are identical between the main part and substitute.