DM74AS1032AN Equivalent & Substitute Parts

Part Overview

The DM74AS1032AN is a 4-channel 2-input OR gate logic IC manufactured by onsemi in 14-MDIP packaging. This component belongs to the 74AS logic family and is classified as obsolete. The part operates within a 4.5V to 5.5V supply voltage range and is designed for through-hole mounting applications. Due to its obsolete status, identifying equivalent and substitute parts is necessary for design continuity, procurement flexibility, and long-term project support.

Substiute Parts

DM74AS1032AN

onsemiIn Stock: 1599DM74AS1032AN Datasheet

Current PartRFQ

SN74AS32N

Texas InstrumentsIn Stock: 3761SN74AS32N Datasheet

SimilarRFQ

SN74AS1032AN

Texas InstrumentsIn Stock: 2357SN74AS1032AN Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the DM74AS1032AN are identified based on strict electrical and mechanical compatibility criteria. The following parameters must match or remain within acceptable tolerances for direct substitution:

• Logic Type: OR Gate (4-channel, 2-input configuration)
• Voltage Supply Range: 4.5V ~ 5.5V
• Input Logic Levels: Low 0.8V, High 2V
• Operating Temperature Range: 0°C ~ 70°C
• Mounting Type: Through Hole
• Package Form Factor: 14-DIP (0.300", 7.62mm)
• Series Classification: 74AS logic family

Two substitute parts meet these criteria: the SN74AS32N (similar functional equivalent) and the SN74AS1032AN (parametric equivalent). Both are manufactured by Texas Instruments and maintain active product status, ensuring ongoing availability and support.

Parameter Comparison

Engineering Selection Recommendations

The SN74AS1032AN (Texas Instruments) is the primary parametric equivalent for the DM74AS1032AN. This part maintains identical output current specifications (48mA, 48mA) and propagation delay characteristics (6.3ns @ 5V, 50pF), ensuring direct functional replacement without circuit redesign. The SN74AS1032AN carries active product status and ROHS3 compliance, providing long-term supply chain stability and regulatory alignment.

The SN74AS32N (Texas Instruments) serves as a functional alternative with reduced output current capability (2mA, 20mA) and marginally improved propagation delay (5.8ns @ 5V, 50pF). This part is suitable for applications where lower output current is acceptable and timing margins permit the slight performance improvement. The SN74AS32N also maintains active status and ROHS3 compliance.

Both Texas Instruments substitutes are available in 14-PDIP packaging, which is mechanically compatible with the original 14-MDIP form factor for through-hole mounting applications. Selection between these two options depends on specific output current requirements and timing constraints of the target application.

Frequently Asked Questions (FAQ)

Q: Can the SN74AS32N directly replace the DM74AS1032AN?

A: The SN74AS32N is functionally compatible as a 4-channel 2-input OR gate within the 74AS logic family. However, output current specifications differ: the SN74AS32N provides 2mA/20mA versus the original 48mA/48mA. Verify that your circuit design can operate within the reduced output current range before substitution.

Q: What is the difference between SN74AS32N and SN74AS1032AN?

A: Both are 4-channel 2-input OR gates from Texas Instruments with identical logic function and pin configuration. The primary difference is output current: SN74AS1032AN matches the original specification (48mA, 48mA), while SN74AS32N provides lower output current (2mA, 20mA). Propagation delay also differs slightly: SN74AS32N at 5.8ns versus SN74AS1032AN at 6.3ns.

Q: Are the package dimensions compatible?

A: Yes. The original DM74AS1032AN uses 14-MDIP packaging, and both Texas Instruments substitutes use 14-PDIP packaging. Both package types conform to the 14-DIP (0.300", 7.62mm) form factor and are mechanically compatible for through-hole mounting on standard PCB layouts.

Q: Why is the DM74AS1032AN obsolete?

A: The DM74AS1032AN is classified as obsolete by onsemi. Texas Instruments continues to manufacture equivalent parts (SN74AS1032AN and SN74AS32N) in the same logic family, ensuring design continuity and component availability.

Q: Do the substitute parts meet RoHS compliance?

A: Yes. Both SN74AS32N and SN74AS1032AN are ROHS3 compliant, meeting current environmental and regulatory requirements for electronic components.

Q: What are the supply voltage requirements?

A: All three parts operate within the identical 4.5V to 5.5V supply voltage range. Input logic levels (Low 0.8V, High 2V) and operating temperature range (0°C to 70°C) are also consistent across all options.