DM74AS00N NAND Gate IC Equivalent & Substitute Parts

Part Overview

The DM74AS00N is a 4-channel 2-input NAND gate logic IC manufactured by onsemi in 14-MDIP packaging. This component is classified as obsolete, making equivalent substitute parts necessary for new designs and ongoing production requirements. The DM74AS00N operates within the 74AS logic family standard, which defines compatible electrical and mechanical parameters for direct substitution.

Substiute Parts

DM74AS00N

onsemiIn Stock: 1607DM74AS00N Datasheet

Current PartRFQ

SN74AS00N

Texas InstrumentsIn Stock: 2142SN74AS00N Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the DM74AS00N is determined by strict equivalence across the following parameters:

• Logic family and base product number (74AS00)
• Functional configuration: 4-channel NAND gate with 2 inputs per channel
• Electrical specifications: supply voltage range, output current ratings, input logic levels, and propagation delay
• Physical package compatibility: 14-DIP form factor with 0.300" (7.62mm) pitch
• Mounting technology: through-hole configuration

The SN74AS00N from Texas Instruments meets all these criteria and qualifies as a direct substitute. Both parts operate identically within the specified electrical and thermal parameters.

Parameter Comparison

Engineering Selection Recommendations

The SN74AS00N is the qualified substitute for the DM74AS00N. Selection is based on the following factors:

• Electrical parameter equivalence across all specified ratings
• Identical 14-DIP package footprint and through-hole mounting compatibility
• Active product status of the SN74AS00N ensures ongoing availability and supply chain continuity
• RoHS3 compliance of the SN74AS00N meets current environmental and regulatory requirements
• Both parts share identical REACH and ECCN classifications

For applications currently using the obsolete DM74AS00N, the SN74AS00N provides direct functional and mechanical compatibility without circuit redesign.

Frequently Asked Questions (FAQ)

Q: Can the SN74AS00N replace the DM74AS00N in existing designs?

A: Yes. Both parts are electrically and mechanically equivalent within the 74AS logic family. The SN74AS00N operates at identical voltage, current, timing, and temperature specifications. The 14-DIP package footprint is identical, enabling direct board-level substitution.

Q: What is the difference between 14-MDIP and 14-PDIP packaging?

A: Both designations refer to 14-pin DIP packages with 0.300" (7.62mm) pitch. MDIP and PDIP are manufacturer-specific naming conventions for the same physical form factor. The parts are mechanically and electrically interchangeable.

Q: Why is the DM74AS00N listed as obsolete?

A: Obsolete status indicates the manufacturer (onsemi) has discontinued production. The SN74AS00N from Texas Instruments remains in active production, providing a reliable long-term supply source for the 74AS00 NAND gate function.

Q: Are there compliance differences between the two parts?

A: The SN74AS00N carries RoHS3 compliance certification, while the DM74AS00N does not specify this status. Both parts are REACH Unaffected and share identical ECCN and HTSUS classifications. For applications requiring RoHS compliance, the SN74AS00N is the appropriate choice.

Q: What are the critical parameters for substitution?

A: Substitution is valid when the following parameters match: logic family (74AS), circuit count (4 channels), input count (2 per channel), supply voltage range (4.5V ~ 5.5V), output current ratings (2mA high, 20mA low), propagation delay (4.5ns @ 5V, 50pF), operating temperature range (0°C ~ 70°C), and package type (14-DIP).