DM74ALS00ASJ Equivalent & Substitute Parts

Part Overview

The DM74ALS00ASJ is a NAND Gate IC with 4 channels and 2 inputs per channel, manufactured by onsemi in a 14-SOP surface mount package. This component is classified as obsolete, making equivalent substitute parts necessary for new designs and ongoing production requirements. The 74ALS logic family provides standard TTL-compatible switching functionality with low power consumption characteristics suitable for digital logic applications.

Substiute Parts

DM74ALS00ASJ

onsemiIn Stock: 695DM74ALS00ASJ Datasheet

Current PartRFQ

SN74ALS00ANSR

Texas InstrumentsIn Stock: 4081SN74ALS00ANSR Datasheet

DirectRFQ

SN74ALS00AD

Texas InstrumentsIn Stock: 1565SN74ALS00AD Datasheet

SimilarRFQ

SN74ALS00ADR

Texas InstrumentsIn Stock: 3673SN74ALS00ADR Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the DM74ALS00ASJ is determined by strict equivalence across the following electrical and mechanical parameters:

Electrical Equivalence Requirements:

• Logic Type: NAND Gate (4 channels, 2 inputs)
• Voltage Supply Range: 4.5V ~ 5.5V
• Output Current Specifications: 400µA (high), 8mA (low)
• Input Logic Levels: 0.8V (low), 2V (high)
• Propagation Delay: 11ns @ 5V, 50pF
• Operating Temperature: 0°C ~ 70°C

Mechanical Equivalence Requirements:

• Mounting Type: Surface Mount
• Package Family: 14-pin SOIC variants
• Base Product Number: 74ALS00 series

All substitute parts listed maintain identical electrical performance and functional compatibility. Package variations (14-SOP, 14-SO, 14-SOIC) are mechanically compatible within standard PCB footprint tolerances for 14-pin surface mount configurations.

Parameter Comparison

Engineering Selection Recommendations

Primary Recommendation: SN74ALS00ADR (Texas Instruments)

The SN74ALS00ADR is the preferred substitute for the obsolete DM74ALS00ASJ. This part maintains active product status with full ROHS3 compliance and is available in Tape & Reel packaging suitable for automated assembly. Electrical and functional parameters are identical to the original component.

Secondary Recommendation: SN74ALS00ANSR (Texas Instruments)

The SN74ALS00ANSR provides an alternative with active product status and identical electrical specifications. This variant is packaged in 14-SO format with Tape & Reel delivery, offering equivalent performance for applications where the specific package variant is acceptable.

Alternative Option: SN74ALS00AD (Texas Instruments)

The SN74ALS00AD maintains full electrical equivalence but carries Last Time Buy status, indicating limited future availability. This part is suitable only for legacy system maintenance or applications with extended component lifecycles where supply continuity is not a primary concern.

Compliance Consideration:

All Texas Instruments substitutes provide ROHS3 compliance, representing an improvement over the original onsemi component's REACH Unaffected status. This compliance upgrade is beneficial for applications subject to environmental regulations.

Frequently Asked Questions (FAQ)

Q: Can SN74ALS00ADR be used as a direct replacement for DM74ALS00ASJ?

A: Yes. The SN74ALS00ADR is electrically and functionally equivalent. Both components share identical logic type, circuit count, input configuration, voltage supply range, output current specifications, input logic levels, propagation delay, and operating temperature range. Surface mount package compatibility is maintained across 14-pin SOIC variants.

Q: What is the difference between the 14-SOP, 14-SO, and 14-SOIC packages?

A: These are all 14-pin surface mount packages with compatible pinouts for the 74ALS00 logic family. The primary differences are in physical dimensions and lead pitch specifications. The 14-SOP (0.209" width) and 14-SO variants are mechanically similar, while the 14-SOIC (0.154" width) represents a narrower package variant. All three are functionally interchangeable for circuit design purposes, though PCB footprint design must account for the specific package width.

Q: Why is the DM74ALS00ASJ obsolete?

A: The DM74ALS00ASJ has reached end-of-life status with onsemi. Texas Instruments continues active production of equivalent 74ALS00 variants, making substitution necessary for new designs and ongoing production support.

Q: Are there any electrical performance differences between the substitute parts?

A: No. All substitute parts listed maintain identical electrical specifications including voltage supply range, output current, input logic levels, propagation delay, and operating temperature range. Functional performance is equivalent across all variants.

Q: What is the significance of ROHS3 compliance on the Texas Instruments substitutes?

A: ROHS3 compliance indicates conformance to Restriction of Hazardous Substances regulations, restricting the use of specific hazardous materials in electrical and electronic equipment. The Texas Instruments substitutes provide this compliance, which may be required for applications subject to environmental regulations or customer specifications.

Q: Can I mix different substitute parts in the same design?

A: Yes. All listed substitutes are electrically and functionally equivalent. However, for manufacturing consistency and supply chain management, it is recommended to standardize on a single part number per design revision.

Q: What is the inventory status of these substitute parts?

A: SN74ALS00ADR has 3633 units in stock, SN74ALS00ANSR has 4008 units in stock, and SN74ALS00AD has 1467 units in stock. Inventory levels should be confirmed with your supplier for current availability.