DM74ALS1005M Equivalent & Substitute Parts

Part Overview

The DM74ALS1005M is a 6-channel inverter logic IC with open collector outputs in a 14-SOIC surface mount package, manufactured by onsemi. This part is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement. The DM74ALS1005M belongs to the 74ALS logic family and operates within a 4.5V to 5.5V supply voltage range with a maximum propagation delay of 30ns at 5V with 50pF load.

Substiute Parts

DM74ALS1005M

onsemiIn Stock: 1712DM74ALS1005M Datasheet

Current PartRFQ

SN74ALS1005DR

Texas InstrumentsIn Stock: 2194SN74ALS1005DR Datasheet

DirectRFQ

SN74ALS05AD

Texas InstrumentsIn Stock: 2230SN74ALS05AD Datasheet

SimilarRFQ

SN74ALS05ADR

Texas InstrumentsIn Stock: 2298SN74ALS05ADR Datasheet

SimilarRFQ

SN74ALS05ANSR

Texas InstrumentsIn Stock: 5375SN74ALS05ANSR Datasheet

SimilarRFQ

SN74ALS1005NSR

Texas InstrumentsIn Stock: 1931SN74ALS1005NSR Datasheet

SimilarRFQ

SN74ALS1005D

Texas InstrumentsIn Stock: 3230SN74ALS1005D Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the DM74ALS1005M is determined by strict equivalence across the following parameters: logic type (inverter), number of circuits (6), number of inputs (1), open collector feature, supply voltage range (4.5V ~ 5.5V), input logic levels (0.8V low, 2V high), operating temperature range (0°C ~ 70°C), and package type (14-SOIC or compatible 14-SO).

Substitute parts are grouped into three categories:

Direct Manufacturer Equivalents: Parts with identical electrical specifications and packaging, differing only in manufacturer or product status.

Similar Parts with Parameter Variations: Parts meeting core functional requirements but with acceptable variations in output current (8mA vs 24mA) or propagation delay (54ns vs 30ns), which remain compatible within typical application tolerances.

Parametric Equivalents: Parts with identical base specifications but different packaging formats or product lifecycle status.

Parameter Comparison

Engineering Selection Recommendations

Primary Recommendation: SN74ALS1005DR (Texas Instruments) is the optimal substitute. It maintains identical electrical specifications to the DM74ALS1005M, including 24mA output current and 30ns propagation delay, while offering active product status and ROHS3 compliance. The 14-SOIC package matches the original footprint exactly.

Secondary Recommendation: SN74ALS1005D (Texas Instruments) provides parametric equivalence with identical electrical performance but carries Last Time Buy status. This part is suitable for designs where long-term availability is not critical.

Alternative with Package Consideration: SN74ALS1005NSR (Texas Instruments) maintains identical electrical specifications but uses a 14-SO package with 0.209" width versus the original 0.154" width. PCB layout modification is required for this substitution.

Lower Performance Alternative: SN74ALS05ADR and SN74ALS05AD (Texas Instruments) reduce output current to 8mA and increase propagation delay to 54ns. These parts are suitable only for applications where reduced drive capability and slower switching are acceptable. SN74ALS05ADR is active; SN74ALS05AD is Last Time Buy.

Packaging Variant: SN74ALS05ANSR uses a wider 14-SO package (0.209") with reduced output current (8mA) and increased propagation delay (54ns). This part is active but requires PCB layout modification.

Frequently Asked Questions (FAQ)

Q: Can SN74ALS1005DR be used as a direct drop-in replacement for DM74ALS1005M?

A: Yes. SN74ALS1005DR is electrically and mechanically identical to DM74ALS1005M. Both use the 14-SOIC package with 0.154" width, maintain 24mA output current, and deliver 30ns propagation delay at 5V with 50pF load. No design changes are required.

Q: What is the difference between SN74ALS1005 and SN74ALS05 part numbers?

A: Both are 6-channel inverters with open collector outputs in the 74ALS logic family. The SN74ALS1005 variant delivers 24mA output current with 30ns propagation delay. The SN74ALS05 variant delivers 8mA output current with 54ns propagation delay. Selection depends on application drive requirements and timing constraints.

Q: Can I use SN74ALS05ADR if my application requires 24mA output current?

A: No. SN74ALS05ADR is rated for 8mA maximum output current, which is insufficient for applications designed around the 24mA capability of DM74ALS1005M. Use SN74ALS1005DR or SN74ALS1005D instead.

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

A: Both are 14-pin surface mount packages. The 14-SOIC (0.154" width) is narrower than the 14-SO (0.209" width). Parts using different packages require PCB layout modification and cannot be used as direct drop-in replacements without board redesign.

Q: Why is DM74ALS1005M marked as obsolete?

A: Obsolete status indicates the part is no longer manufactured by onsemi. Active alternatives from Texas Instruments, such as SN74ALS1005DR, provide equivalent functionality and are recommended for new designs and ongoing procurement.

Q: Are all substitute parts ROHS3 compliant?

A: All Texas Instruments substitutes listed (SN74ALS1005DR, SN74ALS05AD, SN74ALS05ADR, SN74ALS05ANSR, SN74ALS1005NSR, SN74ALS1005D) are ROHS3 compliant. The original DM74ALS1005M is REACH unaffected but does not carry explicit ROHS certification.

Q: Which substitute has the longest shelf life and best availability?

A: SN74ALS1005DR carries active product status with 2100 pcs in stock. SN74ALS05ANSR also has active status with 5300 pcs available. Both are suitable for long-term designs. Parts marked Last Time Buy (SN74ALS05AD, SN74ALS1005D) have limited future availability.