DM74ALS253M Equivalent & Substitute Parts

Part Overview

The DM74ALS253M is a 2 x 4:1 multiplexer logic integrated circuit manufactured by onsemi in a 16-SOIC surface mount package. This part is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement. The DM74ALS253M operates with a single supply voltage between 4.5V and 5.5V and is suitable for applications requiring multiplexing functionality in the 74ALS logic family.

Substiute Parts

DM74ALS253M

onsemiIn Stock: 976DM74ALS253M Datasheet

Current PartRFQ

SN74ALS253DR

Texas InstrumentsIn Stock: 972SN74ALS253DR Datasheet

DirectRFQ

SN74ALS153D

Texas InstrumentsIn Stock: 1255SN74ALS153D Datasheet

Parametric EquivalentRFQ

SN74ALS253D

Texas InstrumentsIn Stock: 1485SN74ALS253D Datasheet

Parametric EquivalentRFQ

SN74AS153D

Texas InstrumentsIn Stock: 1187SN74AS153D Datasheet

Parametric EquivalentRFQ

SN74AS253AD

Texas InstrumentsIn Stock: 745SN74AS253AD Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the DM74ALS253M is determined by the following critical parameters: circuit configuration (2 x 4:1 multiplexer), package type (16-SOIC), supply voltage range (4.5V ~ 5.5V), output current specifications (2.6mA high, 24mA low), operating temperature range (0°C ~ 70°C), and mounting type (surface mount).

Substitute parts are grouped into two categories:

Direct Manufacturer Substitutes: Parts with identical base product numbers and electrical characteristics from alternative manufacturers, maintaining full pin and functional compatibility.

Parametric Equivalents: Parts with different base product numbers but matching all critical electrical and mechanical parameters, enabling functional substitution within the same application requirements.

Parameter Comparison

Engineering Selection Recommendations

SN74ALS253DR (Texas Instruments) is the primary substitute for the DM74ALS253M. This part maintains active product status, ensuring long-term availability and supply chain stability. It is RoHS3 compliant and available in Tape & Reel packaging, suitable for automated assembly processes.

SN74ALS253D (Texas Instruments) provides an alternative with identical electrical specifications and Last Time Buy status. This part is available in Tube packaging and maintains full compatibility with the original DM74ALS253M.

SN74ALS153D (Texas Instruments) is a parametric equivalent with Last Time Buy status. While the base product number differs, all critical electrical and mechanical parameters match the original part, enabling direct functional substitution.

SN74AS253AD (Texas Instruments) is an active product offering the same 2 x 4:1 multiplexer functionality within the 74AS logic family. This part is RoHS3 compliant and available in Tube packaging.

SN74AS153D (Texas Instruments) is a parametric equivalent within the 74AS series with obsolete status. All electrical specifications and package dimensions match the original part.

Frequently Asked Questions (FAQ)

Q: Can SN74ALS253DR directly replace DM74ALS253M in existing designs?

A: Yes. SN74ALS253DR maintains identical pin configuration, electrical specifications, and package dimensions (16-SOIC). The part is functionally interchangeable and currently in active production status.

Q: What is the difference between 74ALS and 74AS series substitutes?

A: Both series meet the specified electrical parameters for this application. The 74ALS and 74AS designations indicate different logic family implementations. Selection between series depends on system-level compatibility requirements and availability.

Q: Are there packaging considerations when selecting a substitute?

A: Yes. SN74ALS253DR is supplied in Tape & Reel format, suitable for high-volume automated assembly. SN74ALS253D and SN74AS253AD are supplied in Tube packaging, appropriate for lower-volume or manual assembly processes. All parts use identical 16-SOIC surface mount packages.

Q: What does "Last Time Buy" product status mean?

A: Last Time Buy indicates the manufacturer will no longer accept new orders after a specified date. Parts with this status have limited availability. For long-term designs, SN74ALS253DR (Active status) is the recommended choice.

Q: Are all substitute parts RoHS compliant?

A: SN74ALS253DR, SN74ALS253D, SN74ALS153D, SN74AS253AD, and SN74AS153D are all RoHS3 compliant. The original DM74ALS253M does not specify RoHS status.

Q: Can parametric equivalents like SN74ALS153D be used interchangeably with direct substitutes?

A: Yes. Parametric equivalents match all critical electrical and mechanical parameters specified for this application. The different base product number reflects internal design variations that do not affect functional compatibility in this multiplexer application.