DM74ALS165MX Equivalent & Substitute Parts

Part Overview

The DM74ALS165MX is an 8-bit parallel-load shift register manufactured by onsemi, housed in a 16-SOIC surface mount package. This component functions as a parallel or serial to serial converter, featuring complementary output type and operating within a 4.5V to 5.5V supply voltage range. The part is classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing design support and production continuity.

Substiute Parts

DM74ALS165MX

onsemiIn Stock: 9778DM74ALS165MX Datasheet

Current PartRFQ

SN74ALS165D

Texas InstrumentsIn Stock: 2603SN74ALS165D Datasheet

DirectRFQ

SN74ALS165DR

Texas InstrumentsIn Stock: 3093SN74ALS165DR Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the DM74ALS165MX is determined by strict equivalence across the following parameters:

• Logic Type: Shift Register
• Number of Elements: 1
• Number of Bits per Element: 8
• Function: Parallel or Serial to Serial
• Output Type: Complementary
• Voltage - Supply: 4.5V ~ 5.5V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 16-SOIC (0.154", 3.90mm Width)
• Mounting Type: Surface Mount
• Series: 74ALS

The identified substitute parts maintain identical electrical and mechanical specifications, ensuring direct functional replacement without circuit redesign.

Parameter Comparison

Engineering Selection Recommendations

SN74ALS165DR is the preferred substitute for the obsolete DM74ALS165MX. This Texas Instruments component maintains active product status, ensuring long-term availability and supply chain stability. The SN74ALS165DR carries ROHS3 compliance certification and is supplied in Cut Tape and Digi-Reel packaging formats, supporting both prototype and production volume requirements.

SN74ALS165D serves as a secondary alternative, offering Last Time Buy status from Texas Instruments with equivalent electrical and mechanical specifications. This part is available in Tube packaging.

Both substitute parts are parametrically identical to the original DM74ALS165MX across all critical functional and physical dimensions.

Frequently Asked Questions (FAQ)

Q: Can SN74ALS165DR directly replace DM74ALS165MX without circuit modification?

A: Yes. Both parts are electrically and mechanically equivalent across all specified parameters, including logic function, bit width, supply voltage, operating temperature range, and 16-SOIC package dimensions.

Q: What is the difference between SN74ALS165D and SN74ALS165DR?

A: Both parts are functionally identical. The primary difference is packaging format: SN74ALS165D is supplied in Tube packaging, while SN74ALS165DR is supplied in Cut Tape and Digi-Reel formats. SN74ALS165DR maintains active product status, whereas SN74ALS165D is Last Time Buy.

Q: Are there compliance differences between the substitute parts?

A: Both Texas Instruments substitutes carry ROHS3 compliance certification. The original DM74ALS165MX does not specify RoHS status. All three parts are REACH Unaffected and carry EAR99 ECCN classification.

Q: Which substitute should be selected for new designs?

A: SN74ALS165DR is recommended for new designs due to active product status, ensuring availability throughout the design lifecycle and production phases.

Q: Are the 16-SOIC packages identical across all three parts?

A: Yes. All three parts use the 16-SOIC package with 0.154" width and 3.90mm physical dimensions, ensuring identical PCB footprint compatibility.