DM74ALS165M Equivalent & Substitute Parts

Part Overview

The DM74ALS165M is an 8-bit parallel-load shift register manufactured by onsemi, housed in a 16-SOIC surface mount package. This component is classified as obsolete, making equivalent substitute parts necessary for ongoing production and maintenance applications. The shift register performs parallel or serial to serial conversion functions in logic circuits requiring 4.5V to 5.5V supply voltage operation across the 0°C to 70°C temperature range.

Substiute Parts

DM74ALS165M

onsemiIn Stock: 2158DM74ALS165M Datasheet

Current PartRFQ

SN74ALS165DR

Texas InstrumentsIn Stock: 3093SN74ALS165DR Datasheet

DirectRFQ

SN74ALS165D

Texas InstrumentsIn Stock: 2603SN74ALS165D Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the DM74ALS165M is determined by strict equivalence across the following critical parameters:

• Logic Type: Shift Register
• 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)
• Series: 74ALS
• Moisture Sensitivity Level: 1 (Unlimited)

The substitute parts identified below meet all these electrical and mechanical requirements and are therefore functionally interchangeable with the DM74ALS165M in applications requiring these specifications.

Parameter Comparison

Engineering Selection Recommendations

The SN74ALS165DR manufactured by Texas Instruments is the primary substitute for the DM74ALS165M. This part carries Active product status and ROHS3 compliance, ensuring long-term availability and regulatory alignment for new designs and production runs.

The SN74ALS165D is a secondary substitute option, also from Texas Instruments. This part is designated Last Time Buy, indicating limited future availability. Selection of this part should be reserved for applications where inventory continuity is not a primary concern or where existing stock levels are sufficient for project requirements.

Both Texas Instruments substitutes maintain complete electrical and mechanical equivalence to the onsemi DM74ALS165M across all specified parameters, enabling direct replacement in circuit applications without design modification.

Frequently Asked Questions (FAQ)

Q: Can the SN74ALS165DR directly replace the DM74ALS165M?

A: Yes. The SN74ALS165DR meets all electrical specifications (4.5V to 5.5V supply, 0°C to 70°C operating temperature), functional requirements (8-bit parallel or serial to serial shift register with complementary output), and mechanical specifications (16-SOIC package, 0.154" width). Direct substitution is supported without circuit modification.

Q: What is the difference between SN74ALS165DR and SN74ALS165D?

A: Both parts are electrically and mechanically equivalent. The primary difference is product status and packaging. The SN74ALS165DR is Active with Cut Tape and Digi-Reel packaging options, while the SN74ALS165D is Last Time Buy status with Tube packaging. For new designs, SN74ALS165DR is recommended due to its active status.

Q: Why is the DM74ALS165M obsolete?

A: The DM74ALS165M is classified as obsolete by onsemi. Equivalent parts from Texas Instruments remain in active production, providing continued access to 8-bit 74ALS shift register functionality in the 16-SOIC package.

Q: Are there any compliance differences between the substitute parts?

A: The Texas Instruments substitutes (SN74ALS165DR and SN74ALS165D) carry ROHS3 compliance certification. All parts maintain REACH Unaffected status. For applications requiring RoHS compliance, the Texas Instruments parts are the appropriate selection.

Q: Can these parts be used interchangeably in existing PCB designs?

A: Yes. The 16-SOIC package dimensions (0.154" width, 3.90mm) are identical across all three parts. Pin configuration and electrical characteristics are equivalent, supporting direct PCB footprint compatibility and schematic substitution.