DM74ALS165N Equivalent & Substitute Parts

Part Overview

The DM74ALS165N is an 8-bit parallel-load shift register manufactured by onsemi, designed for parallel or serial to serial data conversion in digital logic applications. This component features complementary output configuration and operates within the 4.5V to 5.5V supply voltage range. The part is classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing system support and new design implementations.

Substiute Parts

DM74ALS165N

onsemiIn Stock: 1604DM74ALS165N Datasheet

Current PartRFQ

SN74ALS165N

Texas InstrumentsIn Stock: 3119SN74ALS165N Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the DM74ALS165N is determined by strict equivalence across the following parameters:

• Logic Function: Shift register with 8-bit parallel or serial to serial conversion capability
• Output Configuration: Complementary output type
• Electrical Specifications: 4.5V to 5.5V supply voltage and 0°C to 70°C operating temperature range
• Physical Package: 16-DIP form factor with 0.300" (7.62mm) pitch
• Mounting Technology: Through-hole assembly compatibility
• Series Classification: 74ALS logic family

The SN74ALS165N from Texas Instruments meets all specified parameters and qualifies as a direct substitute.

Parameter Comparison

Engineering Selection Recommendations

The SN74ALS165N from Texas Instruments is the direct equivalent for the obsolete DM74ALS165N. Both components share identical electrical specifications, pin configuration, and functional characteristics within the 74ALS logic family.

The SN74ALS165N carries active product status, ensuring continued availability and manufacturing support. Both parts maintain REACH Unaffected compliance and EAR99 export classification. The Texas Instruments variant includes RoHS3 compliance certification, providing additional environmental regulatory alignment for new designs.

For applications currently using the DM74ALS165N, direct substitution with the SN74ALS165N requires no circuit modifications, as all electrical and mechanical parameters are equivalent.

Frequently Asked Questions (FAQ)

Q: Can the SN74ALS165N replace the DM74ALS165N in existing designs?

A: Yes. The SN74ALS165N is a direct substitute. Both components are 8-bit shift registers with identical supply voltage (4.5V–5.5V), operating temperature range (0°C–70°C), output type (complementary), and 16-DIP package configuration. No circuit redesign is required.

Q: Are there any differences in pin configuration between these parts?

A: No. Both the DM74ALS165N and SN74ALS165N use the same 16-DIP package with identical pin assignments and functional pinout.

Q: What is the significance of the product status difference?

A: The DM74ALS165N is classified as obsolete, indicating onsemi has discontinued manufacturing. The SN74ALS165N maintains active status from Texas Instruments, ensuring ongoing availability and supply chain reliability for new procurements.

Q: Are there compliance or certification differences?

A: Both parts are REACH Unaffected and carry EAR99 export classification. The SN74ALS165N includes RoHS3 compliance certification, which may be required for certain applications or regional markets.

Q: Can these parts be used interchangeably in PCB assembly?

A: Yes. Both components use through-hole mounting technology with identical 16-DIP form factor and 0.300" (7.62mm) pitch, allowing direct board-level substitution without layout modifications.