SN74S05DR Equivalent & Substitute Parts

Part Overview

The SN74S05DR is a 6-channel inverter IC with open collector outputs in a 14-SOIC surface mount package, manufactured by Texas Instruments. This device is classified as obsolete, making substitute parts necessary for new designs and ongoing production requirements. The open collector configuration allows for flexible voltage level interfacing and multiple output drive capabilities in logic applications.

Substiute Parts

SN74S05DR

Texas InstrumentsIn Stock: 3830SN74S05DR Datasheet

Current PartRFQ

SN74S05D

Texas InstrumentsIn Stock: 939SN74S05D Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SN74S05DR is based on strict equivalence across the following critical parameters:

• Logic type and function: 6-channel inverter with open collector output
• Electrical specifications: 4.75V ~ 5.25V supply voltage, 20mA output current, identical input logic levels and propagation delay
• Package compatibility: 14-SOIC surface mount form factor with identical physical dimensions
• Compliance certifications: ROHS3 compliance and moisture sensitivity level matching
• Series classification: 74S logic family

The SN74S05D qualifies as a direct substitute based on complete alignment with all specified electrical and mechanical parameters. The primary distinction is product status: the SN74S05D is active, whereas the SN74S05DR is obsolete.

Parameter Comparison

Engineering Selection Recommendations

The SN74S05D is the appropriate substitute for the obsolete SN74S05DR. Both parts maintain identical electrical performance characteristics, package specifications, and compliance certifications. The SN74S05D's active product status ensures ongoing availability and manufacturing support, making it the preferred choice for new designs and production continuity. No design modifications are required when transitioning from SN74S05DR to SN74S05D.

Frequently Asked Questions (FAQ)

Q: Can the SN74S05D directly replace the SN74S05DR without circuit modifications?

A: Yes. The SN74S05D is electrically and mechanically equivalent to the SN74S05DR across all specified parameters, including supply voltage, output current, logic levels, propagation delay, and package dimensions. No circuit changes are necessary.

Q: What is the primary reason for substitution?

A: The SN74S05DR is classified as obsolete. The SN74S05D is the active equivalent that maintains full compatibility while ensuring continued availability.

Q: Are the package dimensions identical?

A: Yes. Both parts use the 14-SOIC package with 0.154" (3.90mm) width. PCB footprints are interchangeable.

Q: Do both parts meet the same compliance standards?

A: Yes. Both the SN74S05DR and SN74S05D are ROHS3 compliant with moisture sensitivity level 1 (unlimited). Compliance certifications are equivalent.

Q: What is the significance of the open collector output configuration?

A: Open collector outputs allow the device to interface with different voltage levels and provide current sinking capability. This configuration is maintained in the substitute part.