SN74AS10D NAND Gate IC Equivalent & Substitute Parts

Part Overview

The SN74AS10D is a 3-channel, 3-input NAND gate logic IC manufactured by Texas Instruments in 14-SOIC surface mount packaging. This component is classified as Last Time Buy, indicating discontinued production with limited availability. The SN74AS10D operates within the 74AS logic family and is ROHS3 compliant. Due to its Last Time Buy status, identifying functionally equivalent substitute parts with active production status is essential for design continuity and long-term supply chain reliability.

Substiute Parts

SN74AS10D

Texas InstrumentsIn Stock: 1188SN74AS10D Datasheet

Current PartRFQ

SN74AS10DR

Texas InstrumentsIn Stock: 836SN74AS10DR Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SN74AS10D is determined by strict equivalence across the following critical parameters:

• Logic function: 3-channel, 3-input NAND gate configuration
• Electrical specifications: Supply voltage 4.5V ~ 5.5V, output current 2mA/20mA, input logic levels 0.8V/2V, propagation delay 4.5ns @ 5V with 50pF load
• Physical form factor: 14-SOIC surface mount package with 0.154" width (3.90mm)
• Environmental compliance: ROHS3 compliant, MSL Level 1

The SN74AS10DR qualifies as a direct substitute based on identical electrical performance, logic configuration, and package specifications. The primary distinction is packaging format: the SN74AS10D is supplied in Tube packaging, while the SN74AS10DR is supplied in Tape & Reel (TR) format. Both parts share the same base product number (74AS10) and are manufactured by Texas Instruments.

Parameter Comparison

Engineering Selection Recommendations

The SN74AS10DR is the direct functional equivalent of the SN74AS10D. Both parts are manufactured by Texas Instruments, share identical electrical specifications, and are housed in the same 14-SOIC package. The SN74AS10DR maintains Active product status, ensuring continued availability and supply chain stability compared to the Last Time Buy status of the SN74AS10D.

Selection between these parts should be based on packaging requirements and procurement workflow. The SN74AS10D in Tube packaging is suitable for lower-volume applications or manual assembly processes. The SN74AS10DR in Tape & Reel format is optimized for automated pick-and-place assembly and higher-volume production environments.

Both parts are ROHS3 compliant and carry MSL Level 1 rating, meeting environmental and moisture sensitivity requirements for standard industrial and commercial applications.

Frequently Asked Questions (FAQ)

Q: Can the SN74AS10DR directly replace the SN74AS10D in existing designs?

A: Yes. The SN74AS10DR is electrically and functionally identical to the SN74AS10D. Both parts feature the same 3-channel, 3-input NAND gate configuration, identical supply voltage range (4.5V ~ 5.5V), output current specifications (2mA/20mA), and propagation delay (4.5ns @ 5V, 50pF). The 14-SOIC package dimensions are identical, allowing direct PCB-level substitution without design modification.

Q: What is the difference between Tube and Tape & Reel packaging?

A: Tube packaging supplies individual components in a plastic tube, suitable for manual handling and lower-volume assembly. Tape & Reel packaging presents components on a continuous carrier tape wound on a reel, optimized for automated assembly equipment. Both formats contain the same component; the difference is in handling and assembly methodology.

Q: Why is the SN74AS10D marked as Last Time Buy?

A: Last Time Buy status indicates that Texas Instruments has discontinued production of this part number. Existing inventory is available for purchase, but no future production runs are planned. The SN74AS10DR, with Active status, represents the recommended path for new designs and long-term supply continuity.

Q: Are there any compliance or certification differences between these parts?

A: No. Both the SN74AS10D and SN74AS10DR are ROHS3 compliant, carry MSL Level 1 rating, and share identical REACH and ECCN classifications. Compliance and environmental certifications are equivalent.

Q: Can I mix SN74AS10D and SN74AS10DR components in the same production batch?

A: Yes, from an electrical and functional perspective. Both parts are identical in performance and package form factor. However, assembly processes may differ due to packaging format differences. Consult your manufacturing and procurement procedures regarding mixed packaging formats in a single production run.