SN74F10D NAND Gate IC Equivalent & Substitute Parts

Part Overview

The SN74F10D 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 SN74F10D operates within the 74F logic family and is designed for applications requiring fast propagation delay and standard TTL-compatible logic levels. Due to its Last Time Buy status, identifying functionally equivalent substitute parts is essential for design continuity and long-term supply chain planning.

Substiute Parts

SN74F10D

Texas InstrumentsIn Stock: 8624SN74F10D Datasheet

Current PartRFQ

SN74F10DR

Texas InstrumentsIn Stock: 2187SN74F10DR Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SN74F10D is determined by strict equivalence across the following critical parameters:

• Logic Function: NAND gate with identical 3-channel, 3-input configuration
• Electrical Characteristics: Matching supply voltage range (4.5V ~ 5.5V), output current ratings (1mA high, 20mA low), input logic thresholds (0.8V low, 2V high), and propagation delay (5ns @ 5V, 50pF)
• Package Compatibility: 14-SOIC surface mount package with identical physical dimensions (0.154", 3.90mm width)
• Compliance Standards: ROHS3 compliance and MSL Level 1 rating maintained
• Operating Temperature Range: 0°C ~ 70°C

The SN74F10DR qualifies as a direct substitute based on identical electrical specifications, package form factor, and compliance certifications. The primary distinction is packaging format: the SN74F10D is supplied in Tube packaging, while the SN74F10DR is supplied in Tape & Reel (TR) format. Both maintain Active or Last Time Buy product status within the 74F logic family.

Parameter Comparison

Engineering Selection Recommendations

The SN74F10DR is a direct functional equivalent to the SN74F10D. Both parts maintain identical electrical performance, logic configuration, and physical package specifications. The SN74F10DR carries Active product status, ensuring continued availability and supply chain stability compared to the Last Time Buy designation of the SN74F10D.

Selection between these parts should be based on packaging requirements and procurement strategy. The SN74F10D in Tube format is suitable for lower-volume applications or manual assembly processes. The SN74F10DR in Tape & Reel format is optimized for automated pick-and-place assembly and higher-volume production runs.

Both parts maintain ROHS3 compliance and MSL Level 1 rating, ensuring compatibility with modern manufacturing processes and long-term storage without moisture sensitivity concerns.

Frequently Asked Questions (FAQ)

Q: Can the SN74F10DR be used as a direct replacement for the SN74F10D in existing designs?

A: Yes. The SN74F10DR is electrically and functionally identical to the SN74F10D. Both parts feature the same 3-channel, 3-input NAND gate configuration, supply voltage range (4.5V ~ 5.5V), output current ratings, input logic thresholds, and propagation delay characteristics. The 14-SOIC package dimensions are identical, allowing direct PCB footprint compatibility.

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 SN74F10D marked as Last Time Buy?

A: Last Time Buy status indicates that Texas Instruments has discontinued production of this part number. Existing inventory may be available, but no new manufacturing runs are planned. The SN74F10DR, with Active status, represents the recommended path for new designs and long-term supply assurance.

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

A: No. Both the SN74F10D and SN74F10DR maintain identical ROHS3 compliance and MSL Level 1 ratings. They are equivalent for regulatory and environmental compliance purposes.

Q: What are the critical parameters for determining substitutability?

A: Substitutability is determined by matching logic function (3-channel, 3-input NAND gate), electrical specifications (supply voltage, output current, input thresholds, propagation delay), package form factor (14-SOIC), and compliance certifications (ROHS3, MSL Level 1). Any deviation in these parameters disqualifies a part as a direct substitute.