74ACTQ10SCX NAND Gate IC Equivalent & Substitute Parts

Part Overview

The 74ACTQ10SCX is a 3-channel, 3-input NAND gate logic IC manufactured by onsemi in 14-SOIC surface mount packaging. This part is classified as obsolete, making equivalent substitute parts necessary for ongoing design support and procurement. The 74ACTQ10SCX operates within the 4.5V to 5.5V supply voltage range and is suitable for applications requiring standard TTL-compatible logic switching with moderate propagation delay performance.

Substiute Parts

74ACTQ10SCX

onsemiIn Stock: 72474ACTQ10SCX Datasheet

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MC74ACT10DR2G

onsemiIn Stock: 1026MC74ACT10DR2G Datasheet

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CD74ACT10M

Harris CorporationIn Stock: 13876CD74ACT10M Datasheet

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CD74ACT10M96

Texas InstrumentsIn Stock: 1255CD74ACT10M96 Datasheet

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SN74ACT10D

Texas InstrumentsIn Stock: 2338SN74ACT10D Datasheet

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SN74ACT10DR

Texas InstrumentsIn Stock: 3244SN74ACT10DR Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 74ACTQ10SCX is determined by the following critical parameters:

• Logic Function: All substitute parts must implement 3-channel, 3-input NAND gate logic
• Supply Voltage Compatibility: Operating range must encompass 4.5V ~ 5.5V
• Output Drive Capability: Output current must meet or exceed 24mA for both high and low states
• Input Logic Thresholds: Input logic levels must match 0.8V (low) and 2V (high)
• Package Compatibility: 14-SOIC surface mount package with identical pinout
• Thermal Operating Range: Minimum -40°C ~ 85°C support required for direct substitution

All identified substitute parts meet these electrical and mechanical requirements, enabling functional equivalence within the specified operating conditions.

Parameter Comparison

Engineering Selection Recommendations

Primary Recommendation: SN74ACT10DR (Texas Instruments)

The SN74ACT10DR is the preferred substitute for the 74ACTQ10SCX. This part is currently in active production status, ensuring long-term availability and supply chain stability. It meets all electrical specifications within the required operating range, maintains identical 14-SOIC packaging, and carries ROHS3 compliance certification. The propagation delay of 9ns at 5V with 50pF load is acceptable for most applications requiring the original 7.5ns specification.

Secondary Recommendation: MC74ACT10DR2G (onsemi)

The MC74ACT10DR2G provides continuity with the original manufacturer (onsemi) while offering active product status. This part is supplied in Tape & Reel packaging, suitable for automated assembly processes. Electrical performance and compliance certifications are equivalent to the primary recommendation.

Alternative for Extended Temperature Range: CD74ACT10M96 (Texas Instruments)

The CD74ACT10M96 extends the operating temperature range to -55°C ~ 125°C, accommodating applications requiring enhanced thermal performance. This part is actively produced and ROHS3 compliant. The 14.6ns propagation delay represents a trade-off for extended temperature capability.

Not Recommended: CD74ACT10M (Harris Corporation)

While functionally equivalent, the CD74ACT10M carries obsolete product status and RoHS non-compliance, limiting its suitability for new designs and regulated applications.

Frequently Asked Questions (FAQ)

Q: Can I directly replace 74ACTQ10SCX with any of these substitute parts?

A: Yes, all listed substitute parts are electrically and mechanically compatible with the 74ACTQ10SCX. They share identical logic function, pinout, 14-SOIC package, and operate within the same 4.5V ~ 5.5V supply voltage range. Propagation delay variations are minor and acceptable for standard logic applications.

Q: What is the difference between the propagation delays listed?

A: The 74ACTQ10SCX specifies 7.5ns maximum propagation delay at 5V with 50pF load. Substitute parts range from 9ns to 14.6ns. These differences are negligible for most digital logic applications operating at standard clock frequencies. Applications with timing-critical requirements should verify compatibility with their specific circuit timing margins.

Q: Which packaging option should I select?

A: Tape & Reel (TR) packaging is recommended for high-volume automated assembly processes. Tube packaging is suitable for lower-volume manual assembly or prototyping. Both packaging formats contain identical die and electrical performance; the difference is in handling and delivery format only.

Q: Are there compliance or regulatory differences between the substitute parts?

A: Yes. SN74ACT10DR, MC74ACT10DR2G, and CD74ACT10M96 are ROHS3 compliant, meeting modern environmental and regulatory standards. CD74ACT10M is RoHS non-compliant and should not be used in applications requiring regulatory compliance. For new designs, select only ROHS3-compliant alternatives.

Q: What is the significance of "Active" versus "Obsolete" product status?

A: Active status indicates the manufacturer continues production and supports long-term availability. Obsolete status means the manufacturer has discontinued production, creating supply risk. Last Time Buy status indicates a final production run before discontinuation. For new designs, prioritize parts with Active status to ensure supply chain continuity.

Q: Can I use CD74ACT10M96 if my application requires -55°C operation?

A: Yes. The CD74ACT10M96 is rated for -55°C ~ 125°C operation, making it suitable for extended temperature applications. However, for standard -40°C ~ 85°C requirements, the SN74ACT10DR or MC74ACT10DR2G are preferred due to their active production status and equivalent performance.