SN74AC10D NAND Gate IC Equivalent & Substitute Parts

Part Overview

The SN74AC10D is a 3-channel, 3-input NAND gate logic IC manufactured by Texas Instruments in a 14-SOIC surface mount package. This part is currently discontinued at DiGi Electronics, making equivalent substitute parts necessary for ongoing design requirements and production needs. The 74AC logic family provides standard digital switching functionality across a wide supply voltage range of 2V to 6V, suitable for general-purpose logic applications requiring moderate propagation delays and output drive capability.

Key Parameters

Parameter	Value
Logic Type	NAND Gate
Number of Circuits	3
Number of Inputs	3
Voltage - Supply	2V ~ 6V
Current - Quiescent (Max)	2 µA
Current - Output High, Low	24mA, 24mA
Input Logic Level - Low	0.9V ~ 1.65V
Input Logic Level - High	2.1V ~ 3.85V
Max Propagation Delay @ V, Max CL	7ns @ 5V, 50pF
Operating Temperature	-40°C ~ 85°C
Package / Case	14-SOIC (0.154", 3.90mm Width)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the SN74AC10D is determined by strict equivalence across the following critical parameters:

Logic function: 3-channel, 3-input NAND gate
Supply voltage range: 2V ~ 6V
Output drive capability: 24mA high and low
Input logic thresholds: 0.9V ~ 1.65V (low), 2.1V ~ 3.85V (high)
Propagation delay: 7ns @ 5V, 50pF
Operating temperature range: -40°C ~ 85°C
Package type: 14-SOIC surface mount
Compliance: ROHS3, MSL Level 1

Substitute parts are grouped by packaging format and product status. Direct manufacturer equivalents maintain identical electrical specifications. Parametric equivalents meet all functional and electrical requirements but may originate from alternative manufacturers within the 74AC logic family.

Parameter Comparison

Part Number	Manufacturer	Product Status	Packaging	Quiescent Current (Max)	Propagation Delay	Inventory
SN74AC10D	Texas Instruments	Discontinued	Tube	2 µA	7ns @ 5V, 50pF	1147 Pcs
SN74AC10DR	Texas Instruments	Active	Cut Tape & Digi-Reel	2 µA	7ns @ 5V, 50pF	2846 Pcs
MC74AC10DR2G	onsemi	Active	Tape & Reel	4 µA	7ns @ 5V, 50pF	5846 Pcs
MC74AC10DG	onsemi	Active	Tube	4 µA	7ns @ 5V, 50pF	2328 Pcs

Engineering Selection Recommendations

For applications currently using the discontinued SN74AC10D, the SN74AC10DR from Texas Instruments provides direct equivalence with identical quiescent current specifications and maintains active product status. This part is available in Cut Tape and Digi-Reel packaging formats with higher inventory availability.

The onsemi alternatives MC74AC10DR2G and MC74AC10DG are parametrically equivalent across all functional and electrical parameters. Both parts maintain the same propagation delay, output drive capability, and operating temperature range. The quiescent current specification of 4 µA for onsemi parts remains within acceptable tolerance for most 74AC logic applications. MC74AC10DR2G is supplied in Tape & Reel format suitable for automated assembly, while MC74AC10DG is available in Tube packaging. Both onsemi parts carry active product status and ROHS3 compliance.

All substitute parts are certified ROHS3 compliant with MSL Level 1 rating, ensuring compatibility with standard manufacturing and storage requirements.

Frequently Asked Questions (FAQ)

Q: Can SN74AC10DR be used as a direct replacement for SN74AC10D?

A: Yes. SN74AC10DR is a direct Texas Instruments equivalent with identical electrical specifications, including 2 µA quiescent current and 7ns propagation delay. The primary difference is packaging format: SN74AC10DR is supplied in Cut Tape and Digi-Reel, while SN74AC10D uses Tube packaging.

Q: What is the difference between the Texas Instruments and onsemi substitute parts?

A: All parts maintain identical logic function, supply voltage range, output drive capability, and propagation delay. The onsemi parts (MC74AC10DR2G and MC74AC10DG) specify a maximum quiescent current of 4 µA compared to 2 µA for Texas Instruments parts. This difference does not affect functional compatibility in standard 74AC logic applications.

Q: Which substitute part should be selected for automated assembly?

A: MC74AC10DR2G is supplied in Tape & Reel format, the standard packaging for automated pick-and-place assembly operations. SN74AC10DR is available in Cut Tape and Digi-Reel formats. MC74AC10DG and SN74AC10D use Tube packaging, which requires manual handling.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts carry ROHS3 compliance certification and MSL Level 1 rating, meeting current environmental and manufacturing standards.

Q: Can these parts be used interchangeably in existing designs?

A: Yes, provided the application does not impose stricter quiescent current limits than 4 µA. All parts share identical 14-SOIC pinout, supply voltage range, input/output logic levels, and propagation delay specifications.

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