MC74ACT10DR2 Equivalent & Substitute Parts

Part Overview

The MC74ACT10DR2 is a NAND Gate IC featuring 3 channels with 3 inputs per channel in a 14-SOIC surface mount package. Manufactured by onsemi, this logic component operates within the 4.5V to 5.5V supply voltage range and is designed for standard TTL-compatible digital logic applications. The main part is currently listed as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement.

Key Parameters

Parameter	Value
Logic Type	NAND Gate
Number of Circuits	3
Number of Inputs	3
Voltage - Supply	4.5V ~ 5.5V
Current - Quiescent (Max)	4 µA
Current - Output High, Low	24mA, 24mA
Input Logic Level - Low	0.8V
Input Logic Level - High	2V
Max Propagation Delay @ V, Max CL	9ns @ 5V, 50pF
Operating Temperature	-40°C ~ 85°C
Package / Case	14-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount

Substitute Part Grouping Explanation

Substitution for the MC74ACT10DR2 is determined by strict equivalence across the following critical parameters: logic type (NAND Gate), circuit count (3 channels), input count (3 inputs per channel), supply voltage range (4.5V ~ 5.5V), output current capability (24mA high and low), input logic levels (0.8V low, 2V high), package type (14-SOIC), and mounting method (surface mount).

Substitute parts are categorized as follows:

Direct Manufacturer Equivalents: Parts with identical electrical specifications and packaging, differing only in manufacturer or packaging format (tube vs. tape & reel).

Similar Parts: Parts meeting all core functional and electrical requirements but with extended operating temperature ranges (-55°C ~ 125°C) and slightly increased propagation delay (14.6ns vs. 9ns), which remain compatible within the 74ACT logic family.

Parametric Equivalents: Parts with identical specifications to the main part, available from alternative manufacturers in active production status.

Parameter Comparison

Part Number	Manufacturer	Product Status	Packaging	Voltage Supply	Quiescent Current	Output Current	Propagation Delay	Operating Temp	RoHS Status
MC74ACT10DR2	onsemi	Obsolete	Tube	4.5V ~ 5.5V	4 µA	24mA, 24mA	9ns @ 5V, 50pF	-40°C ~ 85°C	RoHS non-compliant
MC74ACT10DR2G	onsemi	Active	Tape & Reel	4.5V ~ 5.5V	4 µA	24mA, 24mA	9ns @ 5V, 50pF	-40°C ~ 85°C	ROHS3 Compliant
SN74ACT10D	Texas Instruments	Last Time Buy	Tube	4.5V ~ 5.5V	4 µA	24mA, 24mA	9ns @ 5V, 50pF	-40°C ~ 85°C	ROHS3 Compliant
SN74ACT10DR	Texas Instruments	Active	Tape & Reel	4.5V ~ 5.5V	4 µA	24mA, 24mA	9ns @ 5V, 50pF	-40°C ~ 85°C	ROHS3 Compliant
CD74ACT10M	Harris Corporation	Obsolete	Tube	4.5V ~ 5.5V	4 µA	24mA, 24mA	14.6ns @ 5V, 50pF	-55°C ~ 125°C	RoHS non-compliant
CD74ACT10M96	Texas Instruments	Active	Tape & Reel	4.5V ~ 5.5V	4 µA	24mA, 24mA	14.6ns @ 5V, 50pF	-55°C ~ 125°C	ROHS3 Compliant

Engineering Selection Recommendations

For applications requiring direct replacement of MC74ACT10DR2 with identical electrical performance and timing characteristics, SN74ACT10DR (Texas Instruments, active status, tape & reel packaging) or MC74ACT10DR2G (onsemi, active status, tape & reel packaging) are the primary selections. Both parts maintain the 9ns propagation delay specification and -40°C to 85°C operating range.

For applications where extended operating temperature range (-55°C ~ 125°C) is required, CD74ACT10M96 (Texas Instruments, active status) provides this capability with ROHS3 compliance, accepting the 14.6ns propagation delay specification.

SN74ACT10D (Texas Instruments, last time buy status) remains available but is in end-of-life phase and should be considered only when tape & reel packaging is not required.

Parts with obsolete status (MC74ACT10DR2, CD74ACT10M) should not be selected for new designs or long-term procurement strategies.

Frequently Asked Questions (FAQ)

Q: Can SN74ACT10DR be used as a direct replacement for MC74ACT10DR2?

A: Yes. Both parts share identical electrical specifications: 3-channel NAND gate configuration, 4.5V to 5.5V supply voltage, 4 µA quiescent current, 24mA output current, and 9ns propagation delay at 5V with 50pF load. The 14-SOIC package and surface mount configuration are identical. The primary difference is manufacturer (Texas Instruments vs. onsemi) and packaging format (tape & reel vs. tube).

Q: What is the difference between MC74ACT10DR2 and MC74ACT10DR2G?

A: Both are manufactured by onsemi with identical electrical and functional specifications. MC74ACT10DR2G is the active production variant supplied in tape & reel packaging with ROHS3 compliance. MC74ACT10DR2 is the obsolete variant. For new procurement, MC74ACT10DR2G is the recommended selection.

Q: Can CD74ACT10M96 be used in place of MC74ACT10DR2?

A: CD74ACT10M96 is functionally compatible but with timing differences. It maintains the same logic configuration, supply voltage, and output current specifications. However, propagation delay increases from 9ns to 14.6ns, and operating temperature range extends from -40°C to 85°C to -55°C to 125°C. Selection depends on whether the extended temperature range is required and whether the increased propagation delay is acceptable for the application.

Q: What does "Last Time Buy" status mean for SN74ACT10D?

A: Last Time Buy indicates the manufacturer has announced end-of-life for this part. Existing inventory may be available, but production has ceased or will cease. This part should not be selected for new designs or applications requiring long-term component availability.

Q: Are all substitute parts available in the same package?

A: Yes. All listed substitute parts use the 14-SOIC (0.154", 3.90mm width) surface mount package, ensuring mechanical and electrical compatibility on PCBs designed for MC74ACT10DR2.

Q: Which substitute part has the best compliance status?

A: SN74ACT10DR, CD74ACT10M96, and MC74ACT10DR2G all carry ROHS3 compliance certification. SN74ACT10D also meets ROHS3 compliance. These parts are suitable for applications with RoHS compliance requirements.

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