74ACT10PC NAND Gate IC Equivalent & Substitute Parts

Part Overview

The 74ACT10PC is a NAND Gate IC featuring 3 channels with 3 inputs per channel, manufactured by onsemi in a 14-MDIP package. This component is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement. The 74ACT series logic gate remains functionally relevant despite its obsolete status, with direct substitutes available from alternative manufacturers that maintain electrical and mechanical compatibility.

Key Parameters

Parameter	Value
Logic Type	NAND Gate
Number of Circuits	3
Number of Inputs	3
Voltage Supply Range	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
Operating Temperature Range	-40°C ~ 85°C
Mounting Type	Through Hole
Package Type	14-DIP (0.300", 7.62mm)
Base Product Number	74ACT10

Substitute Part Grouping Explanation

Substitution eligibility for the 74ACT10PC is determined by strict adherence to the following parameters:

Logic Function: All substitutes must implement identical NAND gate logic with 3 channels and 3 inputs per channel
Electrical Specifications: Supply voltage range (4.5V ~ 5.5V), quiescent current (4 µA max), and output current (24mA) must be maintained
Input/Output Logic Levels: Low input threshold (0.8V) and high input threshold (2V) must be preserved
Package Compatibility: 14-DIP through-hole mounting with 0.300" (7.62mm) pitch is required for direct substitution
Base Product Series: All substitutes share the 74ACT10 base product number, confirming functional equivalence

The substitute parts CD74ACT10E and SN74ACT10N meet these criteria and are classified as equivalent or parametric equivalent alternatives.

Parameter Comparison

Parameter	74ACT10PC (onsemi)	CD74ACT10E (Harris)	SN74ACT10N (Texas Instruments)
Logic Type	NAND Gate	NAND Gate	NAND Gate
Number of Circuits	3	3	3
Number of Inputs	3	3	3
Voltage Supply Range	4.5V ~ 5.5V	4.5V ~ 5.5V	4.5V ~ 5.5V
Current - Quiescent (Max)	4 µA	4 µA	4 µA
Current - Output High/Low	24mA / 24mA	24mA / 24mA	24mA / 24mA
Input Logic Level - Low	0.8V	0.8V	0.8V
Input Logic Level - High	2V	2V	2V
Max Propagation Delay @ 5V, 50pF	9ns	14.6ns	9ns
Operating Temperature Range	-40°C ~ 85°C	-55°C ~ 125°C	-40°C ~ 85°C
Mounting Type	Through Hole	Through Hole	Through Hole
Package Type	14-DIP (0.300", 7.62mm)	14-DIP (0.300", 7.62mm)	14-DIP (0.300", 7.62mm)
Product Status	Obsolete	Obsolete	Active
RoHS Status	Not specified	RoHS non-compliant	ROHS3 Compliant

Engineering Selection Recommendations

SN74ACT10N (Texas Instruments) is the preferred substitute for new designs and ongoing procurement. This part maintains identical electrical specifications to the 74ACT10PC, offers active product status ensuring long-term availability, and meets ROHS3 compliance requirements. The propagation delay matches the original specification at 9ns, and the operating temperature range aligns with the primary part.

CD74ACT10E (Harris Corporation) provides functional equivalence with extended operating temperature range (-55°C ~ 125°C), suitable for applications requiring broader thermal performance. However, this part carries obsolete status and RoHS non-compliance, limiting its applicability to legacy system maintenance or specialized thermal requirements.

For applications where RoHS compliance and active product status are mandatory, SN74ACT10N is the sole qualifying substitute. For legacy systems or applications with extended temperature requirements, CD74ACT10E remains functionally compatible within its specified parameters.

Frequently Asked Questions (FAQ)

Q: Can CD74ACT10E and SN74ACT10N be used interchangeably with 74ACT10PC?

A: Both parts are electrically and mechanically compatible substitutes. All three share identical logic function, supply voltage range, input/output logic levels, and 14-DIP package configuration. Pin-for-pin compatibility is maintained across all three parts.

Q: What is the significance of the propagation delay difference in CD74ACT10E?

A: CD74ACT10E specifies 14.6ns maximum propagation delay compared to 9ns for both 74ACT10PC and SN74ACT10N. This difference must be evaluated against circuit timing requirements. Applications with critical timing constraints may require the faster 9ns specification.

Q: Why is SN74ACT10N recommended over CD74ACT10E?

A: SN74ACT10N carries active product status, ensuring continued availability and manufacturing support. It also meets ROHS3 compliance, meeting modern regulatory requirements. CD74ACT10E is obsolete and RoHS non-compliant, limiting its use to legacy applications.

Q: Are there package variations among these substitutes?

A: All three parts use 14-DIP through-hole packaging with 0.300" (7.62mm) pitch. Physical footprint and pin configuration are identical, enabling direct board-level substitution without layout modifications.

Q: What is the operating temperature consideration for substitute selection?

A: The 74ACT10PC and SN74ACT10N both operate from -40°C to 85°C. CD74ACT10E extends this range to -55°C to 125°C. Select based on application thermal requirements; the extended range of CD74ACT10E is necessary only for applications exceeding ±40°C to 85°C boundaries.

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