74AC00PC NAND Gate IC Equivalent & Substitute Parts

Part Overview

The 74AC00PC is a 4-channel 2-input NAND gate logic IC manufactured by onsemi in a 14-MDIP package. This component is classified as obsolete, making equivalent substitute parts necessary for ongoing design support and procurement. The 74AC series represents a standard logic family with consistent functional characteristics across multiple manufacturers, enabling direct substitution based on electrical and mechanical parameter alignment.

Key Parameters

Parameter	Value
Logic Type	NAND Gate
Number of Circuits	4
Number of Inputs	2
Voltage Supply Range	2V ~ 6V
Current Output High/Low	24mA / 24mA
Max Propagation Delay	8ns @ 5V, 50pF
Operating Temperature	-40°C ~ 85°C
Package Type	14-DIP (0.300", 7.62mm)
Mounting Type	Through Hole

Substitute Part Grouping Explanation

Substitution of the 74AC00PC is determined by strict equivalence across the following parameters:

Logic function: 4-channel 2-input NAND gate
Output drive capability: 24mA high and low
Supply voltage range: Minimum 2V, maximum 6V
Propagation delay: 8ns maximum at 5V with 50pF load
Operating temperature range: -40°C to 85°C
Package form factor: 14-DIP through-hole configuration

Substitute parts must maintain identical logic functionality, pin configuration, and electrical performance within these specified boundaries. All listed substitutes conform to the 74AC base product number standard and are pin-compatible with the original 74AC00PC.

Parameter Comparison

Parameter	74AC00PC (onsemi)	CD74AC00E (Harris)	TC74AC00PF (Toshiba)	SN74AC00N (TI)	SN74AC00NE4 (TI)
Logic Type	NAND Gate	NAND Gate	NAND Gate	NAND Gate	NAND Gate
Number of Circuits	4	4	4	4	4
Number of Inputs	2	2	2	2	2
Voltage Supply Range	2V ~ 6V	1.5V ~ 5.5V	2V ~ 5.5V	2V ~ 6V	2V ~ 6V
Current - Quiescent (Max)	2 µA	4 µA	4 µA	2 µA	2 µA
Current - Output High/Low	24mA / 24mA	24mA / 24mA	24mA / 24mA	24mA / 24mA	24mA / 24mA
Max Propagation Delay @ 5V, 50pF	8ns	7.3ns	7ns	8ns	8ns
Operating Temperature	-40°C ~ 85°C	-55°C ~ 125°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C
Package / Case	14-DIP (0.300", 7.62mm)	14-DIP (0.300", 7.62mm)	14-DIP (0.300", 7.62mm)	14-DIP (0.300", 7.62mm)	14-DIP (0.300", 7.62mm)
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Product Status	Obsolete	Obsolete	Active	Active	Active
RoHS Status	Not specified	Non-compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

For applications requiring the 74AC00PC, the following selection criteria apply based on product status and compliance:

Active Product Status Priority: TC74AC00PF (Toshiba), SN74AC00N (Texas Instruments), and SN74AC00NE4 (Texas Instruments) are all active products with current manufacturing support. These three options provide long-term availability and supply chain stability compared to the obsolete 74AC00PC.

RoHS Compliance: TC74AC00PF, SN74AC00N, and SN74AC00NE4 all meet ROHS3 compliance requirements. The CD74AC00E is RoHS non-compliant and should be avoided in applications subject to RoHS regulations.

Electrical Performance: All substitute parts meet or exceed the electrical specifications of the 74AC00PC. TC74AC00PF and SN74AC00N/SN74AC00NE4 deliver equivalent or superior propagation delay performance. The CD74AC00E offers extended operating temperature range (-55°C to 125°C) but is limited by obsolete status and RoHS non-compliance.

Direct Equivalence: SN74AC00N and SN74AC00NE4 provide the closest electrical match to the 74AC00PC, with identical supply voltage range (2V ~ 6V), quiescent current (2 µA), and propagation delay (8ns @ 5V, 50pF).

Frequently Asked Questions (FAQ)

Q: Can the 74AC00PC be directly replaced with any of these substitute parts?

A: Yes. All listed substitute parts are pin-compatible and functionally equivalent NAND gate ICs within the 74AC logic family. They share identical pin configurations and logic truth tables, enabling direct substitution in through-hole 14-DIP sockets.

Q: What is the primary reason for substitution?

A: The 74AC00PC is classified as obsolete. Substitute parts with active product status (TC74AC00PF, SN74AC00N, SN74AC00NE4) ensure continued availability and manufacturing support for new designs and production runs.

Q: Are there differences in electrical performance between the main part and substitutes?

A: All substitutes meet the core electrical requirements of the 74AC00PC. Propagation delay performance is equivalent or superior across all options. Quiescent current is identical in SN74AC00N and SN74AC00NE4 (2 µA) but slightly higher in CD74AC00E and TC74AC00PF (4 µA). These differences remain within acceptable operating margins for standard logic applications.

Q: Which substitute offers the best long-term availability?

A: SN74AC00N and SN74AC00NE4 (Texas Instruments) and TC74AC00PF (Toshiba) all carry active product status. Texas Instruments parts typically offer the highest inventory levels and longest product lifecycle support.

Q: Does RoHS compliance matter for my application?

A: RoHS compliance is mandatory for products sold in the European Union and for many industrial and consumer applications. TC74AC00PF, SN74AC00N, and SN74AC00NE4 are ROHS3 compliant. The CD74AC00E is RoHS non-compliant and should not be used in regulated applications.

Q: Can I use the CD74AC00E despite its obsolete status?

A: The CD74AC00E is functionally equivalent but carries obsolete status and RoHS non-compliance. Use only if existing inventory is available and regulatory requirements do not apply. For new designs, select an active product substitute.

Q: Are there any package or mounting differences?

A: All substitute parts use identical 14-DIP through-hole packaging (0.300", 7.62mm). No PCB layout or socket modifications are required for substitution.

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