SN74AHC00PW NAND Gate IC Equivalent & Substitute Parts

Part Overview

The SN74AHC00PW is a 4-channel 2-input NAND gate logic IC manufactured by Texas Instruments in 14-TSSOP surface mount packaging. This part is currently discontinued at DiGi Electronics, making equivalent substitutes necessary for ongoing production and maintenance applications. The 74AHC00 logic family provides standard NAND gate functionality across the 2V to 5.5V supply voltage range with consistent propagation delay characteristics suitable for general-purpose digital logic applications.

Key Parameters

Parameter	Value
Logic Type	NAND Gate
Number of Circuits	4
Number of Inputs	2
Voltage - Supply	2V ~ 5.5V
Current - Quiescent (Max)	2 µA
Current - Output High, Low	8mA, 8mA
Max Propagation Delay @ 5V, 50pF	7.5ns
Operating Temperature	-40°C ~ 125°C
Package / Case	14-TSSOP (0.173", 4.40mm Width)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the SN74AHC00PW is determined by the following critical parameters:

Logic Type: NAND Gate (4 channels, 2 inputs per channel)
Package: 14-TSSOP surface mount form factor
Voltage Supply Range: 2V ~ 5.5V minimum requirement
Propagation Delay: 7.5ns @ 5V, 50pF maximum
Output Current: 8mA minimum for both high and low states
Operating Temperature: -40°C ~ 125°C minimum range
RoHS3 Compliance: Required for regulatory alignment

Substitute parts are grouped into three categories based on availability and product status:

Direct Equivalents (Active Status): Parts with identical electrical specifications and active manufacturing status, available in alternative packaging formats.

Compatible Alternatives (Active Status): Parts meeting all critical electrical parameters with minor variations in quiescent current or operating temperature range, suitable for standard applications.

Specialized Variants: Parts with automotive qualification or manufacturer-specific certifications for regulated applications.

Parameter Comparison

Part Number	Manufacturer	Product Status	Logic Type	Circuits / Inputs	Voltage Supply	Quiescent Current (Max)	Output Current (H/L)	Propagation Delay @ 5V	Operating Temp	Package	Packaging Format
SN74AHC00PW	Texas Instruments	Discontinued	NAND Gate	4 / 2	2V ~ 5.5V	2 µA	8mA, 8mA	7.5ns	-40°C ~ 125°C	14-TSSOP	Tube
SN74AHC00PWR	Texas Instruments	Active	NAND Gate	4 / 2	2V ~ 5.5V	2 µA	8mA, 8mA	7.5ns	-40°C ~ 125°C	14-TSSOP	Cut Tape & Digi-Reel
74AHC00PW-Q100J	Nexperia USA Inc.	Active	NAND Gate	4 / 2	2V ~ 5.5V	2 µA	8mA, 8mA	7.5ns	-40°C ~ 125°C	14-TSSOP	Tape & Reel
74VHC00MTCX	Fairchild Semiconductor	Active	NAND Gate	4 / 2	2V ~ 5.5V	2 µA	8mA, 8mA	7.5ns	-40°C ~ 85°C	14-TSSOP	Not Specified
74AHC00T14-13	Diodes Incorporated	Active	NAND Gate	4 / 2	2V ~ 5.5V	20 µA	8mA, 8mA	7.5ns	-40°C ~ 125°C	14-TSSOP	Tape & Reel

Engineering Selection Recommendations

Primary Recommendation: SN74AHC00PWR (Texas Instruments) is the direct equivalent with identical electrical specifications and active product status. This part maintains full compatibility with the discontinued SN74AHC00PW and is available in Cut Tape and Digi-Reel packaging formats suitable for production environments.

Automotive Applications: 74AHC00PW-Q100J (Nexperia USA Inc.) is qualified to AEC-Q100 automotive standards with active product status. This variant is appropriate for automotive-grade applications requiring formal qualification documentation.

Alternative Source: 74AHC00T14-13 (Diodes Incorporated) meets all critical electrical parameters with active product status. Note that quiescent current is specified at 20 µA maximum, compared to 2 µA for the primary recommendation. This higher quiescent current may impact low-power applications but does not affect standard logic operation.

Temperature-Limited Applications: 74VHC00MTCX (Fairchild Semiconductor) operates within -40°C to 85°C range, which is 40°C narrower than the original specification. This part is suitable only for applications not requiring the full -40°C to 125°C operating range.

All recommended substitutes maintain RoHS3 compliance and identical package geometry (14-TSSOP, 0.173" width, 4.40mm).

Frequently Asked Questions (FAQ)

Q: Can SN74AHC00PWR be used as a direct replacement for the discontinued SN74AHC00PW?

A: Yes. SN74AHC00PWR is electrically and functionally identical to SN74AHC00PW. Both parts share the same base product number (74AHC00), identical electrical specifications, and 14-TSSOP package geometry. The primary difference is packaging format: SN74AHC00PWR is supplied in Cut Tape and Digi-Reel format rather than Tube.

Q: What is the difference between 74AHC00 and 74VHC00 logic families?

A: Both families provide 4-channel 2-input NAND gate functionality in 14-TSSOP packaging with identical propagation delay (7.5ns @ 5V, 50pF) and output current ratings (8mA). The primary difference is operating temperature range: 74AHC00 operates -40°C to 125°C, while 74VHC00MTCX operates -40°C to 85°C. Select based on application temperature requirements.

Q: Is the higher quiescent current of 74AHC00T14-13 (20 µA vs. 2 µA) a concern?

A: For standard logic applications, the difference is negligible. The 18 µA increase affects only standby power consumption in low-power or battery-operated designs. For typical digital logic circuits, this specification difference does not impact functional performance or signal integrity.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts maintain RoHS3 compliance status, meeting regulatory requirements for lead-free manufacturing and hazardous substance restrictions.

Q: Can 74VHC00MTCX be used in applications requiring -40°C to 125°C operation?

A: No. 74VHC00MTCX is rated only to 85°C maximum. Applications requiring full -40°C to 125°C operation must use SN74AHC00PWR, 74AHC00PW-Q100J, or 74AHC00T14-13.

Q: What packaging formats are available for substitutes?

A: SN74AHC00PWR is available in Cut Tape and Digi-Reel format. 74AHC00PW-Q100J and 74AHC00T14-13 are supplied in Tape & Reel format. All maintain identical 14-TSSOP package geometry suitable for automated assembly.

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