CD74HC00MT NAND Gate IC Equivalent & Substitute Parts

Part Overview

The CD74HC00MT is a 4-channel 2-input NAND gate logic IC manufactured by Texas Instruments in a 14-SOIC surface mount package. This part is discontinued at DiGi Electronics but remains available through inventory stock of 1612 pieces. The CD74HC00MT operates across a 2V to 6V supply voltage range and is compliant with RoHS3 and REACH standards, making it suitable for industrial and commercial applications requiring standard logic gate functionality.

Finding equivalent and substitute parts is necessary due to the discontinued status of the CD74HC00MT. Alternative sources from active manufacturers ensure continued design support, longer-term availability, and access to improved performance characteristics in some cases.

Key Parameters

Parameter	CD74HC00MT Value
Logic Type	NAND Gate
Number of Circuits	4
Number of Inputs	2
Voltage - Supply	2V ~ 6V
Current - Quiescent (Max)	2 µA
Current - Output High, Low	5.2mA, 5.2mA
Input Logic Level - Low	0.5V ~ 1.8V
Input Logic Level - High	1.5V ~ 4.2V
Max Propagation Delay @ 6V, 50pF	15ns
Operating Temperature	-55°C ~ 125°C
Package / Case	14-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the CD74HC00MT is determined by strict equivalence across the following critical parameters:

Logic Type: NAND Gate (4 channels, 2 inputs per channel)
Voltage Supply Range: 2V ~ 6V minimum
Output Current Capability: 5.2mA minimum for both high and low states
Input Logic Levels: 0.5V ~ 1.8V (low), 1.5V ~ 4.2V (high)
Package Type: 14-SOIC surface mount configuration
Mounting Type: Surface mount
Compliance: RoHS3 and REACH standards

Substitute parts are grouped into two categories:

Parametric Equivalents maintain identical electrical specifications and packaging, differing only in packaging format (Cut Tape vs. Tape & Reel).

Direct Manufacturer Alternatives are from different manufacturers but meet or exceed the core electrical and mechanical requirements, with variations in quiescent current, propagation delay, or operating temperature range that remain within acceptable design margins.

Parameter Comparison

Part Number	Manufacturer	Packaging	Quiescent Current (Max)	Propagation Delay @ 6V, 50pF	Operating Temperature	Product Status	Inventory
CD74HC00MT	Texas Instruments	Tape & Reel (TR)	2 µA	15ns	-55°C ~ 125°C	Discontinued	1612 Pcs
CD74HC00M96	Texas Instruments	Cut Tape (CT) & Digi-Reel®	2 µA	15ns	-55°C ~ 125°C	Active	1594 Pcs
MC74HC00ADR2G	onsemi	Cut Tape (CT) & Digi-Reel®	1 µA	13ns	-55°C ~ 125°C	Active	9457 Pcs
74HC00D,653	Nexperia USA Inc.	Tape & Reel (TR)	40 µA	7ns	-40°C ~ 125°C	Active	10100 Pcs
74HC00S14-13	Diodes Incorporated	Tape & Reel (TR)	20 µA	15ns	-40°C ~ 125°C	Active	1125 Pcs
MC74HC00ADG	onsemi	Tube	1 µA	13ns	-55°C ~ 125°C	Active	2498 Pcs
MM74HC00M	onsemi	Tube	2 µA	15ns	-40°C ~ 85°C	Active	4805 Pcs
MM74HC00MX	Fairchild Semiconductor	Not specified	2 µA	15ns	-40°C ~ 85°C	Active	16050 Pcs

Engineering Selection Recommendations

Primary Recommendation: CD74HC00M96

The CD74HC00M96 from Texas Instruments is the closest direct replacement for the CD74HC00MT. It maintains identical electrical specifications (2 µA quiescent current, 15ns propagation delay) and the same -55°C to 125°C operating temperature range. The only difference is packaging format (Cut Tape & Digi-Reel® versus Tape & Reel), which does not affect electrical performance. This part is active and maintains full RoHS3 and REACH compliance.

Secondary Recommendation: MC74HC00ADR2G

The MC74HC00ADR2G from onsemi offers improved performance characteristics with lower quiescent current (1 µA) and faster propagation delay (13ns) while maintaining the full -55°C to 125°C operating temperature range. This part is suitable for applications where reduced power consumption is beneficial. It is active with full compliance certifications and higher inventory availability (9457 pieces).

Alternative for Extended Temperature Range: 74HC00D,653

The 74HC00D,653 from Nexperia USA Inc. provides the fastest propagation delay (7ns) but operates over a narrower temperature range (-40°C to 125°C) and has higher quiescent current (40 µA). This part is appropriate only for applications that do not require the full -55°C lower temperature limit and where faster switching speed is prioritized.

Restricted Use: MM74HC00M and MM74HC00MX

Both onsemi MM74HC00M and Fairchild Semiconductor MM74HC00MX are limited to -40°C to 85°C operating temperature range. These parts are suitable only for commercial-grade applications that do not require the extended low-temperature performance of the original CD74HC00MT.

All recommended substitutes maintain RoHS3 compliance, MSL Level 1 rating, and identical logic functionality (4-channel 2-input NAND gate in 14-SOIC package).

Frequently Asked Questions (FAQ)

Q: Can I use CD74HC00M96 as a direct replacement for CD74HC00MT?

A: Yes. The CD74HC00M96 is electrically identical to the CD74HC00MT with matching quiescent current (2 µA), propagation delay (15ns), and operating temperature range (-55°C to 125°C). The only difference is the packaging format (Cut Tape & Digi-Reel® instead of Tape & Reel), which does not affect circuit performance.

Q: What is the difference between MC74HC00ADR2G and CD74HC00MT?

A: The MC74HC00ADR2G has lower quiescent current (1 µA versus 2 µA) and faster propagation delay (13ns versus 15ns). Both parts operate across the same temperature range (-55°C to 125°C) and are pin-compatible in 14-SOIC packages. The MC74HC00ADR2G is suitable as a drop-in replacement with improved power efficiency.

Q: Why does 74HC00D,653 have different specifications?

A: The 74HC00D,653 from Nexperia is a different design variant with faster propagation delay (7ns) but higher quiescent current (40 µA) and a narrower operating temperature range (-40°C to 125°C). It is suitable only for applications that do not require the full -55°C lower temperature specification of the original part.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts listed are RoHS3 compliant and REACH unaffected, matching the compliance status of the CD74HC00MT.

Q: What packaging formats are available?

A: Substitute parts are available in multiple packaging formats: Cut Tape & Digi-Reel® (CD74HC00M96, MC74HC00ADR2G), Tape & Reel (74HC00D,653, 74HC00S14-13), and Tube (MC74HC00ADG, MM74HC00M, MM74HC00MX). Packaging format does not affect electrical performance but may influence procurement and assembly processes.

Q: Can I use MM74HC00M in a design requiring -55°C operation?

A: No. The MM74HC00M operates only to -40°C minimum. For applications requiring -55°C operation, use CD74HC00M96, MC74HC00ADR2G, or MC74HC00ADG instead.

Q: Which substitute offers the best power efficiency?

A: The MC74HC00ADR2G and MC74HC00ADG both offer the lowest quiescent current at 1 µA, compared to 2 µA for the original CD74HC00MT. Both onsemi parts are suitable for power-sensitive applications.

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