74HCT03D,653 Equivalent & Substitute Parts

Part Overview

The 74HCT03D,653 is a NAND Gate IC with 4 channels and 2 inputs per channel, featuring open drain output configuration in a 14-SOIC surface mount package. Manufactured by Nexperia USA Inc., this logic component operates within the 4.5V to 5.5V supply voltage range and is classified as Active product status. Substitute parts are necessary when the primary part becomes unavailable, when automotive-grade qualification is required, or when alternative packaging formats better suit supply chain or application requirements.

Key Parameters

Parameter	Value
Logic Type	NAND Gate
Number of Circuits	4
Number of Inputs	2
Features	Open Drain
Voltage - Supply	4.5V ~ 5.5V
Current - Quiescent (Max)	2 µA
Current - Output High, Low	-, 4mA
Input Logic Level - Low	0.8V
Input Logic Level - High	2V
Max Propagation Delay @ V, Max CL	24ns @ 4.5V, 50pF
Operating Temperature	-40°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 74HCT03D,653 is determined by strict equivalence across the following critical parameters: logic type (NAND Gate), circuit count (4 channels), input count (2 inputs per channel), open drain feature, supply voltage range (4.5V ~ 5.5V), output current capability (4mA), input logic levels (0.8V low, 2V high), propagation delay (24ns @ 4.5V, 50pF), and package type (14-SOIC surface mount).

The substitute parts are grouped as follows:

Parametric Equivalent (Same Electrical & Mechanical Specifications): 74HCT03D-Q100J maintains identical electrical parameters and package configuration but includes AEC-Q100 automotive qualification.

Upgrade Alternatives (Extended Temperature Range or Active Status): CD74HCT03M96 and CD74HCT03MT provide identical electrical performance with extended operating temperature range (-55°C ~ 125°C) and active product status, though with different packaging formats and manufacturer sources.

Legacy Alternative (Obsolete Status): CD74HCT03M represents an older equivalent with identical electrical specifications but obsolete product status and non-RoHS compliance.

Parameter Comparison

Parameter	74HCT03D,653	74HCT03D-Q100J	CD74HCT03M	CD74HCT03M96	CD74HCT03MT
Manufacturer	Nexperia USA Inc.	Nexperia USA Inc.	Harris Corporation	Texas Instruments	Texas Instruments
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
Features	Open Drain	Open Drain	Open Drain	Open Drain	Open Drain
Voltage - Supply	4.5V ~ 5.5V	4.5V ~ 5.5V	4.5V ~ 5.5V	4.5V ~ 5.5V	4.5V ~ 5.5V
Current - Quiescent (Max)	2 µA	2 µA	2 µA	2 µA	2 µA
Current - Output High, Low	-, 4mA	-, 4mA	-, 4mA	-, 4mA	-, 4mA
Input Logic Level - Low	0.8V	0.8V	0.8V	0.8V	0.8V
Input Logic Level - High	2V	2V	2V	2V	2V
Max Propagation Delay @ V, Max CL	24ns @ 4.5V, 50pF	24ns @ 4.5V, 50pF	24ns @ 4.5V, 50pF	24ns @ 4.5V, 50pF	24ns @ 4.5V, 50pF
Operating Temperature	-40°C ~ 125°C	-40°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C
Package / Case	14-SOIC (0.154", 3.90mm Width)	14-SOIC (0.154", 3.90mm Width)	14-SOIC (0.154", 3.90mm Width)	14-SOIC (0.154", 3.90mm Width)	14-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Product Status	Active	Active	Obsolete	Active	Obsolete
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	RoHS non-compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	Not specified	1 (Unlimited)	1 (Unlimited)
Qualification	None specified	AEC-Q100	None specified	None specified	None specified
Packaging Format	Tape & Reel (TR)	Tape & Reel (TR)	Tube	Cut Tape (CT) & Digi-Reel®	Cut Tape (CT) & Digi-Reel®

Engineering Selection Recommendations

Primary Selection (74HCT03D-Q100J): Select this part when automotive-grade qualification is required. It maintains identical electrical and mechanical specifications to the 74HCT03D,653 while providing AEC-Q100 certification and active product status.

Secondary Selection (CD74HCT03M96): Select this part when extended operating temperature range (-55°C ~ 125°C) is required and active product status is critical. This Texas Instruments part provides ROHS3 compliance and MSL 1 rating.

Alternative Selection (CD74HCT03MT): This Texas Instruments part offers extended temperature range but carries obsolete product status. Selection is appropriate only when existing inventory must be consumed or when legacy system compatibility is required.

Not Recommended (CD74HCT03M): This Harris Corporation part is obsolete and RoHS non-compliant. Selection is not appropriate for new designs or systems requiring environmental compliance.

Frequently Asked Questions (FAQ)

Q: Can 74HCT03D-Q100J be used as a direct replacement for 74HCT03D,653?

A: Yes. The 74HCT03D-Q100J is a parametric equivalent with identical electrical specifications, logic configuration, and package type. The primary difference is the addition of AEC-Q100 automotive qualification.

Q: What is the difference between the Nexperia and Texas Instruments versions?

A: Both manufacturers provide parts with identical electrical performance and 14-SOIC packaging. The primary differences are manufacturer source, product status (Nexperia parts are active; some TI parts are obsolete), and packaging format (Nexperia uses Tape & Reel; TI uses Cut Tape or Digi-Reel).

Q: Does the extended temperature range of CD74HCT03M96 and CD74HCT03MT affect electrical performance?

A: No. The extended operating temperature range (-55°C ~ 125°C versus -40°C ~ 125°C) does not alter the electrical specifications. All propagation delays, voltage levels, and current ratings remain identical.

Q: Why is CD74HCT03M marked as obsolete?

A: CD74HCT03M is a legacy Harris Corporation product. Current production has been discontinued, and it does not meet modern RoHS3 compliance requirements.

Q: Are all substitute parts available in the same 14-SOIC package?

A: Yes. All listed substitute parts use the 14-SOIC (0.154", 3.90mm Width) package, ensuring mechanical compatibility with the original 74HCT03D,653 design.

Q: What packaging formats are available for these parts?

A: The 74HCT03D,653 and 74HCT03D-Q100J are supplied in Tape & Reel (TR) format. CD74HCT03M is supplied in Tube format. CD74HCT03M96 and CD74HCT03MT are supplied in Cut Tape (CT) & Digi-Reel® format. Packaging format selection depends on assembly process requirements and order quantities.

Q: Is moisture sensitivity a concern for these parts?

A: The 74HCT03D,653, 74HCT03D-Q100J, CD74HCT03M96, and CD74HCT03MT all carry MSL 1 (Unlimited) rating, indicating no moisture sensitivity restrictions. CD74HCT03M does not specify MSL rating.

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