SN74HC11D Equivalent & Substitute Parts

Part Overview

The SN74HC11D is a 3-channel AND gate logic IC manufactured by Texas Instruments in a 14-SOIC surface mount package. This part is currently discontinued at DiGi Electronics, making equivalent and substitute parts necessary for ongoing design support and production requirements. The SN74HC11D operates across a 2V to 6V supply voltage range and is suitable for general-purpose logic applications requiring AND gate functionality with three inputs per channel.

Key Parameters

Parameter	Value
Logic Type	AND Gate
Number of Circuits	3
Number of Inputs	3
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	17ns
Operating Temperature	-40°C ~ 85°C
Mounting Type	Surface Mount
Package / Case	14-SOIC (0.154", 3.90mm Width)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the SN74HC11D are qualified based on the following criteria:

Functional Equivalence: All substitute parts maintain identical logic type (AND Gate), circuit count (3 channels), and input configuration (3 inputs per channel).

Electrical Compatibility: Supply voltage range (2V ~ 6V), quiescent current (≤2 µA), output current capability (5.2mA), and propagation delay (≤17ns @ 6V, 50pF) must be maintained or improved.

Package Compatibility: All substitutes use 14-SOIC surface mount packaging with identical physical dimensions (0.154", 3.90mm Width), ensuring direct PCB footprint compatibility.

Compliance Requirements: All substitutes maintain ROHS3 compliance, MSL Level 1, and equivalent regulatory status (REACH Unaffected, ECCN EAR99).

Availability Status: Direct substitutes include active production parts from multiple manufacturers to ensure supply chain continuity.

Parameter Comparison

Part Number	Manufacturer	Product Status	Quiescent Current (Max)	Propagation Delay @ 6V, 50pF	Operating Temperature	Packaging	Inventory
SN74HC11D	Texas Instruments	Discontinued	2 µA	17ns	-40°C ~ 85°C	14-SOIC	2132 Pcs
SN74HC11DR	Texas Instruments	Active	2 µA	17ns	-40°C ~ 85°C	14-SOIC	2300 Pcs
74HC11D,653	NXP Semiconductors	Active	2 µA	17ns	-40°C ~ 125°C	14-SOIC	45823 Pcs
74HC11D,652	Nexperia USA Inc.	Obsolete	2 µA	17ns	-40°C ~ 125°C	14-SOIC	1113 Pcs
74HC11D-Q100J	Nexperia USA Inc.	Active	2 µA	17ns	-40°C ~ 125°C	14-SOIC	967 Pcs
MC74HC11ADG	onsemi	Active	1 µA	16ns	-55°C ~ 125°C	14-SOIC	1741 Pcs
MC74HC11ADR2G	onsemi	Active	1 µA	16ns	-55°C ~ 125°C	14-SOIC	30523 Pcs

Engineering Selection Recommendations

Primary Recommendation - SN74HC11DR (Texas Instruments): Direct active equivalent from the original manufacturer. Maintains identical electrical specifications and operating temperature range as the SN74HC11D. Suitable for designs requiring continuity with the original part specification.

Extended Temperature Alternative - 74HC11D,653 (NXP Semiconductors): Active production part with expanded operating temperature range (-40°C ~ 125°C) and highest inventory availability (45823 Pcs). Electrical parameters remain equivalent to the original part. Recommended for applications requiring extended temperature operation or long-term supply security.

Automotive-Grade Option - 74HC11D-Q100J (Nexperia USA Inc.): Active production part with AEC-Q100 automotive qualification and expanded operating temperature range (-40°C ~ 125°C). Suitable for automotive and mission-critical applications requiring automotive-grade components.

Enhanced Performance Option - MC74HC11ADR2G (onsemi): Active production part with improved specifications: reduced quiescent current (1 µA vs. 2 µA), faster propagation delay (16ns vs. 17ns), and extended operating temperature range (-55°C ~ 125°C). Highest inventory availability among enhanced alternatives (30523 Pcs). Recommended for power-sensitive or high-reliability applications.

Avoid - 74HC11D,652 (Nexperia USA Inc.): Obsolete product status indicates discontinued production. Not recommended for new designs despite current inventory availability.

Frequently Asked Questions (FAQ)

Q: Can SN74HC11DR be used as a direct replacement for SN74HC11D?

A: Yes. SN74HC11DR is the active production equivalent from Texas Instruments with identical electrical specifications, operating temperature range, and 14-SOIC package. It is the direct functional replacement.

Q: What is the difference between the NXP 74HC11D,653 and the original SN74HC11D?

A: The 74HC11D,653 maintains identical electrical performance but extends the operating temperature range to -40°C ~ 125°C (versus -40°C ~ 85°C). All other parameters remain equivalent. The part is manufactured by NXP Semiconductors and is in active production.

Q: Why would I choose MC74HC11ADR2G over other substitutes?

A: MC74HC11ADR2G offers improved specifications: lower quiescent current (1 µA vs. 2 µA), faster propagation delay (16ns vs. 17ns), and wider operating temperature range (-55°C ~ 125°C). It is manufactured by onsemi and has the highest inventory availability (30523 Pcs), making it suitable for power-sensitive designs and long-term supply assurance.

Q: Are all substitute parts in the same package as the original SN74HC11D?

A: Yes. All listed substitute parts use the 14-SOIC surface mount package with identical physical dimensions (0.154", 3.90mm Width), ensuring direct PCB footprint compatibility without layout modifications.

Q: What is the difference between 74HC11D-Q100J and standard 74HC11D variants?

A: The 74HC11D-Q100J includes AEC-Q100 automotive qualification and is rated for extended operating temperature (-40°C ~ 125°C). It is suitable for automotive applications and mission-critical systems requiring automotive-grade components.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts maintain ROHS3 compliance, MSL Level 1 rating, and equivalent regulatory status (REACH Unaffected, ECCN EAR99).

Q: Can I use 74HC11D,652 as a substitute?

A: 74HC11D,652 is classified as obsolete, indicating discontinued production. While current inventory exists, it is not recommended for new designs due to uncertain long-term availability.

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