SN74HC11DT Equivalent & Substitute Parts

Part Overview

The SN74HC11DT is a 3-channel AND gate logic IC manufactured by Texas Instruments in a 14-SOIC surface mount package. This part is discontinued at DiGi Electronics, making equivalent and substitute parts necessary for ongoing design support and procurement. The SN74HC11DT 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

Substitution for the SN74HC11DT is determined by strict equivalence across the following critical parameters:

Logic Type: AND Gate with 3 channels and 3 inputs per channel
Voltage Supply Range: 2V ~ 6V minimum
Output Current Capability: 5.2mA minimum for both high and low states
Propagation Delay: 17ns maximum at 6V with 50pF load
Package Type: 14-SOIC surface mount configuration
RoHS3 Compliance and MSL Level 1 rating

Substitute parts are grouped by product status and packaging format. All listed substitutes maintain the core logic functionality and electrical specifications required for direct replacement in existing designs.

Parameter Comparison

Part Number	Manufacturer	Product Status	Packaging	Voltage - Supply	Current - Quiescent (Max)	Propagation Delay @ 6V, 50pF	Operating Temperature	Package / Case
SN74HC11DT	Texas Instruments	Discontinued at DiGi Electronics	Tape & Reel (TR)	2V ~ 6V	2 µA	17ns	-40°C ~ 85°C	14-SOIC
SN74HC11DR	Texas Instruments	Active	Cut Tape (CT) & Digi-Reel®	2V ~ 6V	2 µA	17ns	-40°C ~ 85°C	14-SOIC
74HC11D,652	Nexperia USA Inc.	Obsolete	Tube	2V ~ 6V	2 µA	17ns	-40°C ~ 125°C	14-SOIC
74HC11D,653	NXP Semiconductors	Active	Bulk	2V ~ 6V	2 µA	17ns	-40°C ~ 125°C	14-SOIC
74HC11D-Q100J	Nexperia USA Inc.	Active	Tape & Reel (TR)	2V ~ 6V	2 µA	17ns	-40°C ~ 125°C	14-SOIC
MC74HC11ADG	onsemi	Active	Tube	2V ~ 6V	1 µA	16ns	-55°C ~ 125°C	14-SOIC
MC74HC11ADR2G	onsemi	Active	Tape & Reel (TR)	2V ~ 6V	1 µA	16ns	-55°C ~ 125°C	14-SOIC

Engineering Selection Recommendations

For applications requiring immediate replacement of the discontinued SN74HC11DT, the SN74HC11DR from Texas Instruments is the direct parametric equivalent, maintaining identical electrical specifications and operating temperature range while offering active product status and standard packaging availability.

The 74HC11D,653 from NXP Semiconductors provides an active alternative with extended operating temperature range (-40°C to 125°C) and high inventory availability in bulk packaging, suitable for high-volume production requirements.

The MC74HC11ADR2G and MC74HC11ADG from onsemi offer improved quiescent current performance (1 µA versus 2 µA) and faster propagation delay (16ns versus 17ns), with extended temperature range and active product status. The MC74HC11ADR2G in Tape & Reel packaging is recommended for automated assembly processes.

The 74HC11D-Q100J from Nexperia USA Inc. includes AEC-Q100 automotive qualification, suitable for applications requiring automotive-grade components with extended temperature range support.

All listed substitutes maintain ROHS3 compliance, MSL Level 1 rating, and 14-SOIC package compatibility with the original SN74HC11DT.

Frequently Asked Questions (FAQ)

Q: Can SN74HC11DR be used as a direct replacement for SN74HC11DT?

A: Yes. The SN74HC11DR is a parametric equivalent with identical logic type, channel configuration, voltage supply range, output current capability, and propagation delay specifications. The primary difference is packaging format (Cut Tape & Digi-Reel versus Tape & Reel) and product status (Active versus Discontinued).

Q: What is the difference between the onsemi MC74HC11ADR2G and the Texas Instruments SN74HC11DR?

A: Both are functionally equivalent AND gate ICs in 14-SOIC packages. The MC74HC11ADR2G offers lower quiescent current (1 µA versus 2 µA), faster propagation delay (16ns versus 17ns), and extended operating temperature range (-55°C to 125°C versus -40°C to 85°C). Selection depends on application requirements for power consumption, speed, and temperature performance.

Q: Is the 74HC11D,653 from NXP suitable for designs originally using SN74HC11DT?

A: Yes. The 74HC11D,653 maintains all critical electrical parameters required for substitution, including logic type, channel count, voltage supply range, and output current specifications. The extended operating temperature range (-40°C to 125°C) provides additional margin for temperature-sensitive applications.

Q: What packaging options are available for 74HC11 logic ICs?

A: Available packaging formats include Tape & Reel (TR), Cut Tape (CT), Tube, and Bulk. Selection depends on assembly method and procurement volume. Tape & Reel and Cut Tape formats are standard for automated surface mount assembly. Tube and Bulk packaging are used for manual assembly or high-volume direct procurement.

Q: Are all listed substitutes RoHS3 compliant?

A: Yes. All substitute parts listed maintain ROHS3 compliance and MSL Level 1 (Unlimited) moisture sensitivity rating, consistent with the original SN74HC11DT specifications.

Q: Can 74HC11D-Q100J be used in non-automotive applications?

A: Yes. The 74HC11D-Q100J is AEC-Q100 qualified for automotive use but functions as a standard 74HC11 AND gate logic IC in any application. The automotive qualification provides additional quality assurance and extended temperature range support.

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