SN74AC11DRE4 Equivalent & Substitute Parts

Part Overview

The SN74AC11DRE4 is a 3-channel AND gate logic IC manufactured by Texas Instruments in 14-SOIC surface mount packaging. This part is classified as obsolete, making substitute parts necessary for new designs and ongoing production requirements. The 74AC series provides standard AND gate functionality with compatible electrical characteristics across multiple manufacturers and packaging options.

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	24mA, 24mA
Input Logic Level - Low	0.9V ~ 1.65V
Input Logic Level - High	2.1V ~ 3.85V
Max Propagation Delay @ V, Max CL	8ns @ 5V, 50pF
Operating Temperature	-40°C ~ 85°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 for the SN74AC11DRE4 is determined by strict equivalence across the following parameters: logic type (AND gate), number of circuits (3), number of inputs (3), supply voltage range (2V ~ 6V), output current capability (24mA), input logic levels, propagation delay (8ns @ 5V, 50pF), operating temperature range (-40°C ~ 85°C), and package type (14-SOIC). All substitute parts maintain identical functional and electrical specifications within these parameters. Packaging format (Cut Tape, Tape & Reel, or Tube) and manufacturer (Texas Instruments or onsemi) represent the primary variables among qualified substitutes.

Parameter Comparison

Part Number	Manufacturer	Product Status	Packaging	Voltage - Supply	Current - Quiescent (Max)	Current - Output High, Low	Max Propagation Delay	Operating Temperature	Package / Case
SN74AC11DRE4	Texas Instruments	Obsolete	14-SOIC	2V ~ 6V	2 µA	24mA, 24mA	8ns @ 5V, 50pF	-40°C ~ 85°C	14-SOIC (0.154", 3.90mm Width)
SN74AC11DR	Texas Instruments	Active	Cut Tape (CT) & Digi-Reel®	2V ~ 6V	2 µA	24mA, 24mA	8ns @ 5V, 50pF	-40°C ~ 85°C	14-SOIC (0.154", 3.90mm Width)
SN74AC11IDRG4Q1	Texas Instruments	Active	Tape & Reel (TR)	2V ~ 6V	2 µA	24mA, 24mA	8ns @ 5V, 50pF	-40°C ~ 85°C	14-SOIC (0.154", 3.90mm Width)
MC74AC11DG	onsemi	Active	Tube	2V ~ 6V	4 µA	24mA, 24mA	8ns @ 5V, 50pF	-40°C ~ 85°C	14-SOIC (0.154", 3.90mm Width)
MC74AC11DR2G	onsemi	Active	Tape & Reel (TR)	2V ~ 6V	4 µA	24mA, 24mA	8ns @ 5V, 50pF	-40°C ~ 85°C	14-SOIC (0.154", 3.90mm Width)

Engineering Selection Recommendations

For applications requiring the SN74AC11DRE4, the primary recommendation is SN74AC11DR from Texas Instruments, which maintains active product status and identical electrical specifications. This part is available in Cut Tape and Digi-Reel packaging formats with 4072 units in stock.

The SN74AC11IDRG4Q1 variant from Texas Instruments provides automotive-grade qualification (AEC-Q100) and is suitable for applications requiring automotive compliance. This part maintains identical electrical parameters and active product status.

onsemi alternatives MC74AC11DG and MC74AC11DR2G are functionally equivalent with maximum quiescent current of 4 µA (compared to 2 µA for Texas Instruments variants). Both maintain active product status, identical logic functionality, and 14-SOIC packaging. MC74AC11DG is supplied in Tube packaging, while MC74AC11DR2G is supplied in Tape & Reel format.

All substitute parts comply with ROHS3 and maintain MSL 1 (Unlimited) moisture sensitivity classification.

Frequently Asked Questions (FAQ)

Q: Can SN74AC11DR be used as a direct replacement for SN74AC11DRE4?

A: Yes. SN74AC11DR is a direct functional equivalent with identical electrical specifications, logic configuration, and 14-SOIC package. The primary difference is product status (Active vs. Obsolete) and packaging format availability.

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

A: Texas Instruments SN74AC11 series parts specify maximum quiescent current of 2 µA, while onsemi MC74AC11 series parts specify 4 µA maximum. All other electrical parameters, including output current, propagation delay, and logic levels, are identical. Both manufacturers comply with ROHS3 and maintain the same operating temperature range.

Q: Is the SN74AC11IDRG4Q1 suitable for automotive applications?

A: Yes. The SN74AC11IDRG4Q1 carries AEC-Q100 automotive qualification and is designated for automotive-grade applications. It maintains identical electrical specifications to the standard SN74AC11DR.

Q: Are packaging format differences significant for substitution?

A: Packaging format (Cut Tape, Tape & Reel, or Tube) affects handling, storage, and assembly processes but does not impact electrical functionality or compatibility. Selection should be based on production requirements and assembly equipment compatibility.

Q: Do all substitute parts maintain the same 14-SOIC package dimensions?

A: Yes. All substitute parts use 14-SOIC (0.154", 3.90mm Width) packaging with identical footprint and pin configuration, ensuring PCB layout compatibility.

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