74AC11MTC AND Gate IC Equivalent & Substitute Parts

Part Overview

The 74AC11MTC is a 3-channel AND gate logic IC manufactured by onsemi in 14-TSSOP surface mount packaging. This part is classified as obsolete, making substitute components necessary for new designs and production continuity. The 74AC11 series provides standard AND gate functionality with 3 inputs per channel, operating across a 2V to 6V supply voltage range with 8ns maximum propagation delay at 5V with 50pF load.

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
Mounting Type	Surface Mount
Package / Case	14-TSSOP (0.173", 4.40mm Width)
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the 74AC11MTC is determined by strict equivalence across the following parameters: logic type (AND gate), circuit count (3 channels), input count (3 per channel), supply voltage range (2V ~ 6V), output current capability (24mA), input logic thresholds, propagation delay (8ns @ 5V, 50pF), operating temperature range (-40°C ~ 85°C), and mounting type (surface mount).

Substitute parts are grouped into three categories based on packaging and qualification:

Direct Equivalents (14-TSSOP Package): SN74AC11IPWREP, SN74AC11IPWRG4Q1, and SN74AC11PWR maintain identical package geometry and all electrical parameters, enabling direct board-level replacement.

Similar Substitute (14-SSOP Package): SN74AC11DBR provides identical electrical performance but uses 14-SSOP packaging (0.209", 5.30mm width) instead of 14-TSSOP (0.173", 4.40mm width), requiring PCB footprint verification before substitution.

Parametric Equivalent (Tube Packaging): SN74AC11PW matches all electrical specifications and 14-TSSOP package dimensions but is supplied in tube packaging rather than tape & reel format.

Parameter Comparison

Parameter	74AC11MTC (onsemi)	SN74AC11IPWREP (TI)	SN74AC11IPWRG4Q1 (TI)	SN74AC11PWR (TI)	SN74AC11DBR (TI)	SN74AC11PW (TI)
Logic Type	AND Gate	AND Gate	AND Gate	AND Gate	AND Gate	AND Gate
Number of Circuits	3	3	3	3	3	3
Number of Inputs	3	3	3	3	3	3
Voltage - Supply	2V ~ 6V	2V ~ 6V	2V ~ 6V	2V ~ 6V	2V ~ 6V	2V ~ 6V
Current - Quiescent (Max)	2 µA	2 µA	2 µA	2 µA	2 µA	2 µA
Current - Output High, Low	24mA, 24mA	24mA, 24mA	24mA, 24mA	24mA, 24mA	24mA, 24mA	24mA, 24mA
Input Logic Level - Low	0.9V ~ 1.65V	0.9V ~ 1.65V	0.9V ~ 1.65V	0.9V ~ 1.65V	0.9V ~ 1.65V	0.9V ~ 1.65V
Input Logic Level - High	2.1V ~ 3.85V	2.1V ~ 3.85V	2.1V ~ 3.85V	2.1V ~ 3.85V	2.1V ~ 3.85V	2.1V ~ 3.85V
Max Propagation Delay @ V, Max CL	8ns @ 5V, 50pF	8ns @ 5V, 50pF	8ns @ 5V, 50pF	8ns @ 5V, 50pF	8ns @ 5V, 50pF	8ns @ 5V, 50pF
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Package / Case	14-TSSOP (0.173", 4.40mm)	14-TSSOP (0.173", 4.40mm)	14-TSSOP (0.173", 4.40mm)	14-TSSOP (0.173", 4.40mm)	14-SSOP (0.209", 5.30mm)	14-TSSOP (0.173", 4.40mm)
Product Status	Obsolete	Active	Active	Discontinued at DiGi Electronics	Active	Discontinued at DiGi Electronics
RoHS Status	Not specified	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Qualification	Not specified	Not specified	AEC-Q100	Not specified	Not specified	Not specified

Engineering Selection Recommendations

For direct replacement with active product status: SN74AC11IPWREP and SN74AC11IPWRG4Q1 are the primary substitutes. Both are manufactured by Texas Instruments with active product status and ROHS3 compliance. SN74AC11IPWRG4Q1 includes AEC-Q100 automotive qualification, making it suitable for automotive and high-reliability applications. Both maintain identical 14-TSSOP packaging and electrical specifications.

For applications requiring automotive qualification: SN74AC11IPWRG4Q1 is the specified choice due to AEC-Q100 qualification and highest available inventory (3300 pcs).

For standard commercial applications: SN74AC11IPWREP provides active product status with ROHS3 compliance and adequate inventory (999 pcs).

For package-compatible alternatives: SN74AC11DBR offers identical electrical performance in 14-SSOP packaging. PCB footprint redesign is required, as the package width differs (5.30mm vs 4.40mm).

For discontinued product status consideration: SN74AC11PW and SN74AC11PWR are discontinued at DiGi Electronics and should not be selected for new designs requiring long-term supply assurance.

Frequently Asked Questions (FAQ)

Q: Can SN74AC11DBR be used as a direct replacement for 74AC11MTC?

A: SN74AC11DBR provides identical electrical performance and logic functionality. However, it uses 14-SSOP packaging (0.209", 5.30mm width) instead of 14-TSSOP (0.173", 4.40mm width). PCB footprint verification and potential redesign are required before substitution.

Q: What is the difference between SN74AC11IPWREP and SN74AC11IPWRG4Q1?

A: Both parts are electrically identical with matching 14-TSSOP packaging. SN74AC11IPWRG4Q1 includes AEC-Q100 automotive qualification and higher inventory availability (3300 pcs vs 999 pcs). For automotive or high-reliability applications, SN74AC11IPWRG4Q1 is the recommended choice.

Q: Why is the 74AC11MTC listed as obsolete?

A: The 74AC11MTC is an onsemi product that has reached end-of-life status. Texas Instruments maintains active production of functionally equivalent 74AC11 variants, making substitution straightforward for design continuity.

Q: Are all substitute parts ROHS3 compliant?

A: All Texas Instruments substitute parts (SN74AC11IPWREP, SN74AC11IPWRG4Q1, SN74AC11PWR, SN74AC11DBR, SN74AC11PW) are ROHS3 compliant. The original 74AC11MTC RoHS status is not specified in available documentation.

Q: What packaging formats are available for 74AC11 substitutes?

A: Substitute parts are available in three packaging formats: Tape & Reel (TR) for SN74AC11IPWREP, SN74AC11IPWRG4Q1, SN74AC11PWR, and SN74AC11DBR; Tube for SN74AC11PW. Tape & Reel format is standard for automated assembly processes.

Q: Can SN74AC11PW be used for new production designs?

A: SN74AC11PW is discontinued at DiGi Electronics and should not be selected for new designs. SN74AC11IPWREP or SN74AC11IPWRG4Q1 are the recommended active alternatives with assured long-term availability.

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