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Home > Products > Integrated Circuits (ICs) > Logic > Gates and Inverters

onsemi MC74AC11NG

Name: MC74AC11NG
Brand: onsemi
SKU: MC74AC11NG
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: MC74AC11NG

Manufacturer:: onsemi

Category:: Gates and Inverters

Package:: 14-DIP (0.300", 7.62mm)

Datasheet:: MC74AC11NG.pdf

Description:: IC GATE AND 3CH 3-INP 14DIP

Quantity:: RFQ Add To RFQ list

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Product details

Overview

MC74AC11NG from onsemi is a triple 3-input AND gate in high-performance silicon-gate CMOS technology, operating at 2.0–6.0 V supply, delivering ±24 mA output drive, with propagation delays as low as 4.0 ns (typ) at 5.0 V, and designed for logic-level signal conditioning in digital control systems.

For engineers reviewing the MC74AC11NG datasheet, pinout, applications, or equivalent options, key selection considerations include its 3.3 V/5 V compatibility, SOIC-14 Pb-free package, guaranteed AC/DC performance across −40°C to +85°C, and TTL-compatible input thresholds only on the MC74ACT11 variant-not applicable to MC74AC11NG.

Technical Context

The MC74AC11NG implements three independent 3-input AND logic functions using CMOS transistor pairs with rail-to-rail output swing and symmetrical rise/fall times. It supports mixed-voltage interfacing via wide V_CC range (2.0–6.0 V) and exhibits low dynamic power consumption due to its 20 pF power-dissipation capacitance.

Unlike the MC74ACT11 variant, the MC74AC11NG uses CMOS-compatible input thresholds (VIH = 2.1 V min at VCC = 3.0 V), not TTL thresholds, and does not meet the 0.8 V/2.0 V VIH/VIL spec of ACT devices-making it unsuitable for direct replacement in legacy TTL-driven systems without level-shifting.

Key Specifications

Parameter	Value and Actual Design Meaning
V_CC Range	2.0 V to 6.0 V - enables operation from 3.3 V logic rails up to 5 V industrial buses without external regulators
Output Drive	±24 mA - sufficient to directly drive multiple 74-series inputs or small LEDs without buffering
t_PLH/t_PHL	4.0 ns typ @ 5.0 V, CL = 50 pF - supports >100 MHz toggle rates in clean PCB layouts
Input Thresholds	VIH = 2.1 V min @ 3.0 V VCC - CMOS-ratioed (≈70% VCC), not TTL-compatible
Operating Temp	−40°C to +85°C - qualified for industrial ambient environments without derating
Package	SOIC-14 (Case 751A) - standard surface-mount footprint compatible with automated reflow assembly
ESD Rating	>2000 V HBM - robust enough for handling in non-EPA production areas

Pinout & Package

MC74AC11NG is housed in a 14-lead SOIC (Small Outline Integrated Circuit) package per case outline 751A, with 1.27 mm pitch, 8.55–8.75 mm body width, and Pb-free finish (G suffix). Pin 1 is top-left corner marked by bevel or notch.

Pin/Terminal	Circuit Role	Design Meaning
1, 2, 13	Input A, B, C of Gate 1	Three independent logic inputs for first AND gate; all must be HIGH for output Y1 HIGH
3	Output Y1	Active-HIGH AND result of pins 1, 2, 13; drives load referenced to GND or VCC
4, 5, 6	Input A, B, C of Gate 2	Three independent logic inputs for second AND gate
8	Output Y2	Active-HIGH AND result of pins 4, 5, 6
9, 10, 11	Input A, B, C of Gate 3	Three independent logic inputs for third AND gate
12	Output Y3	Active-HIGH AND result of pins 9, 10, 11
7	GND	Ground reference for all logic and power domains; must be low-impedance connection
14	V_CC	Positive supply rail; bypass capacitor (0.1 µF ceramic) required adjacent to pin

Key Features

Feature	Design Value
High-Speed CMOS Logic	4.0 ns typical propagation delay at 5 V enables use in timing-critical combinational paths
Rail-to-Rail Output Swing	VOH ≥ 4.4 V and VOL ≤ 0.1 V at 5 V/24 mA ensures noise margin >0.7 V in 5 V systems
Low Input Capacitance	4.5 pF typical - minimizes loading on preceding drivers and preserves signal edge integrity
Pb-Free & RoHS Compliant	Marked "G" per onsemi packaging standard - meets global environmental compliance requirements
Wide Temperature Range	Specified from −40°C to +85°C - eliminates need for thermal derating in most industrial enclosures

Applications

Industrial PLC I/O Conditioning	Automotive Body Control Module Logic
Use Scenario: Combining sensor status signals (door open, seatbelt fastened, ignition ON) before enabling interior lighting or chime activation. IC Role / Device Role / Timing Role: Combinational logic gate performing real-time 3-input AND decision with sub-10 ns latency. Use Value: Eliminates need for microcontroller polling or software logic, reducing MCU interrupt load and firmware complexity.	Use Scenario: Validating simultaneous brake pedal press, gear-in-P position, and parking light ON before enabling auto-hold function. IC Role / Device Role / Timing Role: Hardware-level safety interlock gate ensuring deterministic response <10 ns, independent of software state. Use Value: Provides fail-safe hardware gating that remains functional even during MCU reset or firmware hang.
Medical Infusion Pump Safety Logic	Test Equipment Signal Gating
Use Scenario: Requiring pump motor enable only when occlusion detected, door closed, and start button pressed - all true simultaneously. IC Role / Device Role / Timing Role: Critical path AND gate in redundant safety chain, operating within IEC 62304 Class B logic. Use Value: Delivers certified hardware-enforced condition checking with no software dependency or clock domain crossing.	Use Scenario: Enabling analog signal acquisition only when trigger, arm, and calibration-ready signals are all asserted. IC Role / Device Role / Timing Role: Precision timing gate synchronizing data capture windows in automated test fixtures. Use Value: Reduces false triggers and improves measurement repeatability by eliminating metastability from asynchronous inputs.

Industrial PLC I/O Conditioning

Automotive Body Control Module Logic

Use Scenario: Combining sensor status signals (door open, seatbelt fastened, ignition ON) before enabling interior lighting or chime activation.

IC Role / Device Role / Timing Role: Combinational logic gate performing real-time 3-input AND decision with sub-10 ns latency.

Use Value: Eliminates need for microcontroller polling or software logic, reducing MCU interrupt load and firmware complexity.

Use Scenario: Validating simultaneous brake pedal press, gear-in-P position, and parking light ON before enabling auto-hold function.

IC Role / Device Role / Timing Role: Hardware-level safety interlock gate ensuring deterministic response <10 ns, independent of software state.

Use Value: Provides fail-safe hardware gating that remains functional even during MCU reset or firmware hang.

Medical Infusion Pump Safety Logic

Test Equipment Signal Gating

Use Scenario: Requiring pump motor enable only when occlusion detected, door closed, and start button pressed - all true simultaneously.

IC Role / Device Role / Timing Role: Critical path AND gate in redundant safety chain, operating within IEC 62304 Class B logic.

Use Value: Delivers certified hardware-enforced condition checking with no software dependency or clock domain crossing.

Use Scenario: Enabling analog signal acquisition only when trigger, arm, and calibration-ready signals are all asserted.

IC Role / Device Role / Timing Role: Precision timing gate synchronizing data capture windows in automated test fixtures.

Use Value: Reduces false triggers and improves measurement repeatability by eliminating metastability from asynchronous inputs.

Equivalent & Alternatives

The following parts are listed as comparable options for similar 3-input AND gate applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
SN74AC11DR	Same logic function, identical AC/DC specs, TI-manufactured SOIC-14 package with same pinout	No functional difference; validated drop-in replacement per TI datasheet SLAS047K	Select SN74AC11DR if dual-sourcing or TI-aligned BOM strategy is required
74VHC11M	Higher V_CC max (7 V), lower I_OL/I_OH (±8 mA), slower t_PD (7.5 ns typ @ 5 V)	Suitable for low-power, lower-speed applications where drive strength is not critical	Choose 74VHC11M only when system current budget <10 mA/gate and timing slack >3 ns

Compared with MC74AC11NG, SN74AC11DR offers identical performance and pinout for supply-chain flexibility, while 74VHC11M trades speed and drive for reduced power and higher voltage tolerance-requiring layout review if substituting in existing 24 mA drive paths.

Availability

MC74AC11NG is available at Aetrix Electronics and suitable for industrial PLC I/O conditioning, automotive body control modules, and medical infusion pump safety logic requiring stable component supply, long-term lifecycle support, and RoHS-compliant sourcing.

Supply support for MC74AC11NG includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

onsemi (formerly ON Semiconductor) is a global semiconductor supplier focused on energy-efficient electronics, serving automotive, industrial, cloud, and medical markets with discrete, analog, and logic solutions.

The MC74AC11NG belongs to onsemi's 74AC logic family, engineered for high-speed, low-noise, mixed-voltage digital interfacing in harsh industrial and automotive environments.

FAQ

Is MC74AC11NG pin-compatible with MC74ACT11?

No. While both share the same SOIC-14 pinout and logic function, MC74AC11NG uses CMOS input thresholds (VIH ≈ 0.7×VCC), whereas MC74ACT11 uses TTL-compatible thresholds (VIH = 2.0 V fixed). Interchanging them may cause logic misreads in systems driven by legacy TTL outputs. The MC74AC11NG datasheet explicitly excludes ACT-series input specifications.

What is the maximum recommended V_CC for continuous operation of MC74AC11NG?

The absolute maximum DC supply voltage for MC74AC11NG is +6.5 V, but the recommended operating maximum is 6.0 V per the datasheet's Recommended Operating Conditions table. Sustained operation above 6.0 V risks accelerated parametric drift and reduced reliability, even if below the 6.5 V absolute limit.

Does MC74AC11NG support 3.3 V logic systems?

Yes. MC74AC11NG is fully specified down to 2.0 V V_CC, with guaranteed VIH = 1.5 V and VIL = 0.9 V at 3.0 V, making it interoperable with standard 3.3 V CMOS outputs. Its 4.0 ns typical propagation delay at 3.3 V (CL = 50 pF) ensures timing closure in modern low-voltage digital designs.

Can MC74AC11NG drive a 50 Ω transmission line directly?

No. With a typical output impedance of ~20 Ω (derived from 24 mA drive into 0.44 V VOL), MC74AC11NG cannot properly terminate a 50 Ω line. Direct connection causes reflections and overshoot. For transmission-line driving, use a dedicated line driver or add series termination (e.g., 30 Ω resistor) at the source.

What does the "G" suffix in MC74AC11NG signify?

The "G" suffix in MC74AC11NG indicates a Pb-free, RoHS-compliant package per onsemi's marking standard. It appears in the device marking as "AC11G" and confirms compliance with JEDEC J-STD-609A Class 1 moisture sensitivity and UL 94 V-0 flammability rating - verified in the official MC74AC11/D datasheet revision 9.

MC74AC11NG Specifications

Product attributes: Attribute value

Manufacturer:: onsemi

Series:: 74AC

Package/Case:: 14-DIP (0.300", 7.62mm)

Packaging:: Tube

Product Status:: Obsolete

Logic Type:: AND Gate

Number of Circuits:: 3

Number of Inputs:: 3

Features:: -

Voltage - Supply:: 2V ~ 6V

Current - Quiescent (Max):: 4 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

Grade:: -

Qualification:: -

Mounting Type:: Through Hole

Supplier Device Package:: 14-PDIP

MC74AC11NG FAQ

1.How can I place an order for MC74AC11NG through Aetrix?

Please submit a Request for Quotation (RFQ) for MC74AC11NG on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for MC74AC11NG reliable?

The price and inventory of MC74AC11NG are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MC74AC11NG is usually 5 days.

3.What payment methods are accepted for MC74AC11NG?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MC74AC11NG transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for MC74AC11NG?

MC74AC11NG orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your MC74AC11NG order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for MC74AC11NG?

For technical support, including MC74AC11NG datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MC74AC11NG requirements.

6.How does Aetrix verify that MC74AC11NG is sourced from the original manufacturer or authorized distributors?

All MC74AC11NG products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that MC74AC11NG meets industry standards.

7.What is the process for return or replacement of MC74AC11NG?

All MC74AC11NG units undergo pre-shipment inspection (PSI). If there is an issue with MC74AC11NG, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The MC74AC11NG part is unused and in its original packaging.

Return procedure for MC74AC11NG:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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