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

onsemi MC74AC00MEL

Name: MC74AC00MEL
Brand: onsemi
SKU: MC74AC00MEL
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: MC74AC00MEL

Manufacturer:: onsemi

Category:: Gates and Inverters

Package:: -

Datasheet:: MC74AC00MEL.pdf

Description:: IC GATE NAND 4CH 2-INP 14-SOEIAJ

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Product details

Overview

MC74AC00MEL from onsemi is a quad 2-input NAND gate in high-performance silicon-gate CMOS technology, operating across 2.0–6.0 V supply range with 24 mA output drive capability, 7.0 ns max propagation delay at 5.0 V, and TTL-compatible input thresholds. It serves as a fundamental logic building block in digital control, interface buffering, and signal conditioning circuits.

For engineers reviewing the MC74AC00MEL datasheet, pinout, applications, or equivalent options, key selection criteria include its wide V_CC range (2–6 V), guaranteed 24 mA sink/source current per output, −55°C to +125°C operating temperature, SOEIAJ-14 package footprint, and JEDEC Std. 7A compliance for industrial-grade reliability.

Technical Context

The MC74AC00MEL implements four independent NAND gates using silicon-gate CMOS process, delivering rail-to-rail output swing and high noise immunity. Its input structure meets TTL voltage thresholds (V_IL ≤ 1.65 V, V_VIH ≥ 2.1 V at V_CC = 5.5 V), enabling direct interfacing with legacy TTL systems without level shifters.

Propagation delay is characterized under defined AC conditions: t_PLH/t_PHL ≤ 9.5 ns at V_CC = 5.0 V, CL = 50 pF, tr/tf = 3.0 ns. Input capacitance is 4.5 pF and power dissipation capacitance is 30 pF, supporting stable high-speed switching in dense PCB layouts.

Key Specifications

Parameter	Value and Actual Design Meaning
V_CC Range	2.0–6.0 V - supports mixed-voltage system integration and battery-powered designs down to 2 V
Output Drive	±24 mA - drives standard TTL loads and multiple CMOS inputs without external buffers
Propagation Delay	≤9.5 ns at 5.0 V - enables reliable operation in 50+ MHz clock domains with margin
Operating Temp	−55°C to +125°C - qualified for automotive under-hood, industrial control, and aerospace environments
Input Thresholds	V_IL ≤ 1.65 V, V_IH ≥ 2.1 V at 5.5 V - ensures robust TTL-level compatibility and noise margin >0.8 V
ESD Rating	>2000 V HBM - withstands handling and board-level ESD events without protection circuitry
Package	SOEIAJ-14 (Case 965) - 10.2 mm × 5.3 mm surface-mount footprint with gull-wing leads for automated assembly

Pinout & Package

MC74AC00MEL uses the SOEIAJ-14 (JEDEC MO-153, Case 965) package: 14-pin gull-wing surface-mount with 1.27 mm pitch, 10.2 mm length, 5.3 mm width, and 1.7 mm max height. Pin 1 is marked by a beveled corner or notch.

Pin/Terminal	Circuit Role	Design Meaning
1, 2, 4, 5, 8, 9, 12, 13	Input A/B of NAND gates	Two inputs per gate (A1/B1, A2/B2, A3/B3, A4/B4); high-impedance CMOS inputs with ≤1 µA leakage
3, 6, 10, 11	Output Y of NAND gates	Active-low open-drain compatible outputs; rail-to-rail swing with ±24 mA drive strength
7	GND	Ground reference for all logic and power domains; must be low-impedance connection to minimize noise coupling
14	V_CC	Positive supply rail; bypass capacitor (0.1 µF ceramic) required within 5 mm for stable high-speed operation

Key Features

Feature	Design Value
Wide Supply Range	2.0–6.0 V operation enables use in 3.3 V, 5 V, and mixed-supply systems without voltage translation
TTL-Compatible Inputs	Guaranteed V_IL ≤ 1.65 V and V_IH ≥ 2.1 V at 5.5 V allows direct interconnection with 74LS/74F families
High Output Drive	24 mA sink/source per output supports fan-out of ≥10 standard TTL loads or ≥20 CMOS loads
Industrial Temp Range	−55°C to +125°C qualification ensures functionality in extended environmental conditions without derating
Pb-Free Option	MC74AC00MELG variant available; RoHS-compliant with same electrical specs and thermal performance

Applications

Industrial PLC I/O Modules	Automotive Body Control Units
Use Scenario: Logic-level signal inversion and enable/disable control for relay drivers and sensor interface circuits in programmable logic controllers. IC Role / Device Role / Timing Role: Quad NAND gate providing combinatorial logic for status decoding, fault masking, and output gating functions. Use Value: Guaranteed 24 mA drive directly interfaces with ULN2003A Darlington arrays; wide V_CC range accommodates 5 V and 3.3 V backplane supplies.	Use Scenario: Door lock actuator control, window lift sequencing, and lighting logic in body electronics modules. IC Role / Device Role / Timing Role: Discrete logic element implementing safety interlocks, debounce logic, and signal arbitration between microcontroller GPIOs and external switches. Use Value: −55°C to +125°C rating ensures operation across full vehicle thermal envelope; JEDEC Std. 7A compliance validates robustness against EMI and transients.
Medical Diagnostic Equipment	Test & Measurement Instruments
Use Scenario: Front-panel button debouncing, LED driver enable logic, and data path gating in portable ultrasound and patient monitors. IC Role / Device Role / Timing Role: Low-power, high-reliability NAND gate used in non-safety-critical control paths where deterministic timing and latch-up immunity are essential. Use Value: 1 µA max input leakage prevents false triggering in high-impedance analog front-end zones; 2.0 V min V_CC supports ultra-low-power standby modes.	Use Scenario: Signal routing, trigger synchronization, and bus arbitration logic in oscilloscopes, logic analyzers, and function generators. IC Role / Device Role / Timing Role: High-speed combinational logic block for real-time event detection, pulse shaping, and state machine initialization. Use Value: 9.5 ns max propagation delay ensures sub-100 MHz timing integrity; 4.5 pF input capacitance minimizes loading on high-frequency probe circuits.

Industrial PLC I/O Modules

Automotive Body Control Units

Use Scenario: Logic-level signal inversion and enable/disable control for relay drivers and sensor interface circuits in programmable logic controllers.

IC Role / Device Role / Timing Role: Quad NAND gate providing combinatorial logic for status decoding, fault masking, and output gating functions.

Use Value: Guaranteed 24 mA drive directly interfaces with ULN2003A Darlington arrays; wide V_CC range accommodates 5 V and 3.3 V backplane supplies.

Use Scenario: Door lock actuator control, window lift sequencing, and lighting logic in body electronics modules.

IC Role / Device Role / Timing Role: Discrete logic element implementing safety interlocks, debounce logic, and signal arbitration between microcontroller GPIOs and external switches.

Use Value: −55°C to +125°C rating ensures operation across full vehicle thermal envelope; JEDEC Std. 7A compliance validates robustness against EMI and transients.

Medical Diagnostic Equipment

Test & Measurement Instruments

Use Scenario: Front-panel button debouncing, LED driver enable logic, and data path gating in portable ultrasound and patient monitors.

IC Role / Device Role / Timing Role: Low-power, high-reliability NAND gate used in non-safety-critical control paths where deterministic timing and latch-up immunity are essential.

Use Value: 1 µA max input leakage prevents false triggering in high-impedance analog front-end zones; 2.0 V min V_CC supports ultra-low-power standby modes.

Use Scenario: Signal routing, trigger synchronization, and bus arbitration logic in oscilloscopes, logic analyzers, and function generators.

IC Role / Device Role / Timing Role: High-speed combinational logic block for real-time event detection, pulse shaping, and state machine initialization.

Use Value: 9.5 ns max propagation delay ensures sub-100 MHz timing integrity; 4.5 pF input capacitance minimizes loading on high-frequency probe circuits.

Equivalent & Alternatives

The following parts are listed as comparable options for similar quad 2-input NAND gate applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
SN74AC00DR	Same logic function, 2–6 V V_CC, but SOIC-14 (Case 751A) package; 7.5 ns max t_PLH at 5 V vs. 9.5 ns for MC74AC00MEL	SOIC footprint differs from SOEIAJ; requires PCB redesign; higher pin pitch (1.27 mm same, but body width 3.9 mm vs. 5.3 mm)	Select when SOIC-14 is preferred for reworkability or legacy board compatibility; verify thermal performance in high-density layouts.
74LVC00PW	Lower V_CC range (1.65–3.6 V); 32 mA drive; 3.7 ns max t_PLH; TSSOP-14 package; not TTL-compatible (V_IH = 2.0 V min at 3.3 V)	Not suitable for 5 V systems or TTL interfacing; optimized for 3.3 V/2.5 V mobile and low-power applications	Choose only for new 3.3 V designs requiring higher speed and lower power; incompatible with existing 5 V MC74AC00MEL layouts.

Compared with SN74AC00DR and 74LVC00PW, the MC74AC00MEL uniquely balances wide supply flexibility (2–6 V), proven industrial temperature resilience, and SOEIAJ-14 packaging suited for space-constrained yet thermally demanding applications-without sacrificing TTL interoperability or requiring layout changes for legacy 5 V systems.

Availability

MC74AC00MEL is available at Aetrix Electronics and suitable for industrial automation, automotive electronics, and medical instrumentation requiring stable component supply, long-term lifecycle support, and traceable sourcing.

Supply support for MC74AC00MEL 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 specializing in energy-efficient power, analog, sensors, and logic solutions for automotive, industrial, cloud, and medical markets.

The MC74AC00MEL belongs to the 74AC logic family designed for high-speed, low-power, TTL-compatible digital interfacing in harsh-environment applications where reliability across extended temperature and voltage ranges is critical.

FAQ

What is the maximum operating supply voltage for MC74AC00MEL?

The MC74AC00MEL has an absolute maximum DC supply voltage (V_CC) rating of 7.0 V, but its recommended operating range is 2.0 V to 6.0 V. Operation above 6.0 V risks exceeding safe junction temperature and may cause permanent damage. The device is fully specified and tested across the 2.0–6.0 V range, including propagation delay, drive strength, and input thresholds - all guaranteed per datasheet limits for MC74AC00MEL.

Does MC74AC00MEL support direct interfacing with TTL logic families?

Yes, MC74AC00MEL supports direct TTL interfacing due to its TTL-compatible input voltage thresholds: V_IL ≤ 1.65 V and V_IH ≥ 2.1 V at V_CC = 5.5 V. This ensures reliable recognition of TTL logic levels without external level shifters. The MC74AC00MEL output can also drive standard TTL loads (e.g., 74LS series) thanks to its ±24 mA drive capability - a key specification confirmed across temperature for MC74AC00MEL.

What is the thermal resistance (θ_JA) of MC74AC00MEL in its SOEIAJ-14 package?

The datasheet does not specify θ_JA for the SOEIAJ-14 (Case 965) package used by MC74AC00MEL. Thermal resistance values are provided only for PDIP (78°C/W), SOIC (125°C/W), and TSSOP (170°C/W) variants. For MC74AC00MEL, thermal performance must be validated experimentally or via PCB-specific simulation, as SOEIAJ-14 thermal characteristics depend heavily on copper area, layer count, and airflow - no generic θ_JA value is published for MC74AC00MEL.

Is MC74AC00MEL rated for automotive applications?

MC74AC00MEL is not AEC-Q100 qualified, but it is rated for −55°C to +125°C operating ambient temperature and meets JEDEC Std. 7A requirements - making it suitable for under-hood and body-control applications where full automotive qualification is not mandated. Its latch-up immunity (>100 mA), ESD robustness (>2000 V HBM), and wide V_CC range provide design margin for automotive environments; however, for ASIL-B/C systems, formal AEC-Q100 testing of the specific MC74AC00MEL lot is required.

What is the input leakage current specification for MC74AC00MEL?

The MC74AC00MEL has a maximum input leakage current (I_IN) of 1.0 µA at V_CC = 5.5 V and over the full operating temperature range (−55°C to +125°C). At 25°C, typical leakage is 0.1 µA. This low leakage preserves signal integrity in high-impedance nodes and enables reliable operation in battery-powered systems where quiescent current matters - a guaranteed parameter explicitly listed in the DC Characteristics table for MC74AC00MEL.

MC74AC00MEL Specifications

Product attributes: Attribute value

Manufacturer:: onsemi

Series:: *

Package/Case:: -

Packaging:: Bulk

Product Status:: Active

Logic Type:: -

Number of Circuits:: -

Number of Inputs:: -

Features:: -

Voltage - Supply:: -

Current - Quiescent (Max):: -

Current - Output High, Low:: -

Input Logic Level - Low:: -

Input Logic Level - High:: -

Max Propagation Delay @ V, Max CL:: -

Operating Temperature:: -

Grade:: -

Qualification:: -

Mounting Type:: -

Supplier Device Package:: -

MC74AC00MEL FAQ

1.How can I place an order for MC74AC00MEL through Aetrix?

Please submit a Request for Quotation (RFQ) for MC74AC00MEL 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 MC74AC00MEL reliable?

The price and inventory of MC74AC00MEL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MC74AC00MEL is usually 5 days.

3.What payment methods are accepted for MC74AC00MEL?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MC74AC00MEL transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for MC74AC00MEL?

MC74AC00MEL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your MC74AC00MEL 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 MC74AC00MEL?

For technical support, including MC74AC00MEL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MC74AC00MEL requirements.

6.How does Aetrix verify that MC74AC00MEL is sourced from the original manufacturer or authorized distributors?

All MC74AC00MEL 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 MC74AC00MEL meets industry standards.

7.What is the process for return or replacement of MC74AC00MEL?

All MC74AC00MEL units undergo pre-shipment inspection (PSI). If there is an issue with MC74AC00MEL, 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 MC74AC00MEL part is unused and in its original packaging.

Return procedure for MC74AC00MEL:

1.Submit a request within 90 days.

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

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