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

onsemi MC74F132D

Name: MC74F132D
Brand: onsemi
SKU: MC74F132D
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: MC74F132D

Manufacturer:: onsemi

Category:: Gates and Inverters

Package:: -

Datasheet:: MC74F132D.pdf

Description:: IC GATE NAND 2-INP

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Product details

Overview

MC74F132D from ON Semiconductor is a quad 2-input NAND gate with Schmitt-trigger inputs in SOIC-14 package, operating at 5 V supply, featuring 3.5 ns typical propagation delay, 0.8 V hysteresis, and ±1 mA/20 mA output drive capability. It transforms slow-rising/falling signals into clean TTL-compatible outputs for noise-immune digital interfacing in industrial control logic.

For engineers reviewing the MC74F132D datasheet, pinout, applications, or equivalent options, key selection criteria include Schmitt-trigger hysteresis (0.4–0.8 V), guaranteed TTL output levels (VOH ≥ 2.7 V @ IOH = –1.0 mA), input threshold asymmetry (VT+ = 1.5–2.0 V, VT– = 0.7–1.1 V), and SOIC-14 thermal performance across 0°C to +70°C ambient.

Technical Context

The MC74F132D implements four independent 2-input NAND gates, each integrating a Schmitt-trigger input stage with positive feedback, followed by a Darlington level shifter and TTL totem-pole output. Its dual-threshold input behavior enables reliable signal conditioning of noisy or slowly transitioning waveforms.

Each gate provides standard TTL output voltage levels (VOH ≥ 2.7 V, VOL ≤ 0.5 V) and supports fan-out of 10 LS-TTL loads. The device operates within 4.5–5.5 V supply range and delivers guaranteed AC performance (tPLH/tPHL ≤ 8.0 ns max) under CL = 50 pF load at TA = 0°C to +70°C.

Key Specifications

Parameter	Value and Actual Design Meaning
Logic Function	Quad 2-input NAND with Schmitt-trigger inputs - enables noise rejection and waveform sharpening for marginal digital signals.
Supply Voltage	4.5–5.5 V - compatible with standard 5 V TTL systems without regulation overhead.
Hysteresis (VT+–VT–)	0.4–0.8 V - ensures robust immunity to input noise and prevents multiple transitions on slow edges.
Propagation Delay	3.5–8.0 ns (max) - supports high-speed timing-critical logic in fast TTL designs.
Output Drive	–1.0 mA (high), 20 mA (low) - drives 10 LS-TTL loads directly without buffering.
Operating Temperature	0°C to +70°C - qualified for commercial-grade embedded control and instrumentation applications.

Pinout & Package

MC74F132D is housed in a 14-pin SOIC package (Case 751A-02), 3.9 mm wide, with standard JEDEC SOIC footprint and 1.27 mm pitch.

Pin/Terminal	Circuit Role	Design Meaning
1, 5, 9, 13	Input A	First input of each NAND gate; Schmitt-triggered for noise margin and edge sharpening.
2, 6, 10, 14	Input B	Second input of each NAND gate; identical Schmitt-trigger characteristics as Pin A.
3, 4, 8, 12	Output Y	TTL-compatible totem-pole output; sinks up to 20 mA, sources –1.0 mA.
7	GND	Ground reference for all internal circuitry and output stages.
14	VCC	Positive supply terminal (4.5–5.5 V); powers all four gates and output drivers.

Key Features

Feature	Design Value
Schmitt-trigger input hysteresis	0.4–0.8 V - eliminates chatter on slow or noisy inputs without external RC networks.
TTL-compatible output levels	VOH ≥ 2.7 V (IOH = –1.0 mA), VOL ≤ 0.5 V (IOL = 20 mA) - ensures interoperability with legacy TTL and LS-TTL logic families.
Fast propagation delay	3.5 ns typical (A/B to Y) - supports >100 MHz toggle rates in critical path logic.
Guaranteed operation over temperature	0°C to +70°C ambient - validated for stable performance in uncontrolled commercial environments.

Applications

Industrial Sensor Interface	Power Supply Sequencing Logic
Use Scenario: Conditioning slow-rising signals from mechanical limit switches or thermistor-based comparators in factory automation panels. IC Role / Device Role / Timing Role: Signal debouncing and edge sharpening via Schmitt-trigger NAND gates before feeding into microcontroller GPIO or FPGA input registers. Use Value: Eliminates need for external RC filters or software debouncing, reducing BOM count and firmware complexity while ensuring deterministic timing.	Use Scenario: Generating synchronized enable/disable strobes for multi-rail DC-DC converters during cold-start or fault recovery sequences. IC Role / Device Role / Timing Role: NAND-based combinational logic generating precise power-up sequencing delays and interlock conditions using RC-timed inputs. Use Value: Provides jitter-free, temperature-stable logic thresholds (VT+ = 1.5–2.0 V, VT– = 0.7–1.1 V) critical for repeatable power rail activation order.
Digital Audio Clock Recovery	Legacy Bus Glue Logic
Use Scenario: Cleaning up jittery clock signals recovered from analog audio interfaces (e.g., S/PDIF receiver outputs) before distribution to DACs or sample-rate converters. IC Role / Device Role / Timing Role: Schmitt-trigger NAND used as waveform regenerator and level translator between non-TTL clock sources and 5 V digital audio subsystems. Use Value: Hysteresis (0.4–0.8 V) suppresses sub-cycle noise without adding propagation delay skew across channels.	Use Scenario: Interfacing mismatched logic families (e.g., CMOS microcontroller outputs to 74LS TTL bus transceivers) in retro-computing or industrial PLC backplanes. IC Role / Device Role / Timing Role: Level-shifting and noise-immune signal conditioning gate in address/data bus arbitration logic. Use Value: Guaranteed VOH ≥ 2.7 V and IIL = –0.6 mA ensure reliable recognition of low states from high-impedance CMOS drivers.

Industrial Sensor Interface

Power Supply Sequencing Logic

Use Scenario: Conditioning slow-rising signals from mechanical limit switches or thermistor-based comparators in factory automation panels.

IC Role / Device Role / Timing Role: Signal debouncing and edge sharpening via Schmitt-trigger NAND gates before feeding into microcontroller GPIO or FPGA input registers.

Use Value: Eliminates need for external RC filters or software debouncing, reducing BOM count and firmware complexity while ensuring deterministic timing.

Use Scenario: Generating synchronized enable/disable strobes for multi-rail DC-DC converters during cold-start or fault recovery sequences.

IC Role / Device Role / Timing Role: NAND-based combinational logic generating precise power-up sequencing delays and interlock conditions using RC-timed inputs.

Use Value: Provides jitter-free, temperature-stable logic thresholds (VT+ = 1.5–2.0 V, VT– = 0.7–1.1 V) critical for repeatable power rail activation order.

Digital Audio Clock Recovery

Legacy Bus Glue Logic

Use Scenario: Cleaning up jittery clock signals recovered from analog audio interfaces (e.g., S/PDIF receiver outputs) before distribution to DACs or sample-rate converters.

IC Role / Device Role / Timing Role: Schmitt-trigger NAND used as waveform regenerator and level translator between non-TTL clock sources and 5 V digital audio subsystems.

Use Value: Hysteresis (0.4–0.8 V) suppresses sub-cycle noise without adding propagation delay skew across channels.

Use Scenario: Interfacing mismatched logic families (e.g., CMOS microcontroller outputs to 74LS TTL bus transceivers) in retro-computing or industrial PLC backplanes.

IC Role / Device Role / Timing Role: Level-shifting and noise-immune signal conditioning gate in address/data bus arbitration logic.

Use Value: Guaranteed VOH ≥ 2.7 V and IIL = –0.6 mA ensure reliable recognition of low states from high-impedance CMOS drivers.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
SN74F132DR	Same logic function, SOIC-14, but TI-specified VOH min = 2.5 V @ IOH = –1.0 mA (vs. 2.7 V for MC74F132D); slightly higher ICCCL (14.5 mA max).	Lower noise margin in high-fanout TTL systems due to reduced VOH guarantee; otherwise interchangeable in most commercial designs.	Select SN74F132DR only when TI supply chain alignment is required; verify VOH margin against downstream LS-TTL VIH (2.0 V min).
74HC132DT	CMOS-based (2–6 V supply), lower ICC (< 2 µA), but VOH/VOL dependent on VCC and load; no guaranteed TTL output levels.	Not TTL-compatible at 5 V without pull-ups; unsuitable for direct LS-TTL loading or legacy system integration.	Choose 74HC132DT only for low-power, mixed-voltage designs where strict TTL interoperability is not required.

Compared with SN74F132DR and 74HC132DT, the MC74F132D delivers superior TTL output drive assurance (VOH ≥ 2.7 V) and tighter hysteresis control (0.4–0.8 V), making it preferred for noise-prone industrial interfaces requiring guaranteed legacy compatibility and deterministic edge regeneration.

Availability

MC74F132D is available at Aetrix Electronics and suitable for industrial sensor interface, power supply sequencing logic, digital audio clock recovery, and legacy bus glue logic requiring stable component supply and long-term commercial-grade availability.

Supply support for MC74F132D 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

ON Semiconductor is a global semiconductor manufacturer specializing in energy-efficient power management, analog, logic, and sensor solutions for automotive, industrial, and cloud infrastructure markets.

The MC74F132D belongs to the FAST Schottky TTL logic family, designed specifically for high-speed, noise-immune digital interfacing in commercial-grade systems where legacy TTL compatibility and deterministic signal conditioning are essential.

FAQ

What is the guaranteed hysteresis range for MC74F132D?

The MC74F132D guarantees a hysteresis (VT+ – VT–) of 0.4 V minimum to 0.8 V maximum at VCC = 5.0 V. This specification ensures consistent noise rejection across its full operating temperature range (0°C to +70°C) and supply variation (4.5–5.5 V), directly enabling reliable edge detection in noisy industrial environments without external components.

Does MC74F132D meet standard TTL output voltage requirements?

Yes, the MC74F132D meets standard TTL output specifications: VOH ≥ 2.7 V at IOH = –1.0 mA and VCC = 4.75 V, and VOL ≤ 0.5 V at IOL = 20 mA and VCC = 4.5 V. These values are fully compliant with 74LS-TTL input thresholds and allow direct driving of up to 10 LS-TTL loads without level-shifting circuitry.

What is the maximum propagation delay of MC74F132D under worst-case conditions?

The MC74F132D has a maximum propagation delay (tPLH/tPHL) of 8.0 ns at TA = 0°C to +70°C, VCC = 5.0 V ±10%, and CL = 50 pF. This value is specified across the full commercial temperature range and ensures timing predictability in high-speed control logic where setup/hold margins are constrained.

Can MC74F132D operate reliably at 4.5 V supply?

Yes, the MC74F132D is fully characterized down to 4.5 V supply voltage. All DC and AC parameters-including VOH (≥2.5 V), VOL (≤0.5 V), VT+ (1.5–2.0 V), and tPLH/tPHL (≤8.0 ns)-are guaranteed across 4.5–5.5 V, enabling robust operation in systems with marginal 5 V rails or aging power supplies.

Is MC74F132D pin-compatible with other 74F132 variants like MC54F132J or MC74F132N?

Yes, the MC74F132D shares identical pinout and logic functionality with MC54F132J (ceramic) and MC74F132N (plastic DIP), as all belong to the same 14-pin dual-in-line/SOIC footprint family. Differences are limited to package type (SOIC vs. ceramic vs. plastic DIP) and temperature grading (commercial vs. military), not pin assignment or electrical behavior.

MC74F132D Specifications

Product attributes: Attribute value

Manufacturer:: onsemi

Series:: *

Package/Case:: -

Packaging:: Bulk

Product Status:: Active

Logic Type:: -

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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:: -

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MC74F132D FAQ

1.How can I place an order for MC74F132D through Aetrix?

Please submit a Request for Quotation (RFQ) for MC74F132D 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 MC74F132D reliable?

The price and inventory of MC74F132D are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MC74F132D is usually 5 days.

3.What payment methods are accepted for MC74F132D?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MC74F132D transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for MC74F132D?

MC74F132D orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your MC74F132D 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 MC74F132D?

For technical support, including MC74F132D datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MC74F132D requirements.

6.How does Aetrix verify that MC74F132D is sourced from the original manufacturer or authorized distributors?

All MC74F132D 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 MC74F132D meets industry standards.

7.What is the process for return or replacement of MC74F132D?

All MC74F132D units undergo pre-shipment inspection (PSI). If there is an issue with MC74F132D, 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 MC74F132D part is unused and in its original packaging.

Return procedure for MC74F132D:

1.Submit a request within 90 days.

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

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