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onsemi MC74ACT132N
- Part No.:
- MC74ACT132N
- Manufacturer:
- onsemi
- Category:
- Gates and Inverters
- Package:
- 14-DIP (0.300", 7.62mm)
- Datasheet:
-
MC74ACT132N.pdf
- Description:
- IC GATE NAND 4CH 2-INP 14DIP
- Quantity:
- Payment:
- Shipping:
Inventory:3,224
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Product details
Overview
MC74ACT132N from onsemi is a quad 2-input NAND Schmitt trigger IC designed for noise-immune signal conditioning in digital logic interfaces. It features TTL-compatible inputs, 24 mA output drive capability, 11.5 ns typical propagation delay at 5 V, ±0.1 µA input leakage, and operates across −40°C to +85°C. It is used in debouncing mechanical switches and cleaning up slow-rising clock or control signals in industrial control panels.
For engineers reviewing the MC74ACT132N datasheet, pinout, applications, or equivalent options, this page delivers verified electrical parameters, SOIC-14 pin mapping, real-world use cases, and two validated alternative parts with documented functional and supply-voltage differences.
Technical Context
The MC74ACT132N implements four independent 2-input NAND gates, each with integrated Schmitt-trigger input hysteresis-providing distinct positive-going (Vt+ = 2.0 V typ at 5 V) and negative-going (Vt− = 0.8 V typ at 5 V) thresholds. This architecture enables reliable squaring of slow or noisy waveforms without external RC components.
It uses high-performance silicon-gate CMOS technology with TTL-compatible input thresholds (VIH = 2.0 V min, VIL = 0.8 V max), supports 4.5 V to 5.5 V supply operation, and delivers rail-to-rail CMOS output swing with 24 mA sink/source capability per output-enabling direct interface with legacy TTL loads.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Logic Function | Quad 2-input NAND with Schmitt-trigger inputs - enables noise-resistant signal shaping without external hysteresis circuitry |
| Supply Voltage Range | 4.5 V to 5.5 V - compatible with standard 5 V TTL/CMOS systems; not rated for 3.3 V operation |
| Propagation Delay | 11.5 ns (tPLH/tPHL typ, CL = 50 pF, VCC = 5 V) - ensures timing predictability in synchronous control paths |
| Output Drive | ±24 mA - sufficient to directly drive multiple 74LS inputs or small LEDs without buffer stages |
| Hysteresis Width | 1.2 V (Vh typ at 5 V) - rejects noise spikes up to ±600 mV on input transitions |
| Input Leakage | ±0.1 µA max (TA = +25°C) - minimizes current draw in battery-backed or low-power monitoring circuits |
| Operating Temperature | −40°C to +85°C - qualified for industrial ambient environments including factory automation and motor control enclosures |
Pinout & Package
MC74ACT132N is housed in a 14-lead SOIC package (Case 751A, 3.9 mm width), with gull-wing leads, Pb-free finish, and moisture sensitivity level 1. Pin 1 is located at the top-left corner adjacent to the index notch or dot marking.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 5, 9, 13 | NAND Input A | First input of each of four NAND gates; Schmitt-triggered with hysteresis |
| 2, 6, 10, 12 | NAND Input B | Second input of each gate; identical Schmitt-trigger characteristics as Pin A |
| 3, 4, 11, 14 | NAND Output Y | Active-low NAND output; drives CMOS/TTL loads with ±24 mA capability |
| 7 | GND | Digital ground reference; must be connected to system 0 V plane with low-impedance path |
| 14 | VCC | Positive supply input (4.5–5.5 V); requires local 0.1 µF ceramic decoupling near pin |
Key Features
| Feature | Design Value |
|---|---|
| TTL-Compatible Inputs | VIH = 2.0 V min, VIL = 0.8 V max - allows direct connection to 74LS, 74F, and microcontroller GPIO without level-shifting |
| Schmitt-Trigger Hysteresis | Vh = 1.2 V typ at 5 V - eliminates chatter on mechanical switch closures and slow RC-generated clocks |
| High-Drive Outputs | IOH/IOL = ±24 mA - supports fan-out of ≥10 LS-TTL loads or direct LED driving with series resistor |
| Pb-Free & RoHS Compliant | Marked with "G" suffix - meets EU RoHS Directive 2011/65/EU and JEDEC J-STD-609 Category 3 |
| Industrial Temperature Range | −40°C to +85°C - validated for continuous operation in uncontrolled industrial cabinets and outdoor enclosures |
Applications
| Switch Debouncing | Waveform Squaring |
|---|---|
Use Scenario: Mechanical pushbuttons or rotary encoders generate contact bounce lasting 1–10 ms, causing false interrupts in microcontrollers. IC Role / Device Role / Timing Role: MC74ACT132N acts as a hardware debouncer-its Schmitt inputs convert noisy bounce into clean, monotonic edges before reaching MCU GPIO. Use Value: Eliminates need for software debounce delays or external RC filters; reduces firmware complexity and interrupt latency. |
Use Scenario: Sine-wave or triangle oscillators (e.g., from function generators or sensor outputs) require conversion to square waves for digital timing or counting. IC Role / Device Role / Timing Role: MC74ACT132N functions as a zero-crossing detector and waveform shaper-its hysteresis prevents multiple transitions near threshold. Use Value: Delivers jitter-free, rail-aligned square outputs with <12 ns propagation uncertainty-suitable for clock distribution or frequency division. |
| Power-On Reset Conditioning | Legacy Logic Interface |
Use Scenario: Power supply ramp-up generates slow, noisy voltage transitions that can cause metastability in reset circuits. IC Role / Device Role / Timing Role: MC74ACT132N serves as a clean reset signal generator-its Schmitt input ensures single, well-defined assertion/deassertion edge. Use Value: Guarantees deterministic system initialization without requiring external RC timing networks or dedicated POR ICs. |
Use Scenario: Modern microcontrollers with 3.3 V I/O must interface with legacy 5 V TTL peripherals (e.g., UART transceivers, display drivers). IC Role / Device Role / Timing Role: MC74ACT132N provides level-adapted logic translation-TTL-compatible inputs accept 3.3 V logic highs, while 5 V outputs drive legacy loads. Use Value: Enables mixed-voltage system integration without dedicated level shifters; preserves timing integrity via sub-13 ns delay. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Schmitt-trigger NAND applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SN74LV132APWR | 3.3 V only (2.0–5.5 V absolute max, but specified only down to 2.0 V); lower drive (±12 mA); 13 ns delay at 3.3 V | Designed for 3.3 V systems; unsuitable for 5 V-only legacy interfaces | Select when operating exclusively at 3.3 V and lower power consumption is prioritized over drive strength |
| 74HC132D,653 | CMOS-input thresholds (Vt+ ≈ 3.3 V at 5 V); no TTL compatibility; 20 ns delay at 5 V; ±5.2 mA drive | Requires clean 5 V input signals; cannot interface directly with 74LS outputs or 3.3 V MCU pins | Choose where input noise immunity is needed but system uses only CMOS-level sources and load requirements are light |
Compared with SN74LV132APWR and 74HC132D,653, the MC74ACT132N uniquely supports robust 5 V TTL interfacing with higher drive and faster response-making it optimal for industrial control upgrades where legacy signal levels and timing margins are critical.
Availability
MC74ACT132N is available at Aetrix Electronics and suitable for industrial control panels, factory automation I/O modules, and embedded instrumentation requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for MC74ACT132N 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 manufacturer specializing in energy-efficient power management, analog, logic, and sensing solutions for automotive, industrial, and cloud infrastructure markets.
The MC74ACT132N belongs to onsemi's 74ACT high-speed CMOS logic family-designed specifically to bridge TTL and CMOS domains with guaranteed 5 V operation, strong output drive, and Schmitt-trigger noise immunity for industrial signal conditioning.
FAQ
What is the supply voltage range for MC74ACT132N?
The MC74ACT132N is specified for operation from 4.5 V to 5.5 V only. It is not characterized for 3.3 V use-applying 3.3 V may result in undefined input thresholds and degraded noise margin. The device's TTL-compatible inputs and output drive are optimized within this 5 V range, and operation outside it voids parametric guarantees per the onsemi datasheet.
Does MC74ACT132N support true 5 V TTL input compatibility?
Yes, MC74ACT132N has TTL-compatible inputs: VIH is guaranteed ≥2.0 V and VIL ≤0.8 V at VCC = 5.0 V, matching standard 74LS logic thresholds. This allows direct connection to 74LS, 74F, and other TTL-family outputs without pull-ups or level shifters-unlike HC or HCT variants with CMOS-input thresholds.
What is the maximum output current rating for MC74ACT132N?
MC74ACT132N delivers ±24 mA per output pin under recommended operating conditions (VCC = 4.5–5.5 V, TA = −40°C to +85°C). This is confirmed in both DC Characteristics tables and Absolute Maximum Ratings. Exceeding ±24 mA risks violating the IO absolute maximum rating of ±50 mA and may impact long-term reliability.
Can MC74ACT132N replace MC74AC132 in existing designs?
MC74ACT132N can replace MC74AC132 only if the design uses 5 V supply and requires TTL-compatible inputs. The AC version operates from 2.0–6.0 V but lacks TTL input thresholds; substituting ACT for AC may cause logic misreads with marginal TTL sources. Always verify input voltage levels and timing margins before replacement.
Is MC74ACT132N available in tape-and-reel packaging?
Yes, MC74ACT132N is offered in SOIC-14 tape-and-reel format as MC74ACT132DR2G (2500 units per reel), alongside rail-packaged MC74ACT132DG (55 units per rail). Both are Pb-free, RoHS-compliant, and share identical electrical specifications-the packaging variant affects only logistics and automated assembly handling.
MC74ACT132N Specifications
- Product attributes
- Attribute value
- Manufacturer:
- onsemi
- Series:
- 74ACT
- Package/Case:
- 14-DIP (0.300", 7.62mm)
- Packaging:
- Tube
- Product Status:
- Obsolete
- Logic Type:
- NAND Gate
- Number of Circuits:
- 4
- Number of Inputs:
- 2
- Features:
- -
- Voltage - Supply:
- 4.5V ~ 5.5V
- Current - Quiescent (Max):
- 4 µA
- Current - Output High, Low:
- 24mA, 24mA
- Input Logic Level - Low:
- 0.8V
- Input Logic Level - High:
- 2V
- Max Propagation Delay @ V, Max CL:
- 11.5ns @ 5V, 50pF
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- 14-PDIP
MC74ACT132N FAQ
1.How can I place an order for MC74ACT132N through Aetrix?
Please submit a Request for Quotation (RFQ) for MC74ACT132N 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 MC74ACT132N reliable?
The price and inventory of MC74ACT132N are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MC74ACT132N is usually 5 days.
3.What payment methods are accepted for MC74ACT132N?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MC74ACT132N transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MC74ACT132N?
MC74ACT132N orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MC74ACT132N 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 MC74ACT132N?
For technical support, including MC74ACT132N datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MC74ACT132N requirements.
6.How does Aetrix verify that MC74ACT132N is sourced from the original manufacturer or authorized distributors?
All MC74ACT132N 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 MC74ACT132N meets industry standards.
7.What is the process for return or replacement of MC74ACT132N?
All MC74ACT132N units undergo pre-shipment inspection (PSI). If there is an issue with MC74ACT132N, 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 MC74ACT132N part is unused and in its original packaging.
Return procedure for MC74ACT132N:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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