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onsemi MC74HC132AFR2
- Part No.:
- MC74HC132AFR2
- Manufacturer:
- onsemi
- Category:
- Gates and Inverters
- Package:
- 14-SOIC (0.209", 5.30mm Width)
- Datasheet:
-
MC74HC132AFR2.pdf
- Description:
- IC GATE NAND 4CH 2-INP 14SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:6,000
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Product details
Overview
MC74HC132AFR2 from onsemi is a quad 2-input NAND gate with Schmitt-trigger inputs, designed for noise-immune signal conditioning in digital logic interfaces. It operates across 2.0–6.0 V, delivers ±25 mA output drive, exhibits hysteresis of 0.2–3.0 V (VCC-dependent), and is packaged in Pb-free SOIC-14. It squares slow-rising waveforms in clock recovery and debounces mechanical switch inputs.
For engineers reviewing the MC74HC132AFR2 datasheet, pinout, applications, or equivalent options, key selection criteria include input hysteresis voltage range, propagation delay (21–190 ns), supply current (≤40 µA at 125°C), and compatibility with LSTTL/CMOS logic families.
Technical Context
The MC74HC132AFR2 implements four independent Schmitt-trigger NAND gates using high-performance silicon-gate CMOS technology. Each gate features asymmetric input thresholds (VT+min = 0.95 V, VT−max = 2.65 V @ VCC = 6.0 V) enabling robust noise rejection and waveform shaping.
It is electrically identical to LS132 in pinout and supports direct interfacing with CMOS, NMOS, and TTL loads without level-shifting. Input rise/fall time has no functional limit, and unused inputs must be tied high or low per JEDEC 7A compliance.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Logic Function | Quad 2-input NAND with Schmitt-trigger inputs - enables noise immunity and signal squaring |
| Supply Voltage Range | 2.0 V to 6.0 V - supports mixed-voltage system interfacing and battery-powered operation |
| Hysteresis Voltage (VH) | 0.2–3.0 V (min–max, VCC-dependent) - defines noise margin and transition stability |
| Propagation Delay | 21 ns max @ VCC = 6.0 V - determines maximum operating frequency in timing-critical paths |
| Output Drive | ±25 mA per pin - drives 10 LSTTL loads directly without buffer stages |
| Input Leakage Current | ≤1.0 µA @ VCC = 6.0 V - minimizes power loss in high-impedance bias networks |
| Operating Temperature | −55°C to +125°C - qualified for industrial and extended-temperature environments |
Pinout & Package
MC74HC132AFR2 is supplied in a Pb-free SOIC-14 (Case 751A) package measuring 8.75 mm × 3.90 mm × 1.75 mm, with standard 1.27 mm pitch and gull-wing leads.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 2, 4, 5, 8, 9, 11, 12 | Input A/B of NAND gates | Dual Schmitt-trigger inputs per gate - accept slow or noisy signals without chatter |
| 3, 6, 10, 13 | Output Y of NAND gates | CMOS-compatible push-pull outputs - sink/source up to 25 mA, rail-to-rail swing |
| 7 | GND | Ground reference for all logic and power domains - requires low-impedance PCB connection |
| 14 | VCC | Positive supply rail - decoupling capacitor (0.1 µF) required within 5 mm of pin |
Key Features
| Feature | Design Value |
|---|---|
| Schmitt-trigger input hysteresis | Enables reliable switching on slow or noisy edges - eliminates metastability in switch debouncing |
| JEDEC Standard No. 7A compliance | Ensures interoperability with legacy TTL and modern CMOS systems without interface logic |
| 10 LSTTL load drive capability | Reduces need for external buffers in fan-out-heavy designs - simplifies board layout |
| Low quiescent ICC (≤40 µA) | Supports ultra-low-power standby modes in battery-operated instrumentation and sensors |
| Pb-free, RoHS-compliant packaging | Meets global environmental regulations - compatible with lead-free reflow profiles (260°C peak) |
Applications
| Switch Debouncing | Waveform Squaring |
|---|---|
Use Scenario: Mechanical pushbutton or rotary encoder signals exhibit contact bounce lasting milliseconds. IC Role / Device Role / Timing Role: MC74HC132AFR2 acts as a hardware debouncer - each gate conditions one switch channel via hysteresis. Use Value: Eliminates software polling or RC+filter delays; provides deterministic, glitch-free digital transitions to microcontroller GPIO. | Use Scenario: Sine or triangle wave oscillator output feeds digital logic but lacks sharp edges. IC Role / Device Role / Timing Role: MC74HC132AFR2 converts analog-like waveforms into clean CMOS-level square waves. Use Value: Enables reliable clocking of counters or state machines without external comparators or op-amps. |
| Noise-Immune Sensor Interface | Legacy TTL-to-CMOS Translation |
Use Scenario: Resistive sensor (e.g., thermistor, photoresistor) outputs slowly varying analog voltage in EMI-prone industrial enclosures. IC Role / Device Role / Timing Role: MC74HC132AFR2 functions as a threshold detector - its Schmitt inputs reject sub-threshold noise spikes. Use Value: Provides stable high/low logic states without false triggering, reducing firmware error-handling overhead. | Use Scenario: Integrating vintage LSTTL logic (e.g., 74LSxx) with modern low-voltage CMOS controllers. IC Role / Device Role / Timing Role: MC74HC132AFR2 serves as bidirectional level translator - accepts LSTTL VOH/VOL and drives CMOS inputs. Use Value: Avoids dedicated level-shifters; maintains full-speed operation (≤40 MHz effective) with no added latency. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar quad Schmitt-trigger NAND applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SN74HC132DR | Same logic function and pinout; TI version with slightly higher ICC (50 µA max @ 125°C) and tighter VH tolerance | Valid for industrial temp range only (−40°C to 85°C); not rated for −55°C operation | Select when sourcing from TI-authorized channels or requiring TI-specific qualification documentation |
| 74HC132D,653 | NXP variant; identical AC/DC specs but different moisture sensitivity level (MSL3 vs MSL1) and tape/reel packaging | Requires modified reflow profile due to MSL3 classification; same electrical performance in final design | Choose for NXP supply chain alignment or where MSL3 handling infrastructure is already in place |
Compared with SN74HC132DR and 74HC132D,653, the MC74HC132AFR2 offers broader temperature support (−55°C to 125°C), superior MSL1 reliability for automated assembly, and onsemi's automotive-grade process control - making it preferred for harsh-environment industrial and transportation systems.
Availability
MC74HC132AFR2 is available at Aetrix Electronics and suitable for industrial control panels, automotive body electronics, and test equipment requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for MC74HC132AFR2 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, sensor, and logic solutions for automotive, industrial, cloud, and medical markets.
The MC74HC132AFR2 belongs to the HC logic family - engineered for high-noise-immunity digital interfacing in cost-sensitive, high-reliability applications where robust signal conditioning is essential.
FAQ
What is the maximum operating temperature for the MC74HC132AFR2?
The MC74HC132AFR2 is rated for operation from −55°C to +125°C across all package variants. This extended temperature range is verified per the manufacturer's Recommended Operating Conditions table and supports deployment in under-hood automotive modules, industrial PLCs, and outdoor instrumentation where thermal stress is significant. The device maintains full DC and AC specifications throughout this range.
Does the MC74HC132AFR2 require external pull-up resistors on its inputs?
No, the MC74HC132AFR2 does not require external pull-up resistors for normal CMOS-compatible operation. Its inputs are compatible with standard CMOS outputs directly. However, when interfacing with LSTTL outputs, pull-up resistors are necessary to ensure valid high-level input voltage - typically 10 kΩ to VCC - as specified in the device's application guidance.
Can unused inputs on the MC74HC132AFR2 be left floating?
No, unused inputs on the MC74HC132AFR2 must never be left floating. Per the datasheet (Note 6), all inputs must be tied either to VCC or GND to prevent undefined logic states, increased power consumption, and potential latch-up. Floating Schmitt-trigger inputs may oscillate or draw excessive current due to intermediate voltage levels.
What is the typical hysteresis voltage of the MC74HC132AFR2 at 5.0 V supply?
At VCC = 5.0 V, the typical hysteresis voltage (VH) of the MC74HC132AFR2 is approximately 1.35 V, calculated as VT+typ − VT−typ (3.0 V − 1.65 V). This value is derived from Figure 5 in the datasheet and ensures strong noise immunity for signals with amplitude variations up to ±675 mV around the switching threshold.
Is the MC74HC132AFR2 pin-compatible with the older 74LS132?
Yes, the MC74HC132AFR2 is explicitly stated to be identical in pinout to the 74LS132. This allows direct replacement in existing LS-based designs without PCB modification. However, note that the HC version operates over a wider voltage range (2.0–6.0 V vs LS's 4.75–5.25 V) and exhibits lower power consumption and higher noise immunity - benefits that require validation in the target circuit.
MC74HC132AFR2 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- onsemi
- Series:
- 74HC
- Package/Case:
- 14-SOIC (0.209", 5.30mm Width)
- Packaging:
- Bulk
- Product Status:
- Active
- Logic Type:
- NAND Gate
- Number of Circuits:
- 4
- Number of Inputs:
- 2
- Features:
- Schmitt Trigger
- Voltage - Supply:
- 2V ~ 6V
- Current - Quiescent (Max):
- 1 µA
- Current - Output High, Low:
- 5.2mA, 5.2mA
- Input Logic Level - Low:
- 0.3V ~ 1.2V
- Input Logic Level - High:
- 1.5V ~ 4.2V
- Max Propagation Delay @ V, Max CL:
- 21ns @ 6V, 50pF
- Operating Temperature:
- -55°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 14-SOIC
MC74HC132AFR2 FAQ
1.How can I place an order for MC74HC132AFR2 through Aetrix?
Please submit a Request for Quotation (RFQ) for MC74HC132AFR2 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 MC74HC132AFR2 reliable?
The price and inventory of MC74HC132AFR2 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MC74HC132AFR2 is usually 5 days.
3.What payment methods are accepted for MC74HC132AFR2?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MC74HC132AFR2 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MC74HC132AFR2?
MC74HC132AFR2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MC74HC132AFR2 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 MC74HC132AFR2?
For technical support, including MC74HC132AFR2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MC74HC132AFR2 requirements.
6.How does Aetrix verify that MC74HC132AFR2 is sourced from the original manufacturer or authorized distributors?
All MC74HC132AFR2 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 MC74HC132AFR2 meets industry standards.
7.What is the process for return or replacement of MC74HC132AFR2?
All MC74HC132AFR2 units undergo pre-shipment inspection (PSI). If there is an issue with MC74HC132AFR2, 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 MC74HC132AFR2 part is unused and in its original packaging.
Return procedure for MC74HC132AFR2:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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