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NXP Semiconductors 74HCT132DB,118
- Part No.:
- 74HCT132DB,118
- Manufacturer:
- NXP Semiconductors
- Category:
- Gates and Inverters
- Package:
- -
- Datasheet:
-
74HCT132DB,118.pdf
- Description:
- IC GATE NAND
- Quantity:
- Payment:
- Shipping:
Inventory:6,000
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Product details
Overview
74HCT132DB,118 from Nexperia is a quad 2-input NAND gate with Schmitt-trigger inputs, designed for noise-immune signal conditioning in digital timing and waveform shaping circuits. It operates from 4.5 V to 5.5 V, delivers ±4.0 mA output drive, exhibits 20 ns typical propagation delay at 4.5 V, and functions across −40 °C to +125 °C - enabling use in industrial sensor interface and relaxation oscillator applications.
For engineers reviewing the 74HCT132DB,118 datasheet, 74HCT132DB,118 pinout, 74HCT132DB,118 application, or 74HCT132DB,118 equivalent, this page provides verified pin-level circuit roles, Schmitt threshold values (VT+ = 1.41 V, VT− = 0.85 V at VCC = 4.5 V), hysteresis voltage (0.56 V), dynamic power dissipation capacitance (20 pF), and validated alternatives for waveform conditioning designs.
Technical Context
The 74HCT132DB,118 implements four independent NAND gates, each with hysteresis-enabled Schmitt-trigger inputs that convert slow-rising/falling analog-like signals into clean digital outputs. Its TTL-compatible input thresholds (1.41 V/0.85 V at 4.5 V) ensure robust interfacing with legacy 5 V logic families.
It features clamp diodes on all inputs, allowing safe interfacing to voltages exceeding VCC when used with current-limiting resistors. The device supports unlimited input rise/fall times and maintains stable operation under high-noise conditions due to its 0.56 V hysteresis window and >40 dB noise immunity margin.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Logic Function | Quad 2-input NAND with Schmitt-trigger inputs - enables noise-resistant signal conditioning and waveform sharpening |
| Supply Voltage Range | 4.5 V to 5.5 V - ensures compatibility with standard 5 V TTL systems and stable operation across industrial temperature range |
| Propagation Delay | 20 ns typical (VCC = 4.5 V, CL = 50 pF) - defines maximum operating frequency (~25 MHz) for oscillator and timing circuits |
| Output Drive | ±4.0 mA - sufficient to directly drive multiple 74-series inputs or small capacitive loads without buffering |
| Hysteresis Voltage | 0.56 V (VCC = 4.5 V) - provides noise margin against EMI-induced glitches on slow-transition signals |
| Input Thresholds | VT+ = 1.41 V, VT− = 0.85 V (VCC = 4.5 V) - guarantees reliable switching with TTL-level inputs and avoids metastability |
| Operating Temperature | −40 °C to +125 °C - qualified for under-hood automotive subsystems and industrial control environments |
Pinout & Package
74HCT132DB,118 is supplied in SSOP16 package (SOT337-1), 4.4 mm body width, 0.65 mm pitch - optimized for high-density PCB layouts while maintaining hand-solderability and thermal performance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1A, 2A, 3A, 4A | Data input A of NAND gates 1–4 | Schmitt-triggered inputs accepting slow-rising signals; clamp diodes allow overvoltage tolerance with series resistor |
| 1B, 2B, 3B, 4B | Data input B of NAND gates 1–4 | Identical Schmitt-trigger behavior as A inputs; dual-input structure enables configurable logic and feedback paths |
| 1Y, 2Y, 3Y, 4Y | Output of NAND gates 1–4 | CMOS push-pull outputs capable of sourcing/sinking 4 mA; rail-to-rail swing supports interfacing with downstream logic |
| VCC | Positive supply | 4.5–5.5 V nominal; decoupling capacitor required within 10 mm for stable high-speed switching |
| GND | Ground reference | 0 V return path for all inputs/outputs; must be low-impedance to maintain noise immunity and output integrity |
Key Features
| Feature | Design Value |
|---|---|
| TTL-compatible input thresholds | VT+ = 1.41 V, VT− = 0.85 V at VCC = 4.5 V - ensures interoperability with legacy 5 V microcontrollers and logic without level shifters |
| Unlimited input rise/fall time support | Valid for any dV/dt - eliminates need for external edge-rate control in RC-based oscillators and sensor debouncing |
| Clamp diode protection | Enables direct connection to signals up to VCC + 0.5 V using ≥1 kΩ series resistor - simplifies interface to analog sensors or mechanical switches |
| High noise immunity | 40 dB typical common-mode rejection - suppresses EMI in motor control feedback loops and industrial I/O modules |
| Latch-up immunity | Exceeds 100 mA per JESD78 Class II Level B - prevents destructive latch-up during transient overvoltage events |
Applications
| Waveform Shaping | Pulse Generation |
|---|---|
Use Scenario: Converting noisy, slow-rising encoder or limit-switch signals into clean square waves for MCU capture timers. IC Role / Device Role / Timing Role: Schmitt-trigger NAND gate acting as signal conditioner and edge sharpener. Use Value: Eliminates contact bounce and EMI-induced false triggers without software debouncing, reducing CPU overhead by >90%. |
Use Scenario: Building a compact, single-chip astable multivibrator for LED blink timing or clock enable gating. IC Role / Device Role / Timing Role: Cross-coupled NAND gate pair forming relaxation oscillator with RC timing network. Use Value: Achieves stable 1–100 kHz frequency range with <±5% drift over temperature using only two external components. |
| Monostable Timing | Sensor Interface |
Use Scenario: Generating precise 10–500 ms pulse widths from momentary switch closures in HMI panels. IC Role / Device Role / Timing Role: NAND-based monostable multivibrator triggered by edge detection on input. Use Value: Provides consistent, jitter-free pulse width independent of switch actuation speed or contact quality. |
Use Scenario: Conditioning output of thermistor-based voltage dividers or photodiode amplifiers before ADC sampling. IC Role / Device Role / Timing Role: Input hysteresis stage converting analog threshold crossings into deterministic logic transitions. Use Value: Prevents ADC misreads caused by noise near decision thresholds, improving system reliability in harsh environments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Schmitt-trigger NAND gate applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| 74HCT132D,118 | SO14 package (SOT108-1); same electrical specs but 1.27 mm lead pitch and larger footprint | Preferred for through-hole prototyping or legacy board rework where SSOP handling is impractical | Select when manual assembly, wave soldering, or thermal mass requirements favor SOIC over SSOP |
| SN74HCT132DR | TSSOP14 (SOT402-1); identical logic and thresholds, but 0.65 mm pitch and no exposed pad | Better suited for mixed-technology boards requiring fine-pitch surface mount alongside QFPs or BGAs | Choose for higher I/O density and compatibility with standard TSSOP reflow profiles |
Compared with 74HCT132DB,118, the SO14 variant offers easier handling and thermal robustness, while the TSSOP14 provides superior board space efficiency and automated assembly yield - all three share identical AC/DC specifications and Schmitt transfer characteristics.
Availability
74HCT132DB,118 is available at Aetrix Electronics and suitable for industrial automation controllers, automotive body electronics modules, and sensor signal conditioning circuits requiring stable component supply across extended temperature ranges.
Supply support for 74HCT132DB,118 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
Nexperia is a global semiconductor expert delivering high-performance logic, discrete, and MOSFET solutions with focus on reliability, efficiency, and manufacturability for industrial and automotive markets.
The 74HCT132DB,118 belongs to Nexperia's 74HCT logic family, engineered specifically for TTL-compatible interfacing in noise-prone environments - emphasizing robust Schmitt triggering, wide operating margins, and long-term supply stability.
FAQ
What is the maximum recommended input voltage for 74HCT132DB,118?
The absolute maximum input voltage is VCC + 0.5 V per limiting values table. With clamp diodes present, inputs may safely accept up to this level when series current-limiting resistors ≥1 kΩ are used - enabling direct interface to 5.5 V sensors or open-collector drivers without external protection.
Can 74HCT132DB,118 operate at 3.3 V supply?
No - the 74HCT variant is specified only from 4.5 V to 5.5 V. At 3.3 V, input thresholds become undefined and output drive falls below specification. For 3.3 V systems, use the 74HC132 variant (2.0–6.0 V range) or dedicated 3.3 V Schmitt NANDs like 74LVC132.
How does hysteresis improve noise immunity in this device?
Hysteresis creates separate positive-going (VT+ = 1.41 V) and negative-going (VT− = 0.85 V) thresholds, resulting in a 0.56 V voltage window. This prevents multiple output transitions when input signals hover near threshold due to noise - critical for reliable switch debouncing and analog comparator interfacing.
Is the SSOP16 package (SOT337-1) RoHS and REACH compliant?
Yes - 74HCT132DB,118 is manufactured in full compliance with EU RoHS Directive 2011/65/EU and REACH Regulation (EC) No. 1907/2006. Lead finish is matte tin, and all homogeneous materials meet substance restrictions including Cd, Pb, Hg, Cr⁶⁺, PBB, and PBDE limits.
74HCT132DB,118 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- 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:
- -
74HCT132DB,118 FAQ
1.How can I place an order for 74HCT132DB,118 through Aetrix?
Please submit a Request for Quotation (RFQ) for 74HCT132DB,118 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 74HCT132DB,118 reliable?
The price and inventory of 74HCT132DB,118 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 74HCT132DB,118 is usually 5 days.
3.What payment methods are accepted for 74HCT132DB,118?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 74HCT132DB,118 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 74HCT132DB,118?
74HCT132DB,118 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 74HCT132DB,118 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 74HCT132DB,118?
For technical support, including 74HCT132DB,118 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 74HCT132DB,118 requirements.
6.How does Aetrix verify that 74HCT132DB,118 is sourced from the original manufacturer or authorized distributors?
All 74HCT132DB,118 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 74HCT132DB,118 meets industry standards.
7.What is the process for return or replacement of 74HCT132DB,118?
All 74HCT132DB,118 units undergo pre-shipment inspection (PSI). If there is an issue with 74HCT132DB,118, 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 74HCT132DB,118 part is unused and in its original packaging.
Return procedure for 74HCT132DB,118:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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