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Name: SN74HC132DRE4
Brand: Texas Instruments
SKU: SN74HC132DRE4
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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Texas Instruments SN74HC132DRE4

Part No.:: SN74HC132DRE4

Manufacturer:: Texas Instruments

Package:: 14-SOIC

Datasheet:: SN74HC132DRE4.pdf

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

In Stock:: 2120

Quantity:: Add To Cart

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SN74HC132DRE4 Specifications

Packaging:
Tape & Reel (TR)
Series:
74HC
ProductStatus:
Obsolete
LogicType:
NAND Gate
NumberofCircuits:
4
NumberofInputs:
2
Features:
Schmitt Trigger
Voltage-Supply:
2V ~ 6V
Current-Quiescent(Max):
2 µA
Current-OutputHighLow:
5.2mA, 5.2mA
LogicLevel-Low:
0.3V ~ 1.2V
LogicLevel-High:
1.5V ~ 4.2V
MaxPropagationDelay@VMaxCL:
21ns @ 6V, 50pF
OperatingTemperature:
-40°C ~ 85°C
MountingType:
Surface Mount

SN74HC132DRE4 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including SN74HC132DRE4 price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for SN74HC132DRE4 to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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SN74HC132DRE4 information

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SN74HC132DRE4 Typical application Circuitry

SN74HC132DRE4

The SN74HC132DRE4 is a quad 2-input NAND gate with Schmitt-trigger inputs. This chip is designed to handle input signals that may be noisy or have slow rise and fall times, making it ideal for generating clean and stable output signals in digital circuits. The Schmitt-trigger inputs provide hysteresis, which makes the gate less sensitive to small variations in input signals, providing a more stable output.

Core Functionality

The SN74HC132DRE4 comprises four independent 2-input NAND gates with Schmitt-trigger action on each input. This feature ensures that the output transitions cleanly, even if the input signal is noisy or has slow edges, which is crucial in digital circuits that require precise timing and signal clarity.

Application Scenarios

The SN74HC132DRE4 is commonly used in digital systems that require noise immunity. Typical applications include debouncing mechanical switch inputs, generating stable clock pulses, and cleaning up noisy digital signals.

Characteristic Parameters

- Supply Voltage (Vcc): Typically operates between 2V and 6V.

- Input High Voltage (VIH): Generally above 2V for a logical '1'.

- Input Low Voltage (VIL): Normally below 0.8V for a logical '0'.

- Output Current (IO): Capable of sourcing or sinking up to 6 mA.

- Hysteresis Voltage (Vh): Provides a threshold range for noise immunity and stable switching.

Circuit Integration: Debouncing Mechanical Switches

In this application, the SN74HC132DRE4 is used to debounce mechanical switches, ensuring that the microcontroller or digital logic circuits receive a clean, bounce-free signal.

1. Ensuring a Stable Power Supply

- Vcc (Pin 14): Connect this pin to a +5V power source.

- Ground (Pin 7): This pin should be connected to the system ground.

2. Switch Input Configuration

- Input A (Pins 1, 5, 9, 12): Wire these pins to one terminal of the mechanical switches. Ensure unused inputs are tied to a known state (Vcc or Ground) if fewer than four switches are used.

- Input B (Pins 2, 6, 10, 13): Tie these pins to Vcc to configure the gates as inverters with Schmitt-trigger action.

3. Output Connection

- Output Y (Pins 3, 4, 8, 11): Connect these pins to the input pins of the subsequent device (such as a microcontroller) that will process the switch state.

Design Considerations

When designing circuits with the SN74HC132DRE4, it's crucial to consider the following:

1. Power Supply Quality: Ensure a stable power supply to prevent malfunctioning of the gates.

2. Input Signal Quality: While the Schmitt-trigger inputs provide noise immunity, extremely noisy environments might still require additional filtering.

3. Output Load Management: Consider the current sourcing/sinking capability when connecting outputs to other devices.

4. Temperature and Environmental Factors: Be mindful of environmental factors that could affect the performance, especially if the circuit is used in conditions where temperature extremes or high levels of electromagnetic interference are present.

In summary, the SN74HC132DRE4 is a vital component in digital systems where signal integrity is critical. Its implementation in debouncing mechanical switches exemplifies its ability to transform noisy, unstable inputs into clean, stable outputs. A thorough approach to power supply quality, input signal conditioning, and output load management is crucial for leveraging the full potential of the SN74HC132DRE4, making it a robust and versatile choice in digital circuit design. Whether it's for debouncing, signal conditioning, or wave shaping, the SN74HC132DRE4 proves to be an indispensable tool in achieving precise and stable digital logic operations.

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(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

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