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Name: SN74HC132DBR
Brand: Texas Instruments
SKU: SN74HC132DBR
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 SN74HC132DBR

Part No.:: SN74HC132DBR

Manufacturer:: Texas Instruments

Package:: 14-SSOP

Datasheet:: SN74HC132DBR.pdf

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

In Stock:: 397543

Quantity:: Add To Cart

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SN74HC132DBR Specifications

Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®,Bulk
Series:
74HC
ProductStatus:
Active
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

SN74HC132DBR this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including SN74HC132DBR 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 SN74HC132DBR 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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SN74HC132DBR information

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SN74HC132DBR Typical application Circuitry

SN74HC132DBR

The SN74HC132DBR is a quad 2-input NAND gate with Schmitt-trigger inputs, designed to provide stable performance in digital circuits. The Schmitt-trigger inputs offer hysteresis, making the gate less sensitive to small variations in the input signals, ideal for filtering noise and creating stable, clean output signals in environments with electrical noise.

Core Functionality

The SN74HC132DBR includes four independent 2-input NAND gates, each with Schmitt-trigger action on the inputs. This configuration is particularly beneficial for converting noisy or uncertain input signals into well-defined, stable output signals, essential in digital circuits that rely on precise timing and signal clarity.

Application Scenarios

The SN74HC132DBR is commonly used in situations that require noise immunity, such as debouncing mechanical switches, forming stable oscillatory circuits, or 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 noise immunity and ensures clean switching.

Circuit Integration: Debouncing a Mechanical Switch

In this scenario, the SN74HC132DBR is utilized to debounce a mechanical switch, ensuring that the microcontroller or digital logic circuit receives a clean, noise-free signal.

1. Stable Power Supply Connection

- Vcc (Pin 14): Connect this pin to a regulated +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. If fewer than four switches are used, ensure unused inputs are tied to a known state (Vcc or Ground).

- Input B (Pins 2, 6, 10, 13): Connect 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 of the device that will read the switch state (like a microcontroller or other logic gates).

Design Considerations

When designing circuits with the SN74HC132DBR, several key factors should be taken into account:

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

2. Input Signal Conditioning: While the Schmitt-trigger action provides noise immunity, extremely noisy environments might require additional filtering before the signal reaches the gate.

3. Output Load Handling: 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 SN74HC132DBR is a robust component in digital systems where signal integrity is crucial. Its implementation in debouncing a mechanical switch highlights its capability to provide clean, stable transitions from noisy inputs. Focusing on power supply quality, input signal conditioning, and proper output load management is crucial in leveraging the full potential of the SN74HC132DBR, making it a versatile and dependable choice in digital circuit design. Whether it's for debouncing, signal conditioning, or wave shaping, the SN74HC132DBR proves to be an indispensable component in achieving clean and stable digital logic operations.

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