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Name: 74HC14D
Brand: Toshiba Semiconductor and Storage
SKU: 74HC14D
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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Toshiba Semiconductor and Storage 74HC14D

Part No.:: 74HC14D

Manufacturer:: Toshiba Semiconductor and Storage

Package:: 14-SOIC

Datasheet:: 74HC14D.pdf

Description:: IC INV SCHMITT 6CH 1-IN 14SOIC

In Stock:: 21707

Quantity:: Add To Cart

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74HC14D Specifications

Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
74HC
ProductStatus:
Active
LogicType:
Inverter
NumberofCircuits:
6
NumberofInputs:
1
Features:
Schmitt Trigger
Voltage-Supply:
2V ~ 6V
Current-Quiescent(Max):
1 µA
Current-OutputHighLow:
5.2mA, 5.2mA
LogicLevel-Low:
0.3V ~ 1.5V
LogicLevel-High:
1.5V ~ 4.2V
MaxPropagationDelay@VMaxCL:
21ns @ 6V, 50pF
OperatingTemperature:
-40°C ~ 125°C
MountingType:
Surface Mount

74HC14D this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including 74HC14D 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 74HC14D 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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74HC14D information

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74HC14D Typical application Circuitry

74HC14D

The 74HC14D is a well-regarded semiconductor device known for its proficiency in digital circuits. Its primary function is as a hex inverting Schmitt trigger, offering six individual Schmitt trigger input inverters in a single package.

Functional Overview of the 74HC14D:

- Hex Inverting Schmitt Trigger: The 74HC14D is engineered with six inverting Schmitt triggers. It means it can receive six independent input signals, invert them and then give out the corresponding outputs.

- Hysteresis: A unique feature of Schmitt triggers is their hysteresis characteristic, which means they have two different threshold voltages - one for the rising edge and another for the falling edge. This feature aids in noise reduction and provides a clean, jitter-free output even from noisy input signals.

Typical Application Scenarios:

- Waveform Shaping: It can convert a noisy or unstable signal into a clean square wave.

- Clock Pulse Generation: Used to derive clock signals in digital circuits.

- Bounce Elimination: Effective in removing the "bounce" in mechanical switch signals.

Debouncing a Mechanical Switch Using 74HC14D:

Utilizing the 74HC14D to debounce a mechanical switch is an elementary yet vital application. Here's how one can set it up:

1. Powering the IC:

- VCC (Pin 14): This is the power supply pin. Connect it to a +5V source.

- GND (Pin 7): As the name suggests, this pin needs to be grounded.

2. Switch Connection:

- Pin 1 (Input of first inverter): Connect one terminal of the mechanical switch here. The other terminal of the switch should be connected to ground.

3. Feedback Resistor and Capacitor:

- Connect a resistor (let's say 10kΩ) between Pin 2 (Output of the first inverter) and Pin 1. This resistor provides the necessary feedback to create a delay.

- Connect a capacitor (say, 1µF) from Pin 1 to ground. This capacitor, along with the resistor, sets the debounce time.

4. Output:

- Pin 2: The debounced output can be taken from this pin.

Key Considerations:

- Choice of R and C: The resistor (R) and capacitor (C) determine the debounce time. The formula is approximately t = R x C. Ensure you select values that provide a suitable debounce time for your application.

- Unused Inputs: For all unused Schmitt triggers in the 74HC14D, it's essential to tie their inputs to ground to prevent them from floating, which could cause erratic behavior and increased power consumption.

- Supply Noise: Like all digital ICs, ensure that the supply voltage to the 74HC14D is free from noise. Decoupling capacitors might be necessary.

In conclusion, the 74HC14D is a valuable tool in the arsenal of every digital electronics engineer. Its ability to clean up unstable signals and render them usable makes it indispensable in various applications. It's essential, however, to use it correctly, paying attention to its peculiarities and ensuring all connections are appropriately managed.

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6. What is the process for return or replacement of 74HC14D?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the 74HC14D we delivered, we will accept the replacement or return of the 74HC14D only when all of the below conditions are fulfilled:

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

(2)We are informed of the defect described above within 90 days after the delivery of 74HC14D.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations