What is the Additional Feature ?

Name: SN74LVC1G123DCUR
Brand: Texas Instruments
SKU: SN74LVC1G123DCUR
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 SN74LVC1G123DCUR

Part No.:: SN74LVC1G123DCUR

Manufacturer:: Texas Instruments

Package:: 8-VFSOP (0.091, 2.30mm Width)

Datasheet:: SN74LVC1G123DCUR.pdf

Description:: IC MULTIVIBRATOR 18.5NS 8VSSOP

In Stock:: 2678

Quantity:: Add To Cart

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SN74LVC1G123DCUR this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including SN74LVC1G123DCUR 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 SN74LVC1G123DCUR 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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SN74LVC1G123DCUR Typical application Circuitry

SN74LVC1G123DCUR

The SN74LVC1G123DCUR is a single monostable multivibrator or one-shot timer. It's designed to generate a precise, programmable pulse in response to a trigger event. This IC is commonly used in applications such as pulse generation for timing sequences, debounce circuits for mechanical switches, or as a delay element in digital circuits.

Application Scenario: Debouncing a Mechanical Switch

In this scenario, SN74LVC1G123DCUR is used to debounce a mechanical switch, ensuring that only a single clean pulse is generated each time the switch is pressed, regardless of any contact bounce.

Circuit Connection Strategy

1. Switch Input Connection

- Connect the mechanical switch between the trigger input (A; Pin 3) of SN74LVC1G123DCUR and the ground.

- Configure the switch to pull the trigger input low when pressed. The trigger input is normally tied to VCC through a pull-up resistor.

2. Timing Components Connection

- Connect an external capacitor (Cx) to the capacitor pin (Cext; Pin 6) and an external resistor (Rx) to the resistor pin (Rext; Pin 7) of SN74LVC1G123DCUR.

- Cx and Rx determine the output pulse width as per the timing requirements. Their values are chosen based on the desired pulse width.

3. Output Pulse Monitoring

- Connect the output pin (Q; Pin 4) of SN74LVC1G123DCUR to the input of the subsequent stage (e.g., a microcontroller or another digital circuit).

- The output pulse can be used to trigger events or processes in the subsequent stage.

4. Power Supply Configuration

- Connect VCC (Pin 8) to a suitable power supply (typically 3.3V or 5V) and GND (Pin 5) to the system ground.

- Decoupling capacitors should be placed close to the power pins to ensure a stable power supply and minimize noise for SN74LVC1G123DCUR.

5. Grounding and Decoupling

- Implement a solid ground plane and place decoupling capacitors at the power pins to minimize noise and stabilize the operation.

- Proper grounding and decoupling are essential for the stable operation of SN74LVC1G123DCUR.

Design Parameters

When integrating SN74LVC1G123DCUR into a circuit, several critical factors need attention:

1. Timing Component Selection

- Choose appropriate values for Cx and Rx to set the desired pulse width accurately.

2. Switch Debounce Time

- Ensure that the pulse width is longer than the maximum expected bounce time of the mechanical switch to effectively debounce the switch.

3. Signal Integrity

- Use proper routing and, if necessary, shielding to protect the signals from noise, especially in environments with high electrical interference.

4. Power Supply Stability

- Ensure that the power supply to SN74LVC1G123DCUR is stable and clean, as fluctuations can impact the performance and timing accuracy.

5. Thermal Management

- Assess the thermal load, especially if SN74LVC1G123DCUR is expected to generate pulses at a high frequency, and consider implementing cooling solutions if necessary.

By addressing these considerations and leveraging the operational features of SN74LVC1G123DCUR, engineers can effectively employ this monostable multivibrator in debounce circuits for mechanical switches, ensuring precise pulse generation and stable operation.

SN74LVC1G123DCUR information

SN74LVC1G123DCUR Specifications

Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
74LVC
ProductStatus:
Active
LogicType:
Monostable
IndependentCircuits:
1
SchmittTriggerInput:
Yes
PropagationDelay:
18.5 ns
Current-OutputHighLow:
32mA, 32mA
Voltage-Supply:
1.65 V ~ 5.5 V
OperatingTemperature:
-40°C ~ 125°C
MountingType:
Surface Mount

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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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