74HC123D-Q100,118 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including 74HC123D-Q100,118 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 74HC123D-Q100,118 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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Application Scenarios:
74HC123D-Q100,118 is commonly used in timing circuits, pulse generation, and control applications within digital systems. Features of a parameter
- Supply Voltage Range: 2 V to 6 V
- Depending on the supplied voltage, the propagation delay varies.
- Maximum Operating Temperature: 125°C
Example Application: Timing Circuit
For our example, we will design a timing circuit using the 74HC123D-Q100,118 chip to create a time delay for an LED light. The stages of wiring the circuit are as follows:
1. Connecting Power: Pin 16 (VCC) should be connected to a 5V power supply, and pin 8 (GND) should be connected to the ground.
2. Setting the Timing Components: A resistor (R1) needs to be connected from pin 15 (RCext1) to VCC. Additionally, a capacitor (C1) should be connected from pin 15 (RCext1) to GND to establish the desired time delay.
3. Input and Trigger: A normally open push-button switch should be connected between pin 14 (A1) and GND. This will serve as the timing circuit's trigger.
4. Output to LED: Connect pin 13 (Q1) to the anode of an LED. A current-limiting resistor (R2) should then be used to connect the LED's cathode to GND. 5. Managing Unused Pins: - It is crucial to tie any unused inputs to the ground to prevent floating inputs, which could lead to unpredictable circuit behavior.
Design Considerations:
When designing a circuit with 74HC123D-Q100,118, there are several factors to consider:
1. Voltage Compatibility: Ensure all components in the circuit are compatible with the 5V supply voltage.
2. Correct Timing Components: Carefully choose the values of R1 and C1 to achieve the required time delay.
3. LED Current Limitation: Select an appropriate current-limiting resistor (R2) to protect the LED from excessive current.
By meticulously following these guidelines, you will be able to effectively utilize the 74HC123D-Q100,118 chip to create precise time delays for controlling a variety of devices within digital circuits.
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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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