LM555 Dip IC

20.00

SKU: 000243 Category: Tags: , , , ,

Description

The LM555 is a widely used integrated circuit (IC) that serves as a timer, oscillator, or pulse generator. It’s a part of the 555 timer IC family and comes in a Dual Inline Package (DIP) with eight pins. The LM555 can be used in a variety of applications, including pulse generation, delay generation, and as a timer in various electronic circuits.

Here’s a brief overview of the pins and their functions for the LM555 in a DIP package:

1. **GND (Ground)** – Connect to the ground or 0V reference point of your circuit.

2. **TRIG (Trigger)** – This pin is used to trigger the timer. When the voltage at this pin falls below 1/3 of the supply voltage, the timer starts.

3. **OUT (Output)** – This is the output pin, which provides the timed or oscillating signal.

4. **RESET** – This pin can be used to reset the timer. When connected to VCC (the supply voltage), it disables the timer.

5. **CTRL (Control Voltage)** – This pin allows for external voltage control of the timing characteristics of the timer. Connecting a capacitor here can change the timing behavior.

6. **THRS (Threshold)** – This pin is connected to the inverting input of the internal comparator. When the voltage here reaches 2/3 of the supply voltage, it resets the timer.

7. **DISCH (Discharge)** – This pin is used to discharge the timing capacitor to ground when the output is low.

8. **VCC (Supply Voltage)** – Connect this pin to the positive supply voltage, which is usually in the range of 4.5V to 15V, depending on the specific version of the LM555.

The LM555 can be used in different modes, such as astable and monostable, to generate various timing and oscillatory functions. Its versatile nature and ease of use make it a popular choice for hobbyists, students, and engineers in a wide range of electronic projects. To use the LM555 effectively, it’s important to refer to the datasheet and use the appropriate external components (resistors, capacitors) to set the desired timing parameters for your specific application.

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