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NE555P

Name: NE555P
Rating: 4.7 (12 reviews)

IC OSC SINGLE TIMER 100KHZ 8-DIP

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Mfr.부분 #NE555P
패키지 PDIP-8
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사양

Package	Tube
ProductStatus	Active
Type	555 Type, Timer/Oscillator (Single)
Frequency	100kHz
Voltage-Supply	4.5V ~ 16V
Current-Supply	10 mA
OperatingTemperature	0°C ~ 70°C
Package/Case	8-DIP (0.300, 7.62mm)
SupplierDevicePackage	8-PDIP

개요

Description

The NE555P is a versatile integrated circuit commonly used in timer, pulse generator, and oscillator applications. Introduced in 1972 by Signetics, it can operate in three modes: astable, monostable, and bistable.
In astable mode, the NE555P generates a continuous square wave output, making it ideal for clock pulses and light flashers. In monostable mode, it produces a single output pulse in response to a trigger input, useful for timers and delay circuits. Bistable mode allows for a flip-flop operation, enabling memory storage.
The IC operates on a voltage range of 4.5V to 15V and can drive output loads up to 200mA, making it suitable for various applications including alarms, tone generation, and frequency modulation.
Its ease of use, reliability, and low cost have made it a staple in electronics education and hobbyist projects. The NE555P remains popular due to its simplicity and effectiveness in creating timing and control circuits.

Features

The NE555P is a versatile timer IC widely used in various applications. Key features include:
1. Configuration: Operates in monostable, astable, and bistable modes.
2. Timing Range: Capable of producing precise timing intervals from microseconds to hours.
3. Voltage Range: Operates with a supply voltage ranging from 4.5V to 15V (up to 18V max).
4. Output Current: Provides a standard output current of 200mA, allowing it to drive small loads directly.
5. Temperature Stability: Offers good temperature stability, with a temperature range of -55°C to +125°C.
6. Low Cost and Availability: Economically priced and widely available, making it popular for hobbyist and professional projects.
7. Ease of Use: Simple to implement with minimal external components required.
8. Applications: Used in timer circuits, pulse generation, LED flashers, and frequency division.
The NE555P's reliability and flexibility make it a go-to choice for a broad range of electronic applications.

Package

The NE555P is typically packaged in an 8-pin Dual In-Line Package (DIP). This configuration allows for easy integration into circuits and breadboards, making it popular for various timer, oscillator, and pulse generation applications. Other package options may include surface mount versions, but the DIP is the most common for the NE555P.

Pinout

The NE555P is a versatile timer integrated circuit with 8 pins. Here’s a brief overview of each pin's function:
1. Pin 1 (GND): Ground reference for the circuit.
2. Pin 2 (TRIG): Trigger input; a negative pulse on this pin starts the timing cycle.
3. Pin 3 (OUT): Output; delivers the timer's output signal.
4. Pin 4 (RESET): Resets the timing cycle when activated; typically connected to VCC for normal operation.
5. Pin 5 (CTRL): Control voltage; used to adjust the timing intervals, usually connected to ground through a capacitor.
6. Pin 6 (THRESH): Threshold input; voltage level that stops the timing cycle when reached.
7. Pin 7 (DISCH): Discharge; connected to ground to discharge the timing capacitor at the end of the timing cycle.
8. Pin 8 (VCC): Supply voltage; provides power to the IC, typically 4.5V to 15V.
The NE555P is widely used in timer, delay, and oscillator applications.

Manufacturer

The NE555P is a timer IC manufactured by Texas Instruments, a prominent semiconductor company. Texas Instruments (TI) is known for designing and producing a wide range of analog, embedded processing, and digital signal processing (DSP) technologies. Founded in 1930, TI has established itself as a leader in the electronics industry, providing components and solutions for various applications, including automotive, industrial, consumer electronics, and communications. The NE555 timer, popular for its versatility and ease of use, is often employed in timing, pulse generation, and oscillator applications. TI's extensive portfolio supports innovation in electronics across many sectors.

Application

The NE555P timer IC is widely used in various applications, including:
1. Astable Multivibrator: For generating pulse-width modulation (PWM) signals and clock pulses.
2. Monostable Mode: For creating time delay circuits and timers.
3. Flip-Flops: In digital circuits for state change applications.
4. Tone Generation: In sound-producing devices like alarms or buzzers.
5. Light Flashers: For LED blinking circuits.
6. Frequency Generators: In signal processing applications.
7. Pulse Width Modulation: For motor speed control.
Its versatility makes it suitable for both educational and practical electronic projects.

Equivalent

Equivalent products to the NE555P chip include the LM555, LMC555, and TLC555. These variants offer similar functionality for timer, oscillator, and flip-flop applications, with slight differences in specifications such as power supply range and output characteristics. Always consult the datasheet for specific requirements before substituting.