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NE556N

Name: NE556N
Rating: 4.7 (12 reviews)

IC OSC TIMER DUAL 500KHZ 14-DIP

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仕様

Part Status	Obsolete
Base Product Number	NE556
Type	555 Type, Timer/Oscillator (Dual)
Frequency	500kHz
Voltage - Supply	4.5V ~ 16V
Current - Supply	20 mA
Operating Temperature	0°C ~ 70°C
Package	14-DIP (0.300", 7.62mm)
Supplier Device Package	14-DIP
Mounting Type	Through Hole
Packaging	Tube

概要

Description

The NE556N is a dual timer integrated circuit (IC) that combines two 555 timer circuits in a single package. It is commonly used in various applications such as timing, pulse generation, and oscillation. The NE556N can operate in both astable and monostable modes, allowing it to create precise timing intervals or generate square wave signals.
Key features include a wide supply voltage range (4.5V to 15V), low power consumption, and the ability to drive output loads directly. The IC is widely utilized in commercial, industrial, and educational projects, owing to its versatility and ease of use.
The NE556N can be configured for various timing applications, such as timers, oscillators, and frequency dividers. Its dual configuration allows for complex timing sequences within a compact design. Overall, the NE556N is a robust and flexible component in electronic design, suitable for beginners and experienced engineers alike.

Features

The NE556N is a dual timer IC that combines two 555 timer circuits in a single package. Key features include:
1. Dual Functionality: Operates in monostable or astable modes for timing applications.
2. Wide Voltage Range: Functions from 4.5V to 15V, accommodating various power supply needs.
3. Timing Capacitor Range: Supports timing capacitors from 10pF to 100µF, allowing for a wide range of time delays.
4. High Accuracy: Provides stable timing characteristics with low temperature drift.
5. Output Drive Capability: Capable of driving loads up to 200mA, useful for triggering larger devices.
6. Low Power Consumption: Operates with low supply current, enhancing energy efficiency.
7. Pin Compatibility: Compatible with standard 555 timer circuits, facilitating easy integration into existing designs.
These features make the NE556N versatile for applications in timers, pulse generators, and oscillators in various electronic projects.

Package

The NE556N is typically packaged in an 8-pin Dual In-Line Package (DIP) format. It may also be found in surface mount options like SOIC, depending on the manufacturer.

Pinout

The NE556N is a dual timer integrated circuit, essentially a combination of two 555 timer circuits in one package. It has a total of 8 pins, with the following functions:
1. Pin 1 (GND): Ground.
2. Pin 2 (TR1): Trigger for Timer 1, used to start the timing interval.
3. Pin 3 (OUT1): Output for Timer 1, provides the timing pulse.
4. Pin 4 (RESET1): Reset for Timer 1, used to terminate the timing interval.
5. Pin 5 (CTRL1): Control voltage for Timer 1, used to adjust timing.
6. Pin 6 (THRS1): Threshold for Timer 1, sets the end of the timing interval.
7. Pin 7 (DISCH1): Discharge for Timer 1, discharges the timing capacitor.
8. Pin 8 (VCC): Power supply voltage.
The NE556N can be configured in various modes, including monostable and astable, making it versatile for timing applications.

Manufacturer

The NE556N is manufactured by Texas Instruments, a prominent semiconductor company. Founded in 1951, Texas Instruments (TI) specializes in designing and manufacturing a wide range of analog and digital electronic components, including integrated circuits (ICs), microcontrollers, and sensors. TI is known for its innovations in various fields, such as telecommunications, automotive, industrial automation, and consumer electronics. The NE556N is a dual timer IC, commonly used in various applications for timing, oscillation, and pulse generation.

Application

The NE556N is a versatile dual timer IC used in various applications, including pulse generation, time delay generation, waveform generation, and pulse-width modulation. It can serve in oscillators, timers, and frequency dividers. Common uses include automotive systems, signal processing, alarm systems, and light flashers. Its dual configuration allows for complex timing and control functions in electronic circuits.

Equivalent

The NE556N is a dual timer IC equivalent to the popular 555 timer but with two timers in one package. Equivalent products include the LM556, LMC556, and SE556. These chips share similar functionality and can be used interchangeably in most applications. Always check the specific datasheets for pin configurations and electrical characteristics to ensure compatibility.