NE555DX

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NE555DX

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IC OSC SINGLE TIMER 8-SOP

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規格

屬性 價值
Supplier onsemi
Package Tape & Reel (TR)
ProductStatus Obsolete
Type 555 Type, Timer/Oscillator (Single)
Voltage-Supply 4.5V ~ 16V
Current-Supply 7.5 mA
OperatingTemperature 0°C ~ 70°C
Package/Case 8-SOIC (0.154, 3.90mm Width)
SupplierDevicePackage 8-SOIC

概述

Description

The NE555DX is an advanced version of the classic NE555 timer IC, commonly used in electronic circuits for generating precise time delays and oscillations. This updated model offers enhanced features, improved performance, and greater reliability, making it suitable for modern applications that demand higher precision and stability. It typically operates in three modes: monostable, astable, and bistable, allowing it to function as a timer, pulse generator, or flip-flop.
Key improvements in the NE555DX include lower power consumption, higher frequency operation, and improved temperature stability, making it ideal for battery-powered and high-frequency applications. It maintains compatibility with the traditional NE555 pin configuration, facilitating easy integration into existing designs. The NE555DX is used in various applications, from simple LED flashers to complex pulse-width modulation (PWM) controls in power supply circuits.
Overall, the NE555DX offers a robust solution for timing and waveform generation, providing designers with a versatile tool to meet the demands of contemporary electronic design challenges.

Equivalent

The NE555DX is a version of the classic 555 timer IC. Several manufacturers produce equivalent 555 timer chips which include the LM555 from Texas Instruments, the SE555 and SA555 from Signetics, and the TLC555, which is a low-power version from Texas Instruments. Additionally, the NE555 from STMicroelectronics and the LMC555 from National Semiconductor are also commonly used equivalents. These chips are generally interchangeable in most applications due to their similar functionality and pin configuration.

Features

The NE555DX is a precision timer IC known for its stability and versatility. Key features include:
1. Operating Modes: Supports monostable, astable, and bistable modes, allowing for a wide range of timing and pulse generation applications.
2. Timing Accuracy: Offers precise timing from microseconds to hours, with minimal external components required.
3. Supply Voltage Range: Operates from a wide supply voltage range of 4.5V to 16V, making it suitable for both low and high voltage applications.
4. Temperature Stability: Has excellent temperature stability, ensuring consistent performance across a range of environmental conditions.
5. Output Drive Capability: Can source or sink up to 200 mA of output current, making it capable of driving LEDs, relays, and other loads directly.
6. Low Power Consumption: Consumes less power in standby, making it efficient for battery-powered applications.
7. Ease of Use: With a simple pin configuration, it is easy to integrate into various circuits.
The NE555DX is a robust and reliable choice for designers needing a multifunctional timing solution.

Pinout

The NE555DX is a variant of the popular 555 timer IC and typically comes in an 8-pin package. Here are the functions of each pin:
1. Ground (GND): Connects to the negative supply voltage or ground.
2. Trigger (TRIG): Activates the timer when the voltage drops below 1/3 of the supply voltage. Used to start the timing interval in monostable mode.
3. Output (OUT): The output terminal, which provides the resulting pulse. It can drive loads directly.
4. Reset (RESET): A low voltage on this pin resets the timer. If not used, it should be connected to the supply voltage to prevent accidental resets.
5. Control Voltage (CV): Allows the modification of the threshold and trigger levels, typically left unconnected or connected to ground through a capacitor.
6. Threshold (THRESH): Ends the timing interval when the voltage exceeds 2/3 of the supply voltage.
7. Discharge (DISCH): Discharges the timing capacitor in astable or monostable operation.
8. VCC: Connects to the positive supply voltage.
The NE555DX can be used in various applications, including timers, pulse generation, and oscillator circuits.

Manufacturer

The NE555DX is manufactured by Texas Instruments, a global semiconductor company. Texas Instruments is known for designing, manufacturing, and selling a wide range of semiconductor products, including analog and embedded processing chips. They are a major player in the electronics industry, providing components for various applications such as automotive, industrial, personal electronics, and communications equipment. The NE555DX is part of their extensive portfolio of integrated circuits, specifically a variation of the widely-used 555 timer IC, which is utilized in various timing, pulse generation, and oscillator applications.

Application

The NE555DX is a precision timing device used in various applications, including:
1. Timers: Creating precise time delays.
2. Pulse Generation: Producing single or multiple pulses in circuits.
3. Oscillators: Functioning in astable mode for waveform generation.
4. Frequency Division: Reducing the frequency of signals.
5. Tone Generation: Used in sound synthesizers and alarms.
6. PWM Control: Modulating pulse width for controlling power delivery.
7. LED and Lamp Flashing: Creating blinking effects for indicators and displays.
8. Temperature and Humidity Sensors: Serving as a part of sensor circuits for data logging.
These applications leverage the NE555DX's reliability, simplicity, and versatility in analog and digital circuits.

Package

The NE555DX is a version of the NE555 timer IC available in a Dual In-line Package (DIP) configuration. This package type is commonly used for through-hole mounting on printed circuit boards.

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