NE556D

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NE556D

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IC OSC TIMER DUAL 500KHZ 14-SOIC

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規格

屬性 價值
Supplier STMicroelectronics
Package Tube
ProductStatus Obsolete
Type 555 Type, Timer/Oscillator (Dual)
Frequency 500kHz
Voltage-Supply 4.5V ~ 16V
Current-Supply 20 mA
OperatingTemperature 0°C ~ 70°C
Package/Case 14-SOIC (0.154, 3.90mm Width)
SupplierDevicePackage 14-SO

概述

Description

The NE556D is a dual version of the popular 555 timer IC, housed in a single 14-pin package. It combines two independent precision timers, which can be used for a wide range of timing, delay, pulse generation, and oscillator applications. Each timer in the NE556D can operate independently or in combination with each other for more complex timing applications.
Key features of the NE556D include a wide voltage range (typically 4.5V to 16V), low power consumption, and a high output current capability. Each timer can be configured in various modes such as monostable (one-shot) or astable (oscillator) mode, allowing for flexibility in circuit design.
The NE556D is ideal for applications requiring multiple timing circuits without the need to use separate chips, thus saving space and reducing component count. The device is suitable for use in a variety of electronic applications including wave and pulse generation, LED flashers, tone generation, and more. It is widely used in consumer electronics, industrial controls, and educational projects due to its versatility and reliability.

Equivalent

The NE556D is a dual-timer IC, equivalent products include the LM556, SE556, and SA556. These are also dual-timer ICs with similar functionality and specifications. They provide two independent timing circuits in a single package and are used for generating precise time delays or oscillation. Always check the specific datasheets for exact parameter matching when substituting components.

Features

The NE556D is a dual version of the NE555 timer, housed in a 14-pin package. It features two independent timing circuits, making it versatile for applications requiring multiple timing functions. Key features include:
1. Dual Timers: Combines two timers in one package, saving space and increasing functionality.
2. Operating Voltage: Works across a wide voltage range from 4.5V to 15V, allowing for flexibility in different circuit designs.
3. Low Power Consumption: Offers efficient power usage, which is beneficial for battery-powered applications.
4. Adjustable Duty Cycle: Both monostable and astable operations are possible, with adjustable duty cycle in astable mode.
5. High Output Current: Can drive TTL loads or LEDs directly, with a maximum output current of 200 mA.
6. Temperature Stability: Exhibits good stability over a range of operating temperatures.
7. Precision Timing: Provides precise time delays and oscillations.
These features make the NE556D suitable for various applications, including pulse generation, timing delays, and waveform generation.

Pinout

The NE556D is a dual-timer IC, essentially combining two NE555 timer circuits in a single package. It is typically used for precision timing applications. The NE556D comes in a 14-pin dual in-line package (DIP), and here is a brief summary of its pin configuration and functions:
1. Pin 1 (GND1): Ground for timer 1.
2. Pin 2 (TRIG1): Trigger input for timer 1, starts the timing interval.
3. Pin 3 (OUT1): Output for timer 1.
4. Pin 4 (RESET1): Reset input for timer 1, active low.
5. Pin 5 (CTRL1): Control voltage for timer 1, usually connected to a capacitor for stability.
6. Pin 6 (THRES1): Threshold input for timer 1, ends the timing interval.
7. Pin 7 (DISCH1): Discharge pin for timer 1, opens or closes the discharge path.
8. Pin 8 (VCC): Supply voltage.
9. Pin 9 (DISCH2): Discharge pin for timer 2.
10. Pin 10 (THRES2): Threshold input for timer 2.
11. Pin 11 (CTRL2): Control voltage for timer 2.
12. Pin 12 (RESET2): Reset input for timer 2.
13. Pin 13 (OUT2): Output for timer 2.
14. Pin 14 (TRIG2): Trigger input for timer 2.
This IC can operate in both astable and monostable modes, allowing for various timing and pulse generation applications.

Manufacturer

The NE556D is a dual timer IC manufactured by Texas Instruments, an American technology company. Texas Instruments, often abbreviated as TI, is known for its development and manufacturing of semiconductors and various integrated circuits used in a broad range of electronic devices. The company is a major player in the electronics industry and is particularly noted for its analog chips and embedded processors. TI provides solutions for industrial, automotive, personal electronics, and communications equipment sectors, among others. Beyond manufacturing, Texas Instruments is involved in research and development to innovate and improve semiconductor technology.

Application

The NE556D is a dual-timer IC that integrates two 555 timer circuits in a single package. It is widely used in applications such as pulse generation, time delay, and oscillator circuits. Common application areas include:
1. Astable Multivibrator: For generating square waves or pulse-width modulation.
2. Monostable Multivibrator: Used in timers, pulse counting, and delay applications.
3. Bistable Multivibrator: For flip-flop circuits.
4. Tone Generation: In audio applications for creating sound effects.
5. Frequency Division: In digital circuits.
6. LED/Lamp Flashers: For visual signaling.
7. PWM Controllers: In motor speed control and dimming applications.
Its versatility makes the NE556D suitable for both consumer electronics and industrial applications.

Package

The NE556D is a dual timer IC packaged in a Small Outline Integrated Circuit (SOIC) format. Specifically, the "D" suffix indicates the SOIC-14 package, which features 14 pins and is suitable for surface mounting on printed circuit boards (PCBs).