NE556DBR

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NE556DBR

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IC OSC TIMER DUAL 100KHZ 14SSOP

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Attribut Wert
Supplier Texas Instruments
Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
Type 555 Type, Timer/Oscillator (Dual)
Frequency 100kHz
Voltage-Supply 4.5V ~ 16V
Current-Supply 20 mA
OperatingTemperature 0°C ~ 70°C
Package/Case 14-SSOP (0.209, 5.30mm Width)
SupplierDevicePackage 14-SSOP

Übersicht

Description

The NE556DBR is a dual timer IC from Texas Instruments, commonly used for generating precise time delays or oscillation. It combines two independent 555 timer circuits in a single package, simplifying applications that require multiple timing circuits. This IC is versatile, used in applications such as pulse generation, sequential timing, and pulse width modulation.
The NE556DBR operates over a wide voltage range (4.5V to 16V), making it suitable for various digital and analog circuits. Each timer within the chip can be configured in either monostable or astable mode. In monostable mode, the timer produces a single pulse of a specific duration when triggered. In astable mode, it continuously generates a square wave at a set frequency.
The device is commonly packaged in a surface-mount SOIC-14, offering ease of integration in compact circuit designs. The NE556DBR provides stable, low-power operation, with good temperature stability, making it a reliable choice for engineers developing timing-related electronic applications.

Equivalent

The NE556DBR is a dual timer IC, commonly used for timing applications. Equivalent products include the LM556, SE556, and TLC556, all of which are dual versions of the popular 555 timer IC. They are pin-compatible and can generally be used interchangeably for similar applications. Always check specific datasheets for any variations in electrical characteristics or performance differences.

Features

The NE556DBR is a dual-timer IC that integrates two 555 timers on a single chip, offering versatility and precision in timing applications. Key features include:
1. Dual Timers: Contains two independent 555 timer circuits, allowing for more complex timing operations in a single package.

2. Wide Operating Voltage: Supports a range from 4.5V to 16V, making it suitable for various applications.
3. High Temperature Range: Operates efficiently from -40°C to 85°C, ensuring reliable performance in diverse environments.
4. Adjustable Timing: Provides flexibility in setting precise time delays and oscillation frequencies through external resistors and capacitors.
5. Stable Operation: Features high immunity to noise and low power consumption, enhancing stability and efficiency.
6. Output Compatibility: Capable of sinking or sourcing up to 200 mA, suitable for driving various loads directly.
These features make the NE556DBR ideal for applications in timing, pulse generation, sequential timing, and as a flip-flop element in circuits.

Pinout

The NE556DBR is a dual timer IC that contains two 555 timer circuits in a single package. It is typically found in a 14-pin SOIC (Small Outline Integrated Circuit) package. Here’s a brief overview of the pin configuration and functions:
1. Pin 1 (GND A): Ground for the first timer.
2. Pin 2 (Trigger A): Input to start the timing interval for the first timer.
3. Pin 3 (Output A): Output of the first timer.
4. Pin 4 (Reset A): Resets the first timer when held low.
5. Pin 5 (Control Voltage A): Allows control of the threshold voltage for the first timer.
6. Pin 6 (Threshold A): Input that ends the timing interval for the first timer.
7. Pin 7 (Discharge A): Open-collector output for the first timer’s timing capacitor.
8. Pin 8 (VCC): Supply voltage for both timers.
9. Pin 9 (Discharge B): Open-collector output for the second timer’s timing capacitor.
10. Pin 10 (Threshold B): Input that ends the timing interval for the second timer.
11. Pin 11 (Control Voltage B): Allows control of the threshold voltage for the second timer.
12. Pin 12 (Reset B): Resets the second timer when held low.
13. Pin 13 (Output B): Output of the second timer.
14. Pin 14 (Trigger B): Input to start the timing interval for the second timer.
These pins allow the NE556DBR to be used in various timing and oscillator applications.

Manufacturer

The NE556DBR is a timer IC manufactured by Texas Instruments. Texas Instruments (TI) is a global semiconductor design and manufacturing company headquartered in Dallas, Texas. They are well-known for developing analog and embedded processing chips, which are used in a wide array of electronic products across various industries, including automotive, industrial, personal electronics, and communications equipment. TI's expertise lies in creating energy-efficient and highly integrated circuits, and they are recognized for their contributions to the electronics industry, including their development of the widely used 7400 series of integrated circuits and the invention of the silicon transistor.

Application

The NE556DBR is a dual timer IC commonly used in various timing and pulse generation applications. Key application areas include:
1. Monostable and Astable Multivibrators: Used for generating precise time delays or oscillations.
2. Pulse Width Modulation (PWM): Useful in controlling power delivery and signal modulation.
3. Frequency Dividers: Employed in frequency counting and signal processing.
4. LED and Lamp Flashers: For creating visual signals and indicators.
5. Tone Generators: Used in sound-producing devices like alarms and synthesizers.
6. Switch Debouncing: Helps stabilize switch signals in digital circuits.
7. Sequential Timing: Controls sequences in automation and robotics.
Overall, its versatility makes it suitable for a wide range of electronic applications.

Package

The NE556DBR is a dual-timer IC packaged in a small-outline integrated circuit (SOIC) with 14 pins, specifically in the SOIC-14 form factor. This package type is surface-mount, suitable for automated assembly processes, and commonly used for implementing precise timing and multivibrator applications.

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