LM556CN

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IC OSC TIMER DUAL 14-DIP

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Especificações

Atributo Valor
PartStatus Obsolete
Type 555 Type, Timer/Oscillator (Dual)
Voltage-Supply 4.5V ~ 16V
Current-Supply 30 mA
OperatingTemperature 0°C ~ 70°C
Package/Case 14-DIP (0.300", 7.62mm)
SupplierDevicePackage 14-MDIP
MountingType Through Hole
BaseProductNumber LM556

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Description

The LM556CN is a dual timer integrated circuit (IC) that combines two 555 timer configurations in a single package, providing versatility for various timing applications. It operates in monostable and astable modes, allowing it to generate precise time delays and pulse-width modulation signals.
Key features include a wide supply voltage range (4.5V to 15V), low power consumption, and the ability to produce output signals that can drive TTL-level loads. Each timer has independent control pins for triggering and resetting, enhancing its flexibility for different circuit designs.
The LM556CN is widely used in applications such as timers, pulse generators, and oscillators in electronics. Its dual functionality makes it suitable for projects requiring multiple timing functions without the need for additional components, which can save space and reduce costs. Overall, it is a popular choice for hobbyists and professionals in various electronic applications.

Equivalent

The LM556CN is a dual timer IC. Equivalent products include the NE556 and the TLC556. Other compatible options are the LM555 for single timer applications or the LMC555 for a CMOS variant. Always check the specific electrical characteristics and pin configurations to ensure compatibility for your application.

Features

The LM556CN is a dual timer IC that combines two 555 timer circuits in a single package. Key features include:
1. Dual Functionality: Operates in both astable and monostable modes, allowing versatile timing applications.
2. Wide Supply Voltage: Operates from 4.5V to 15V, making it suitable for various power supply configurations.
3. High Output Drive: Capable of sourcing or sinking up to 200mA, facilitating direct driving of loads.
4. Low Power Consumption: The device has low quiescent current, enhancing efficiency in battery-operated devices.
5. Temperature Range: Functional over a wide temperature range from -55°C to +125°C, making it suitable for harsh environments.
6. Timing Capacitor: Allows the use of standard timing capacitors for precise time delays.
7. Integrated Protection: Built-in short-circuit protection ensures reliability.
These features make the LM556CN ideal for timers, pulse generators, and oscillator circuits in various electronic applications.

Pinout

The LM556CN is a dual timer IC that combines two independent 555 timer functionalities in a single package. It has a total of 8 pins. The pin configuration and functions are as follows:
1. Pin 1 (GND): Ground
2. Pin 2 (Trigger A): Triggers Timer A when the voltage drops below 1/3 Vcc.
3. Pin 3 (Output A): Output for Timer A, provides the timed output.
4. Pin 4 (Reset A): Resets Timer A when held low.
5. Pin 5 (Control Voltage): Modifies the timing intervals; typically connected to a capacitor.
6. Pin 6 (Threshold A): Resets Timer A when the voltage exceeds 2/3 Vcc.
7. Pin 7 (Discharge A): Discharges the timing capacitor for Timer A.
8. Pin 8 (Vcc): Supply voltage.
The LM556CN can operate in astable, monostable, or bistable modes, allowing various timing and pulse generation applications.

Manufacturer

The LM556CN is manufactured by Texas Instruments (TI), a prominent company in the semiconductor and electronics industry. Texas Instruments is known for designing and producing a wide range of products, including analog electronics, embedded processors, and digital signal processors. Founded in 1930 and headquartered in Dallas, Texas, TI has established itself as a leader in innovation and technology.
The LM556CN is a dual timer IC that is widely used in various applications, such as timing, oscillation, and pulse generation. TI primarily serves markets such as automotive, industrial, consumer electronics, and communications, providing essential components and solutions that enable the functionality of modern electronic devices.
With a strong emphasis on research and development, Texas Instruments continues to expand its product offerings and maintain its reputation for quality and reliability in the semiconductor industry.

Application

The LM556CN is a versatile dual timer integrated circuit commonly used in various applications, including:
1. Astable and Monostable Multivibrators: For generating square waves and pulse signals.
2. Timer Circuits: Implementing time delays and event scheduling.
3. Frequency Generators: Used in oscillating circuits for audio and signal processing.
4. Pulse Width Modulation: In motor control and dimming applications.
5. Signal Conditioning: For processing signals in communication systems.
6. Light Flashers: In decorative lighting and alarms.
7. Tone Generators: For sound synthesis in electronic devices.
Its flexibility makes it suitable for both hobbyist projects and industrial applications.

Package

The LM556CN is typically packaged in a dual in-line package (DIP) configuration, specifically a 14-pin DIP. This package type allows for easy mounting on circuit boards and prototyping.

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