TLC556MD

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IC OSC TIMER DUAL 2.1MHZ 14-SOIC

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Especificações

Atributo Valor
Supplier Texas Instruments
Package Tube
Series LinCMOS™
ProductStatus Active
Type 555 Type, Timer/Oscillator (Dual)
Frequency 2.1MHz
Voltage-Supply 5V ~ 18V
Current-Supply 720 µA
OperatingTemperature -55°C ~ 125°C
Package/Case 14-SOIC (0.154, 3.90mm Width)
SupplierDevicePackage 14-SOIC

Visão Geral

Description

The TLC556MD is a precision timer IC from Texas Instruments, part of the 556 timer family. This device combines two independent, low-power timers in a single 14-pin package, making it suitable for applications requiring dual-timing circuits. The TLC556MD operates with a wide voltage range, typically from 2 V to 15 V, and features low power consumption, which is ideal for battery-powered applications.
The timers in the TLC556MD can function in monostable (one-shot) or astable (oscillator) modes. In monostable mode, the timer generates a single pulse of a specified duration, while in astable mode, it produces a continuous square wave. This versatility makes it useful in generating precise time delays, oscillations, and pulse-width modulation.
The device is known for its high accuracy, stability, and minimal external components requirement, which simplifies circuit design. It is commonly used in applications such as LED flashers, pulse generators, and frequency dividers. Moreover, the TLC556MD's robust operating temperature range makes it suitable for various environmental conditions.

Equivalent

The TLC556MD is a dual version of the 555 timer IC, designed for low-power applications. Equivalent products include the NE556, LM556, and SE556. These chips serve similar functions, offering two 555 timers in a single package. They are used for timing, delay, pulse generation, and oscillator applications. While they are generally interchangeable, always check the datasheet for specific electrical characteristics to ensure compatibility with your application.

Features

The TLC556MD is a precision timer device, an improved version of the standard 555 timer. It features two independent monolithic timing circuits. Key features include:
1. Dual Timer: Contains two precision timing circuits.
2. Operating Voltage: Ranges from 2 V to 15 V.
3. Output Compatibility: Capable of driving TTL loads.
4. Low Power Consumption: Consumes significantly less power than the NE555.
5. Astable and Monostable Operation: Can function in both modes, enabling a wide range of applications.
6. Timing from Microseconds to Hours: Versatile timing capabilities for different applications.
7. Temperature Stability: Features improved temperature stability.
8. CMOS Technology: Built using CMOS technology for enhanced performance.
9. Package Options: Available in various packages, including SOIC.
10. Wide Temperature Range: Operates effectively over a wide temperature range, suitable for diverse environments.
The TLC556MD is ideal for applications requiring precise timing and low power consumption, such as in pulse generation, timers, and oscillators.

Pinout

The TLC556MD is a dual timer IC, part of the 556 timer family, which is a variant of the popular 555 timer IC. It comes in an SOIC (Small Outline Integrated Circuit) package with 14 pins. Here's a brief overview of its pin functions:
1. GND (Pin 7) - Ground reference voltage.
2. VCC (Pin 14) - Supply voltage.
3. Trigger A (Pin 6) - Trigger input for timer A; a falling edge triggers the timer.
4. Threshold A (Pin 8) - Threshold input for timer A; used to control timing interval.
5. Control Voltage A (Pin 9) - Allows adjustment of threshold voltage for timer A.
6. Reset A (Pin 10) - Resets the timer A when driven low.
7. Output A (Pin 11) - Output for timer A; goes high during the timing interval.
8. Discharge A (Pin 12) - Discharge pin for timer A; used with an external capacitor for timing interval.
9. Trigger B (Pin 2) - Trigger input for timer B; similar function as Trigger A.
10. Threshold B (Pin 1) - Threshold input for timer B.
11. Control Voltage B (Pin 5) - Control input for timer B.
12. Reset B (Pin 4) - Resets the timer B.
13. Output B (Pin 3) - Output for timer B.
14. Discharge B (Pin 13) - Discharge pin for timer B.
The TLC556MD can be used for various timing applications, including oscillators and pulse generation.

Manufacturer

The TLC556MD is manufactured by Texas Instruments Incorporated (TI). Texas Instruments is a global semiconductor company that designs, manufactures, tests, and sells analog and embedded processing chips. TI is known for its innovation in the electronics industry, providing a wide range of products that are utilized in various applications, including industrial, automotive, personal electronics, and communications equipment. The company focuses on creating technologies that make electronics work smarter, contributing to advancements in fields such as energy efficiency, safety, and data management.

Application

The TLC556MD is a dual timer IC, similar to the popular 555 timer, and is used in a variety of timing applications. Key application areas include:
1. Monostable Operation: Used for pulse generation, such as creating time delays or interval timers.
2. Astable Operation: Suitable for generating continuous waveforms, such as clock pulses or oscillators.
3. Pulse Width Modulation: Useful in controlling the width of output pulses for applications like motor speed control.
4. LED and Light Control: Used in dimming and flashing light circuits.
5. Pulse Position Modulation: Applicable in signal processing and communication circuits.
6. Frequency Divider: Used to divide frequency in digital circuits.
These functions make it versatile for use in consumer electronics, automotive, and industrial applications.

Package

The TLC556MD is a dual timer IC available in an SOIC-14 package. SOIC stands for Small Outline Integrated Circuit, and the package typically has 14 pins. It's designed for surface-mount technology, allowing it to be mounted directly onto the surface of printed circuit boards (PCBs).

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