LMC555CN/NOPB

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LMC555CN/NOPB

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IC OSC SINGLE TIMER 3MHZ 8-DIP

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Attribut Wert
Supplier Texas Instruments
Package / Case Tube
Part Status Active
Type 555 Type, Timer/Oscillator (Single)
Frequency 3MHz
Voltage - Supply 1.5V ~ 15V
Supply Current 150 µA
Operating Temperature -40°C ~ 85°C
Supplier Device Package 8-PDIP

Übersicht

Description

The LMC555CN/NOPB is a precision timer IC from Texas Instruments, designed for generating accurate time delays and oscillations. It is a CMOS version of the popular 555 timer, offering low power consumption and a wide operating voltage range from 1.5V to 15V. The device features high input impedance and low supply current, making it suitable for battery-operated applications. It can operate in astable or monostable modes, providing flexibility for various timing applications.
Key specifications include a typical supply current of 50 µA, a maximum frequency of operation up to 3 MHz, and an output drive capability of up to 100 mA. The LMC555CN/NOPB is packaged in an 8-pin DIP, which is easy to handle and integrate into breadboard or PCB designs. Its versatility and reliability make it a popular choice for timers, pulse generation, and LED flashers in consumer electronics, industrial controls, and educational projects.

Equivalent

The LMC555CN/NOPB is a CMOS version of the classic 555 timer IC. Equivalent products include the NE555, SE555, LM555, TLC555, and ICM7555, among others. Each has slightly different characteristics like power consumption and supply voltage ranges but generally provide similar timer, oscillator, and flip-flop functions. Always check the datasheets for specific differences to ensure compatibility with your application.

Features

The LMC555CN/NOPB is a timer IC that features a low power CMOS design, ideal for precision timing applications. Key features include:
1. Low Supply Current: It operates with a low power consumption, making it suitable for battery-powered devices.
2. Wide Supply Voltage Range: The device can function with supply voltages ranging from 1.5V to 15V.
3. High Speed Operation: Capable of generating precise time delays or oscillations.
4. CMOS Technology: This provides high noise immunity and low power dissipation.
5. Astable and Monostable Modes: Supports both modes for flexible timing configurations.
6. Temperature Stability: Offers stable operation over a wide temperature range.
7. Pin Compatibility: It is pin-compatible with the standard 555 timer IC.
8. Output Drive Capability: Can source or sink up to 100mA.
These features make the LMC555CN/NOPB suitable for applications such as pulse generation, time delay circuits, and LED flashers, among others.

Pinout

The LMC555CN/NOPB is a CMOS version of the classic 555 timer IC, used for generating precise time delays or oscillation. It is an 8-pin package with the following pin functions:
1. GND (Ground): Connected to the negative supply voltage.
2. TRIG (Trigger): Input to start the timing interval in monostable mode, usually activated by a negative-going pulse.
3. OUT (Output): The output pin where the timer's signal is available.
4. RESET: Resets the timer when pulled low, overriding other inputs.
5. CTRL (Control Voltage): Allows the modification of the internal voltage divider, typically connected to ground via a capacitor if unused.
6. THRES (Threshold): Compares the voltage applied to it with 2/3 of the supply voltage to reset the flip-flop in monostable mode.
7. DISCH (Discharge): Open collector output that discharges a capacitor between intervals in astable mode.
8. VCC (Supply Voltage): Positive supply voltage, ranging typically from 1.5V to 15V.
This IC is widely used due to its versatility in timing and oscillator applications.

Manufacturer

The LMC555CN/NOPB is manufactured by Texas Instruments (TI). Texas Instruments is an American technology company that designs and manufactures semiconductors and various integrated circuits. TI's products are used in a wide range of electronic devices and systems, playing a critical role in the electronics industry. The company focuses on developing analog chips and embedded processors, aiming to provide innovative solutions in various markets, including automotive, industrial, personal electronics, communications, and enterprise systems. TI is known for its comprehensive array of products and services, including power management, amplifiers, data converters, and sensors, making it a key player in the semiconductor sector.

Application

The LMC555CN/NOPB is a CMOS version of the 555 timer IC, known for its low power consumption and precision timing. It is used in a variety of applications, including:
1. Timer: Functions as a delay timer in various circuits.
2. Pulse Generation: Creates precise square waveforms for pulse-width modulation (PWM).
3. Oscillator: Generates clock pulses for digital circuits.
4. Frequency Division: Used in frequency division applications.
5. Capacitive Sensing: Employed in touch sensing and capacitive touch switches.
6. LED/Lamp Flashing: Controls flashing sequences in LED and lamp applications.
7. Tone Generation: Generates audio tones in alarms and buzzers.
Its versatility makes it a popular choice in educational, hobbyist, and professional electronics.

Package

The LMC555CN/NOPB is a precision timer IC packaged in an 8-pin PDIP (Plastic Dual In-line Package).

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