LMC555CN

Abbildungen dienen nur als Referenz

LMC555CN

+Stückliste

IC OSC SINGLE TIMER 3MHZ 8-DIP

  • HerstellerTexas Instruments

  • Herstellerteil #LMC555CN

  • Auf Lager5532

365 Tage Qualitätsgarantie

7*24 Stunden-Servicegarantie

90-Tage Kundendienstgarantie

Originalproduktgarantie

Spezifikationen

Attribut Wert
Part Status Obsolete
Base Product Number LMC555
Type 555 Type, Timer/Oscillator (Single)
Frequency 3MHz
Voltage - Supply 1.5V ~ 15V
Current - Supply 150 µA
Operating Temperature -40°C ~ 85°C
Package 8-DIP (0.300", 7.62mm)
Supplier Device Package 8-PDIP
Mounting Type Through Hole
Packaging Tube

Übersicht

Description

The LMC555CN is a CMOS variant of the classic 555 timer IC, known for its low power consumption and precise timing capabilities. It operates in the same modes as the traditional 555 timer: monostable (one-shot) and astable (oscillator), which are used for creating time delays, pulse generation, and signal modulation. The LMC555CN offers improved characteristics over its bipolar counterpart, including a wider supply voltage range (1.5V to 15V), lower power consumption, and higher input impedance, making it suitable for battery-operated devices and low-power applications.
Its package is typically an 8-pin DIP (dual in-line package), with the pins serving functions such as triggering, threshold control, discharge, and output. The output can source or sink up to 50mA, which makes it versatile for driving LEDs, relays, and other components. The LMC555CN's precision and reliability make it a popular choice in applications like timers, pulse-width modulation controllers, and tone generators. Its low cost and simplicity also contribute to its widespread use in educational and hobbyist projects.

Equivalent

Equivalent products to the LMC555CN timer chip include the NE555, LM555, and TLC555. These are all general-purpose timer ICs with similar functionalities, such as generating precise time delays and oscillations. Different manufacturers might offer slight variations in specifications like supply voltage range and power consumption, so check the datasheets for compatibility with your specific application.

Features

The LMC555CN is a CMOS version of the classic 555 timer IC, offering enhanced performance and lower power consumption compared to its bipolar counterparts. Key features include:
1. Low Power Consumption: It operates with significantly less power, making it ideal for battery-operated devices.
2. Wide Supply Voltage Range: Compatible with a broad range of supply voltages from 1.5V to 15V, allowing flexibility in various applications.
3. High Output Current: Capable of sourcing or sinking up to 100mA, suitable for driving LEDs or other loads directly.
4. Precision Timing: Offers improved accuracy and stability over temperature variations, suitable for timing or oscillator applications.
5. Astable and Monostable Operation: Can be configured easily for both modes, supporting a wide range of functions like pulse generation, timer delays, and oscillation.
6. Reduced Pin Count: Available in an 8-pin DIP package, simplifying integration into circuits.
7. Improved Frequency Performance: Operates well at frequencies up to 3MHz, providing more versatility for high-speed applications.
These features make the LMC555CN an excellent choice for applications demanding reliable, low-power, and versatile timing solutions.

Pinout

The LMC555CN is an 8-pin DIP (Dual In-line Package) version of the 555 timer IC, which is used for generating precise time delays or oscillation. Below are the pin functions and their respective numbers:
1. Ground (GND) - Pin 1: Connects to the negative supply voltage or ground.
2. Trigger - Pin 2: A low voltage on this pin initiates the timing interval by setting the flip-flop.
3. Output - Pin 3: Provides the timer's output signal.
4. Reset - Pin 4: Resets the timing interval when held low. If not used, connect to VCC for normal operation.
5. Control Voltage - Pin 5: Allows external control of the threshold voltage, usually tied to ground via a capacitor to stabilize.
6. Threshold - Pin 6: Monitors the voltage across the timing capacitor and resets the flip-flop when the voltage exceeds 2/3 VCC.
7. Discharge - Pin 7: Discharges the timing capacitor when the output is low.
8. VCC - Pin 8: Connects to the positive supply voltage.
The LMC555CN is used in a variety of applications such as timers, pulse generation, and oscillator circuits.

Manufacturer

The LMC555CN is a variant of the 555 timer integrated circuit, manufactured by Texas Instruments (TI). Texas Instruments is a major American technology company known for designing and manufacturing semiconductors and various integrated circuits, which are used in a wide array of electronic devices and applications. TI is particularly notable for its innovations in analog technology, embedded processing, and education technology. The company provides solutions that are integral to the functioning of electronics in sectors such as automotive, industrial, personal electronics, communications equipment, and enterprise systems.

Application

The LMC555CN is a precision timer IC used in various applications including:
1. Astable Multivibrator: Used in generating square wave signals for clocks, pulse width modulation, and blinking lights.
2. Monostable Multivibrator: Ideal for pulse generation, timers, and delay circuits.
3. Frequency Divider: Used to reduce the frequency of input signals in digital circuits.
4. Tone Generation: Useful in creating audio tones for alarms and sound effects.
5. PWM Controllers: Employed in controlling motor speed and LED brightness.
6. Time Delay Circuits: Used in creating precise time delays for various electronics applications.
These applications leverage the LMC555CN's versatility, low power consumption, and reliability.

Package

The LMC555CN is a CMOS-based timer IC housed in an 8-pin PDIP (Plastic Dual In-line Package).

Frequently Asked Questions


Q: What is the maximum operating frequency of the LMC555CN?
A: The LMC555CN can operate at a maximum frequency of 3MHz, suitable for precise timing and oscillator applications.


Q: Can this timer operate with a single low-voltage power supply?
A: Yes, it supports a supply voltage range from 1.5V to 15V, making it ideal for battery-powered designs.


Q: What is the typical current consumption of the LMC555CN?
A: The device draws a typical supply current of only 150 μA, ensuring low power operation.


Q: Is the LMC555CN suitable for through-hole PCB assembly?
A: Yes, it comes in an 8-DIP (0.300") through-hole package (8-PDIP) for easy manual or wave soldering.


Q: What is the operating temperature range for this timer?
A: It can operate reliably in industrial environments from -40°C to +85°C.


Produkte, die mit LMC555CN zusammenhängen