MC1455DR2

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MC1455DR2

+Nomenclature

IC OSC SINGLE TIMER 8-SOIC

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Spécifications

Attribut Valeur
Supplier Rochester Electronics, LLC
Package Bulk
ProductStatus Obsolete
Type 555 Type, Timer/Oscillator (Single)
Current-Supply 10 mA
Package/Case 8-SOIC (0.154, 3.90mm Width)
SupplierDevicePackage 8-SOIC

Présentation

Description

The MC1455DR2 is a version of the classic 555 timer integrated circuit, manufactured by ON Semiconductor. It is a versatile IC used for timing applications, pulse generation, and oscillator functions. The device is packaged in a SOIC-8 surface-mount package, making it suitable for compact electronic designs.
Key features of the MC1455DR2 include its ability to operate in both monostable and astable modes, allowing it to function as a timer, delay generator, or pulse-width modulation controller. The IC operates over a wide voltage range, typically from 4.5V to 16V, and can source or sink up to 200 mA of output current.
Its notable specifications include an adjustable duty cycle, high output current capability, and precise timing intervals. The MC1455DR2 is widely used in applications such as LED flashers, tone generators, and frequency modulation circuits. Its robustness and reliability have made it a staple in both educational and industrial electronics projects.

Equivalent

The MC1455DR2 is a variant of the 555 timer IC. Equivalent products include the NE555, LM555, SE555, and TLC555. These are all versions of the 555 timer, offering similar functionalities but may vary slightly in electrical characteristics or packaging.

Features

The MC1455DR2 is a timer IC that features high precision for timing applications. It operates in both monostable and astable modes, making it versatile for generating precise time delays and oscillations. The device is highly stable with respect to temperature variations and power supply voltage changes, ensuring reliable performance. It offers adjustable duty cycles and can deliver output transitions with minimal propagation delay. The IC is capable of sourcing or sinking up to 200 mA, making it suitable for driving loads directly. It typically operates with a supply voltage range from 4.5V to 16V. Additional features include low standby current, adjustable timing from microseconds to hours, and compatibility with TTL and CMOS logic levels. The MC1455DR2 is packaged in a small surface-mount format, which is ideal for compact designs. It is widely used in applications such as waveform generation, pulse width modulation (PWM), and frequency division.

Pinout

The MC1455DR2 is a variant of the NE555 timer IC, housed in a surface-mount package. It typically comes in an 8-pin configuration. The functions of the pins are as follows:
1. GND (Pin 1): Ground reference voltage.
2. Trigger (Pin 2): Responsible for triggering the timer when it goes below 1/3 of the voltage supply.
3. Output (Pin 3): This pin outputs the result of the timer operation.
4. Reset (Pin 4): Resets the timer, active low.
5. Control Voltage (Pin 5): Allows control of the threshold and trigger levels.
6. Threshold (Pin 6): Compares the voltage with a reference to determine when to reset the output.
7. Discharge (Pin 7): Discharges the timing capacitor.
8. VCC (Pin 8): Positive supply voltage.
The MC1455DR2 can be used in various applications such as timing, pulse generation, and oscillation, similar to the standard 555 timer but in a smaller, surface-mount package suited for compact or automated circuit assembly.

Manufacturer

The MC1455DR2 is manufactured by ON Semiconductor. ON Semiconductor, now known as onsemi, is a prominent American company specializing in semiconductors and electronic components. It designs and supplies a wide range of products, including power and signal management, logic, discrete, and custom devices for various applications across automotive, communications, computing, consumer, industrial, LED lighting, medical, military/aerospace, and power applications. The company is known for its focus on energy-efficient innovations and providing solutions that help reduce global energy use.

Application

The MC1455DR2 is a precision timer IC, commonly used in various timing applications. Its application areas include:
1. Monostable Multivibrator: Used for generating precise time delays.
2. Astable Multivibrator: Functions as an oscillator for generating continuous square waves.
3. Pulse Width Modulation (PWM): Used in applications requiring control of output pulse width.
4. Frequency Divider: Helpful in dividing frequency for clock generation.
5. LED/Lamp Flashing: Used in light indicators and alert systems.
6. Tone Generation: Employed in audio applications for tone and sound generation.
7. Capacitive Touch Sensors: Used in simple touch-sensitive applications.
The MC1455DR2 is versatile and used widely in consumer electronics, industrial controls, and communication systems.

Package

The MC1455DR2 is a timer IC typically provided in a SOIC-8 (Small Outline Integrated Circuit with 8 pins) package. This surface-mount package is commonly used for compact electronic designs.

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