Specifications
| Attribute | Value |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Type | 555 Type, Timer/Oscillator (Single) |
| Voltage-Supply | 4.5V ~ 16V |
| Current-Supply | 10 mA |
| OperatingTemperature | 0°C ~ 70°C |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
| SupplierDevicePackage | 8-SOIC |
Overview
Description
The MC1455DR2G is a precision timer IC produced by ON Semiconductor, similar to the well-known 555 timer. It is used in various timing applications, including monostable (one-shot) and astable (oscillator) configurations. The device operates on a voltage range typically from 4.5V to 16V, making it versatile for different power supply requirements.
Key features of the MC1455DR2G include high current output capability, adjustable duty cycles, and the ability to operate as a time delay generator. The timer's timing interval is controlled by external resistors and capacitors, allowing for flexibility in application design.
The MC1455DR2G is commonly used in applications such as pulse generation, waveform shaping, and as a delay element. Its robustness and reliability make it suitable for both educational and industrial applications. The "DR2G" in its designation specifies its packaging type, which is a surface-mount package. Overall, the MC1455DR2G is an essential component for engineers and hobbyists needing precise timing solutions.
Key features of the MC1455DR2G include high current output capability, adjustable duty cycles, and the ability to operate as a time delay generator. The timer's timing interval is controlled by external resistors and capacitors, allowing for flexibility in application design.
The MC1455DR2G is commonly used in applications such as pulse generation, waveform shaping, and as a delay element. Its robustness and reliability make it suitable for both educational and industrial applications. The "DR2G" in its designation specifies its packaging type, which is a surface-mount package. Overall, the MC1455DR2G is an essential component for engineers and hobbyists needing precise timing solutions.
Equivalent
The MC1455DR2G is a timer IC equivalent to the NE555, LM555, and TLC555. These are all variations of the 555 timer IC, known for their versatility in timing and oscillator applications. The NE555 is the standard version, the LM555 is often used for its low cost and wide availability, while the TLC555 is a CMOS version with lower power consumption. These equivalents are generally interchangeable in most applications, depending on specific performance criteria like power supply range and package type.
Features
The MC1455DR2G is a precision timer device, commonly known as a 555 timer IC. Key features include:
1. Functionality: It can be configured in astable or monostable modes, making it suitable for applications like pulse generation, timers, and oscillators.
2. Operating Voltage: It supports a wide voltage range from 4.5V to 16V, which enhances flexibility in different applications.
3. Timing Stability: The device offers high timing accuracy and stability due to its low power consumption and internal temperature compensation.
4. Output: Provides a high output source/sink current of up to 200 mA, driving various types of loads directly.
5. Package: The device is available in a standard SOIC-8 package for easy integration into various circuit designs.
6. Temperature Range: It operates over a wide temperature range, enhancing reliability in diverse environmental conditions.
7. Applications: Ideal for use in timing applications such as delay timers, pulse width modulation (PWM), and frequency division.
These features make the MC1455DR2G a versatile and reliable option for designing precise timing and waveform generation circuits.
1. Functionality: It can be configured in astable or monostable modes, making it suitable for applications like pulse generation, timers, and oscillators.
2. Operating Voltage: It supports a wide voltage range from 4.5V to 16V, which enhances flexibility in different applications.
3. Timing Stability: The device offers high timing accuracy and stability due to its low power consumption and internal temperature compensation.
4. Output: Provides a high output source/sink current of up to 200 mA, driving various types of loads directly.
5. Package: The device is available in a standard SOIC-8 package for easy integration into various circuit designs.
6. Temperature Range: It operates over a wide temperature range, enhancing reliability in diverse environmental conditions.
7. Applications: Ideal for use in timing applications such as delay timers, pulse width modulation (PWM), and frequency division.
These features make the MC1455DR2G a versatile and reliable option for designing precise timing and waveform generation circuits.
Pinout
The MC1455DR2G is a precision timer IC, commonly referred to as a 555 timer. It typically comes in an 8-pin package. Here is a brief overview of its pin functions:
1. Ground (Pin 1): Connects to the ground of the circuit.
2. Trigger (Pin 2): Responsible for triggering the timer; a low-to-high transition on this pin starts the timing interval.
3. Output (Pin 3): Provides the output signal, either high or low depending on the timing cycle.
4. Reset (Pin 4): Resets the timer when held low; normally connected to the power supply for standard operation.
5. Control Voltage (Pin 5): Allows setting of threshold voltage; usually connected to ground through a capacitor if not used.
6. Threshold (Pin 6): Compares voltage level of the timing capacitor to a reference voltage; helps in determining when to end the timing interval.
7. Discharge (Pin 7): Connects to the capacitor used for timing; discharges the capacitor when the output is low.
8. VCC (Pin 8): Connects to the positive supply voltage.
These pins facilitate the IC's operation as a monostable or astable multivibrator in various timing and oscillator applications.
1. Ground (Pin 1): Connects to the ground of the circuit.
2. Trigger (Pin 2): Responsible for triggering the timer; a low-to-high transition on this pin starts the timing interval.
3. Output (Pin 3): Provides the output signal, either high or low depending on the timing cycle.
4. Reset (Pin 4): Resets the timer when held low; normally connected to the power supply for standard operation.
5. Control Voltage (Pin 5): Allows setting of threshold voltage; usually connected to ground through a capacitor if not used.
6. Threshold (Pin 6): Compares voltage level of the timing capacitor to a reference voltage; helps in determining when to end the timing interval.
7. Discharge (Pin 7): Connects to the capacitor used for timing; discharges the capacitor when the output is low.
8. VCC (Pin 8): Connects to the positive supply voltage.
These pins facilitate the IC's operation as a monostable or astable multivibrator in various timing and oscillator applications.
Manufacturer
The MC1455DR2G is manufactured by ON Semiconductor. ON Semiconductor, now known as onsemi, is a leading semiconductor supplier that provides a wide range of semiconductor solutions. The company specializes in power and signal management, logic, discrete, and custom devices for applications in the automotive, industrial, cloud, and Internet of Things (IoT) markets. onsemi is known for its focus on energy-efficient innovations and sustainable solutions, catering to a diverse set of global customers to help them solve complex design challenges.
Application
The MC1455DR2G is a precision timer IC commonly used in various timing applications. Its primary application areas include:
1. Monostable Operation: Used in pulse generation and timing delay circuits.
2. Astable Operation: Functions as an oscillator for creating square waves in clock generation.
3. Sequential Timing: Employed in timing sequences for industrial control, consumer electronics, and automation systems.
4. Frequency Divider: Used in dividing frequencies in communication systems.
5. Pulse Width Modulation (PWM): Useful in motor speed control and LED brightness adjustment.
6. Tone Generation: Applied in audio and signal processing devices.
The versatility and reliability of the MC1455DR2G make it suitable for a wide range of electronic projects and commercial products.
1. Monostable Operation: Used in pulse generation and timing delay circuits.
2. Astable Operation: Functions as an oscillator for creating square waves in clock generation.
3. Sequential Timing: Employed in timing sequences for industrial control, consumer electronics, and automation systems.
4. Frequency Divider: Used in dividing frequencies in communication systems.
5. Pulse Width Modulation (PWM): Useful in motor speed control and LED brightness adjustment.
6. Tone Generation: Applied in audio and signal processing devices.
The versatility and reliability of the MC1455DR2G make it suitable for a wide range of electronic projects and commercial products.
Package
The MC1455DR2G is typically available in an SOIC-8 (Small Outline Integrated Circuit) package type. This package is a surface-mount device suitable for use in a variety of electronic applications where space conservation is important.
