Overview
The MC1455BDR2G is a highly stable monolithic timing circuit produced by onsemi. This component is designed to produce accurate time delays or oscillation and is capable of operating in both astable and monostable modes. It features additional terminals for triggering or resetting, making it versatile for various applications. The MC1455BDR2G is a direct replacement for NE555 timers and offers high temperature stability and adjustable duty cycle, making it suitable for a wide range of timing requirements.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Type | Timer Control | |
| No of Channels | 1 | |
| Supply Voltage-Max | 16 | V |
| Supply Current | 10 | mA |
| Number Of Timers | 1 | |
| Rated Power | 625 | mW |
| Operating Temp Range | -40°C to +85°C | |
| Storage Temperature Range | -65°C to +150°C | |
| Moisture Sensitivity Level | 1 | |
| Package Style | SOIC-8 | |
| Mounting Method | Surface Mount |
Key Features
- Direct Replacement for NE555 Timers
- Timing from Microseconds through Hours
- Operates in Both Astable and Monostable Modes
- Adjustable Duty Cycle
- High Current Output Can Source or Sink 200 mA
- Output Can Drive TTL
- Temperature Stability of 0.005% per °C
- Normally ON or Normally OFF Output
- Pb−Free Packages are Available
Applications
The MC1455BDR2G is versatile and can be used in various applications, including:
- Linear Voltage Ramp: In the monostable mode, the resistor can be replaced by a constant current source to provide a linear ramp voltage.
- Missing Pulse Detector: The timer can be used to detect missing pulses in a signal.
- General Timing Circuits: It can be used in both astable and monostable modes for timing requirements ranging from microseconds to hours.
- Automotive and Industrial Applications: The NCV prefix version is suitable for automotive and other applications requiring site and change control.
Q & A
- What is the operating voltage range of the MC1455BDR2G?
The operating voltage range is from 4.5V to 16V DC.
- What are the operating and storage temperature ranges for the MC1455BDR2G?
The operating temperature range is -40°C to +85°C, and the storage temperature range is -65°C to +150°C.
- Can the MC1455BDR2G be used in both astable and monostable modes?
Yes, the MC1455BDR2G can operate in both astable and monostable modes.
- What is the maximum current output of the MC1455BDR2G?
The output can source or sink up to 200 mA.
- Is the MC1455BDR2G a direct replacement for NE555 timers?
Yes, it is a direct replacement for NE555 timers.
- What is the temperature stability of the MC1455BDR2G?
The temperature stability is 0.005% per °C.
- Can the MC1455BDR2G drive TTL circuits?
Yes, the output can drive TTL circuits.
- What is the package style and mounting method of the MC1455BDR2G?
The package style is SOIC-8, and the mounting method is surface mount.
- Are Pb−Free packages available for the MC1455BDR2G?
Yes, Pb−Free packages are available.
- How is the time delay controlled in the monostable mode?
The time delay is precisely controlled by one external resistor and capacitor.
