The National Semiconductor (now Texas Instruments) LM555J/883Q is a precision timing integrated circuit capable of producing accurate time delays or oscillation. It is a highly versatile and stable device used in a wide variety of applications, including timers, pulse generators, and oscillators. The 883Q designation signifies that this part meets military-grade specifications for enhanced reliability and performance over a wider temperature range.
Applications
- Timers
- Pulse Generators
- Oscillators
- Sequential Timers
- Voltage Monitors
Features
- Timing from Microseconds to Hours: Wide range of timing capabilities.
- Astable or Monostable Operation: Can be configured for either free-running or single-shot timing.
- Adjustable Duty Cycle: The output pulse width can be precisely adjusted.
- High Output Current: Can drive a variety of loads.
- TTL Compatible Output: Interfaces directly with TTL logic circuits.
Benefits
- Versatility: Suitable for a wide range of timing applications.
- Accuracy: Provides precise and stable timing performance.
- Ease of Use: Simple to configure and implement in various circuits.
- Reliability: Offers robust and dependable operation.
- Cost-Effective: Provides a high-performance solution at a competitive price.
Specifications: The LM555J/883Q operates from a supply voltage range of 4.5V to 16V. The timing is determined by external resistors and a capacitor. The output can source or sink up to 200mA. The 883Q version operates over a temperature range of -55°C to +125°C, ensuring reliable performance in extreme environments. The trigger and reset inputs are TTL compatible. The device is available in an 8-pin ceramic DIP package.