Standard single timer in 8-pin CDIP rail format
Manufacturer： ['national-semiconductor', 'rochester', 'ti']
# Introduction to the LM555J/883 Product Series
## 1. Overview
The LM555J/883 is a highly versatile and reliable integrated circuit (IC) product series that belongs to the well - known 555 timer family. These timers have been a staple in the electronics industry for decades, and the LM555J/883 variant is specifically designed to meet the rigorous requirements of military and aerospace applications.
## 2. Key Features
### 2.1 High - Quality and Reliability
- **Military - Grade Standards**: The LM555J/883 is qualified to MIL - STD - 883 standards. This means it has undergone a series of strict testing procedures, including environmental stress screening, radiation testing, and other reliability tests. These tests ensure that the IC can operate reliably in harsh military and aerospace environments, such as extreme temperatures, high - altitude conditions, and exposure to radiation.
- **Long - Term Stability**: The device offers excellent long - term stability in its electrical characteristics. This is crucial for applications where consistent performance over an extended period is required, such as in long - duration space missions or military surveillance systems.
### 2.2 Wide Operating Range
- **Voltage Range**: It can operate over a wide supply voltage range, typically from 4.5V to 16V. This flexibility allows it to be used in various power supply configurations, making it suitable for different types of electronic systems.
- **Temperature Range**: The LM555J/883 is designed to operate in a wide temperature range, usually from - 55°C to + 125°C. This enables it to function properly in both extremely cold and hot environments, which are common in military and aerospace scenarios.
### 2.3 Multiple Operating Modes
- **Monostable Mode**: In monostable mode, the LM555J/883 acts as a one - shot pulse generator. When triggered, it produces a single output pulse of a precisely controlled width. This mode is useful in applications such as time - delay circuits, where a specific delay is required before a particular action is taken.
- **Astable Mode**: As an astable multivibrator, the device generates a continuous square - wave output. The frequency and duty cycle of the output waveform can be easily adjusted by external resistors and capacitors. This mode is commonly used in applications like oscillator circuits, clock generators, and signal - generation systems.
- **Bistable Mode**: In bistable mode, the LM555J/883 can be used as a flip - flop. It has two stable states, and the output can be toggled between these states by appropriate input signals. This mode is useful in applications where binary logic functions are required, such as in digital control systems.
### 2.4 Low Power Consumption
Despite its high - performance capabilities, the LM555J/883 consumes relatively low power. This is an important feature, especially in battery - powered military and aerospace applications, where power efficiency is crucial to extend the operating time of the system.
## 3. Technical Specifications
### 3.1 Electrical Characteristics
- **Output Current**: The device can source and sink a significant amount of current, typically up to 200mA. This allows it to directly drive a variety of loads, such as LEDs, relays, and small motors, without the need for additional buffer circuits in many cases.
- **Timing Accuracy**: The timing accuracy of the LM555J/883 is quite high. The time intervals in monostable and astable modes can be accurately controlled by external components, with a typical timing error of less than a few percent.
- **Input