Introducing the LTC1232CN8 Microprocessor Supervisory Circuit

The LTC1232CN8 is a cutting-edge microprocessor supervisory circuit designed and manufactured by Linear Technology, a company renowned for its high-performance analog integrated circuits. This device is engineered to enhance system reliability by monitoring the power supply and processor activity in microprocessor-based systems.

Key Features

• Precision Monitoring: The LTC1232CN8 provides precise power supply monitoring, ensuring that the microprocessor is reset to a known state during power-up, power-down, and brownout conditions.
• Automatic Reset Generation: Upon detection of out-of-tolerance power supply conditions, the device automatically issues a reset signal to the microprocessor, holding it in reset until conditions return to acceptable levels.
• Programmable Watchdog Timer: The built-in watchdog timer can be programmed by the user, serving as an additional layer of system reliability by monitoring the microprocessor's activity. If the microprocessor fails to provide a periodic signal, the LTC1232CN8 will trigger a system reset.
• Backup Battery Switchover: In the event of main power failure, the LTC1232CN8 seamlessly switches to a backup battery, ensuring uninterrupted operation and data retention.
• Low Power Consumption: Designed for power-sensitive applications, the LTC1232CN8 consumes minimal power, contributing to the overall energy efficiency of the system.

Technical Specifications

• Supply Voltage Range: 4.5V to 5.5V
• Operating Temperature Range: 0°C to 70°C
• Package Type: 8-Pin PDIP (Plastic Dual In-line Package)
• Reset Threshold Voltage: Precisely trimmed to 4.65V
• Reset Timeout: 200ms minimum
• Watchdog Timeout: 1.6s minimum

Applications

The LTC1232CN8 is ideal for use in a variety of applications where reliable microprocessor system operation is critical. It is commonly used in:

• Computers and Computer Peripherals
• Embedded Systems
• Industrial Controllers
• Portable/Battery-Powered Equipment

With its robust feature set and Linear Technology's commitment to quality, the LTC1232CN8 is an excellent choice for designers seeking a reliable supervisory solution for their microprocessor-based systems.