Product Overview: LTC1232IS8

The LTC1232IS8 is a highly reliable microprocessor supervisory circuit designed and manufactured by Linear Technology. This component is engineered to maintain system integrity and prevent data corruption by monitoring the power supply and processor activity in microprocessor-based systems. With its compact SO-8 package, the LTC1232IS8 is an ideal choice for space-constrained applications.

Key Features

• Power Supply Monitoring: The LTC1232IS8 keeps a close watch on the supply voltage, providing a reset signal to the microprocessor during power-up, power-down, and brownout conditions. This ensures that the microprocessor starts in a known state.
• Processor Supervision: It includes a watchdog timer to monitor microprocessor activity. If the microprocessor fails to provide a periodic signal, the LTC1232IS8 generates a reset signal to restart the system, thus preventing a system hang or malfunction.
• Manual Reset Input: An external reset input allows for a manual reset, offering additional control and security for system maintenance or emergency interventions.
• Low Power Consumption: With its low power requirements, the LTC1232IS8 is suitable for power-sensitive applications, contributing to the overall energy efficiency of the system it is integrated into.

Applications

The LTC1232IS8 is versatile and can be used in a variety of applications, including:

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

Technical Specifications

Some of the technical specifications of the LTC1232IS8 include:

• Supply Voltage Range: 4.5V to 5.5V
• Operating Temperature Range: -40°C to 85°C
• Reset Threshold Voltage: Typically 4.65V at 25°C
• Watchdog Timer: 1.6s Timeout Period
• Reset Active Time: 200ms Minimum

The LTC1232IS8 from Linear Technology is a robust and essential component for ensuring the safe operation and management of microprocessor systems. Its integration into a system design helps to protect against unpredictable events such as power failures and processor malfunctions.