The LTC1235CN#PBF is a sophisticated microprocessor supervisory circuit designed by Linear Technology to ensure the reliable operation of microprocessor systems. This integrated circuit provides a comprehensive suite of monitoring functions necessary for the smooth operation and protection of microprocessor-based systems.

Key Features

• Power Monitoring: The LTC1235CN#PBF offers precise power supply monitoring, ensuring that the microprocessor has a stable voltage supply. It includes a power fail warning to alert the system of impending power loss, allowing for safe shutdown procedures.
• Memory Backup: With a built-in battery backup switch, the device can automatically switch to a backup power source to maintain critical memory data during a power failure.
• Reset and Watchdog Functions: The device generates a reset output during power-up, power-down, and brownout conditions. Additionally, it features a watchdog timer to reset a microprocessor that becomes unresponsive or strays from normal operation.
• Automatic Restart: A versatile automatic restart function resets the microprocessor until normal operation is detected, enhancing system reliability.

Applications

The LTC1235CN#PBF is ideal for use in a variety of applications where microprocessor integrity is paramount. These include:

• Computers and computer peripherals
• Embedded systems
• Industrial controllers
• Automotive systems

Technical Specifications

The LTC1235CN#PBF operates over a wide voltage range and comes in a narrow 16-lead PDIP package. It is designed for robustness and reliability, with features such as:

• Supply Voltage Range: 4.5V to 5.5V
• Operating Temperature Range: 0°C to 70°C
• Low Supply Current: 50µA (typical)
• Reset Threshold Voltage: 4.65V (typical)

Quality and Reliability

Linear Technology is known for its commitment to quality, and the LTC1235CN#PBF is no exception. It is manufactured to the highest standards to ensure performance and reliability across its operational life. For systems that cannot afford to fail, the LTC1235CN#PBF provides the necessary protection and peace of mind.