MAX6897AAZT+T

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The MAX6897AAZT+T is an advanced system reset supervisor and multi-voltage monitoring IC. It is part of a 5.4V Input Microprocessor Supervisory Circuit (MPU) suitable for microprocessor applications requiring real-time clock (RTC) and power-fail detection. This PMIC - Supervisors comes with active-high / active-low reset outputs, watchdog timeout reset, and three programmable reset timeout periods. It has a temperature range of -40 to +85 degrees Celsius, features an ultra-low power consumption (1μAh), and is available in a shrink small-outline (SOL) package.

The MAX6897AAZT+T employs a watchdog timer to generate a reset signal in response to any invalid microprocessor reset commands or events. The active-high output is held low upon reset, which can be used to drive other reset ICs like the MAX795RTC Supervisors. The active-low output is held high until the reset event occurs, allowing external systems to be triggered upon reset conditions.

Additional features of the MAX6897AAZT+T include an advanced power-fail detection, an adjustable slave reset timeout period, an adjustable supervisory reset timeout period, and a watchdog reset timeout period. The advanced power-fail circuit provides an adjustable trip point to detect voltage levels below a programmed threshold which triggers the active-low output to indicate the power failure. This feature can be used to shut down the system before power degradation affects its performance. The adjustable slave reset timeout interval allows for efficient power saving by having the device shut down automatically when inactive for a specified period of time.

The MAX6897AAZT+T also has an adjustable supervisory reset timeout period, which can be configured to cause periodic resets at predetermined intervals in order to periodically reset the system and prevent non-critical errors from occurring. The watchdog reset timeout period is adjustable and can be configured to reset the system if the watchdog timer is not reset within the specified period, ensuring that the microprocessor is always in a known safe state. The MAX6897AAZT+T also features a programmable interrupt, allowing the device to generate an interrupt signal when a certain pre-programmed event occurs.

The MAX6897AAZT+T is suitable for a wide range of applications such as embedded systems, industrial controllers, PCs and notebook computers, automotive systems, and other battery-operated systems. In addition, it is well-suited for monitoring the power supply of microcontrollers and other digital logic chips, and is designed to safely drive a reset (PSON) pin or other reset devices.

Overall, the MAX6897AAZT+T is a highly reliable, robust and feature-rich reset supervisor and multi-voltage monitoring IC. It provides an intuitive and powerful solution for protecting microprocessors and other sensitive components from non-critical faults. The specialized design and set of features make this PMIC - Supervisors a great choice when time sensitive reset capability and intelligent system management is required.

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