CAT1161LI-25-G

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The CAT1161LI-25-G is a precision microprocessor supervisor integrated circuit from CAT Semiconductor. It is a member of the CAT1161 family of supervisors which offers innovative features to support a wide variety of processors and application requirements.

The CAT1161LI-25-G is a high-performance three-state supervisory circuit featuring one watchdog timer (WDT) and one overvoltage detector and one two-state supervisor. It is specifically designed to detect and reset microprocessor systems quickly and accurately and provides the necessary protection against system lock-up due to code and data corruption or runaway operations. This integrated circuit includes a high-accuracy voltage reference and temperature compensation, and is capable of monitoring voltage levels down to 2.8 volts.

The chip can be easily integrated into a host system by just two external connections, a reset output pin and a VDD supply pin. It supports both active high and active low reset signals and the VDD pin has an internal diode for wide supply voltage ranges. The CAT1161LI-25-G supports both three-state and two-state supervisor modes and requires no external components for reset and monitoring operations.

In three-state supervisor mode, the output pin is enabled for voltage monitoring and reset operations. The microprocessor can also be reset using either the WDT or the overvoltage detector. When the monitored voltage exceeds certain programmable limits, the output pin is pulled low to indicate a reset condition. The WDT is used to reset the system when an error condition occurs or the software operation is halted.

The CAT1161LI-25-G two-state supervisor mode is used when reset conditions must be detected or enforced quickly. This mode uses two output pins, one active-high and one active-low. When the monitored voltage exceeds certain programmable limits, the active-high pin is pulled high and the active-low pin is pulled low to indicate a reset condition. In both modes, the WDT is used to reset the system when an error condition occurs or the software operation is halted.

The CAT1161LI-25-G has built-in fail-safe motor shut-off and overvoltage protection. It is suitable for a wide range of applications including microprocessor-based systems, automotive systems, and automatic meters. The chip is well-suited for monitoring microcontroller and microprocessor systems, ensuring stability and reliability in automotive and industrial environments.

The CAT1161LI-25-G is designed to detect system failure or runaway operations and to quickly reset the microprocessor system. It is capable of detecting and resetting microprocessor systems quickly and accurately and provides a wide range of features to support a variety of processor and application requirements. The CAT1161LI-25-G is an excellent choice for a wide range of applications, such as automotive systems, industrial systems, and many others.

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