XC6121C620MR-G

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The XC6121C620MR-G is a low voltage CMOS supervisory circuit designed for monitoring system power and reset initialization. This device functions as a combination watchdog timer, reset generator, and voltage detector and can be used in a variety of applications. As one of the members of the XC6121C family of micro-power supervisory ICs, it offers extended device options and compatibility with existing designs.

The XC6121C620MR-G is a CMOS technology based supervisory circuit that comes in a 6-pin SOT-23 package. It operates over a wide voltage range of 2V to 21V, while it is configured to provide a reset output of 2.8V when a power reset occurs. The reset output is open-drain and is capable of sinking up to 10mA. The built-in watchdog timer monitors the system performance and provides an intermittent reset pulse to prevent incorrect operations or stalls. Built-in voltage detector also monitors the system voltage and provides a reset output below a predetermined threshold.

The XC6121C620MR-G is designed to provide reliable system initialization and monitoring, thus making it ideal for a wide range of applications. These include power-on reset systems, system supervision and monitoring, reset logic generation, embedded controllers, systems with multiple power supply sources, power management and other power control applications. The device is highly reliable in a wide range of temperatures, from -40°C to +125°C.

XC6121C620MR-G is based on the supervisory circuit architecture and works on the principle of reset or power-on initialization. When the power supply is first started, the device is reset, and all of its internal registers are initialized to their default values. Afterwards, the device monitors the power status and generates a reset second output if appropriate. The watchdog timer monitors system performance and provides an intermittent reset pulse. The voltage monitor monitors the power supply voltage, and outputs a reset when it reaches a predetermined threshold. All features are controlled by two digital signals, one for the timer and one for the voltage monitor.

In summary, the XC6121C620MR-G is a precision designed supervisory circuit which is ideal for system reset, power management and other power control applications. It provides reliable system initialization, monitoring, and watch dog timer functions, that guarantee uninterrupted operations. The device operates over a wide voltage range of 2V to 21V and is highly reliable in a wide range of temperatures. It is available in a 6-pin SOT-23 package, which makes it easy to incorporate in existing designs.

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