S-80935CLPF-G65TFG

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The S-80935CLPF-G65TFG is a precision microprocessor (μP) supervisor designed with a fixed supply voltage monitor, a reset generator, and a power-fail detector. This versatile device can be used in supervisory application such as for CPU and SRAM reset control, power-fail alarm, and system reset at start-up or during power saving mode transition in personal computer, workstation, consumer electronics and other applications.In addition to its fixed voltage monitoring capability, the S-80935CLPF-G65TFG also provides adjustable threshold sensing and reset delaying that enable an application to be designed to limits defined by the user. The reset output can be kept in the active state for a fixed period (reset delay) after the power supply voltage has returned to within the valid range.

In general, the S-80935CLPF-G65TFG is typically used to provide a reset in order to maintain proper system operation or to alert a user if power fails or deviates outside a targeted threshold. When the device is powered up and the voltage of the power supply is stable, the device enters the normal operation mode. The precision circuit in the IC will output a low reset signal after the power down and then the master power IC or master reset IC or μP will be informed. When circuit detecting voltage detects that the voltage of the power supply is lower than the regulated threshold level, the reset signal will be sent out until the voltage of the power supply is higher than the threshold level.

The S-80935CLPF-G65TFG is designed to monitor the system’s power supply voltage. The device offers adjustable reset delay with a rising edge reset and reset active-low output. This adjustable delay enables the device to detect voltage fluctuations and respond accordingly for several timeframes. The normal operation voltage level for the S-80935CLPF-G65TFG is 4.63V to 5.5V. The device can also detect voltage deviation outside of this range and respond accordingly.

The working principle of the S-80935CLPF-G65TFG is based on the fact that it monitors the power supply voltage and can detect voltage deviation outside of the normal range. The device has a built-in precise voltage detector and a timer circuit, which will reset the system immediately when the power supply voltage drops below the specified threshold. When the power supply voltage exceeds the threshold, the device will delay the reset output to wait for a stable voltage. This delay time can be set by the external capacitor.

The S-80935CLPF-G65TFG can be applied in power system monitoring and protection, and reset control in personal computers, workstations, and consumer electronics. It is especially suitable for applications that require precise and faster reset control, such as memory management in computers and refresh control in SRAMs. It can also be used as an emergency power-off device and power-fail detector in applications where power failure or voltage fluctuation is expected.

In addition, the S-80935CLPF-G65TFG can be used as a reset controller for a microprocessor in order to ensure system sequence and to reset the system when the power-on reset sequence is broken. The device is designed to offer higher precision than devices with similar functions, which reduces system malfunction. In addition, the built-in timer circuit prevents power rail glitching from causing excessive reset pulses and provides an option for manual reset.

In conclusion, the S-80935CLPF-G65TFG is a versatile precision microprocessor supervisor designed to offer adjustable threshold sensing and reset delaying. Its range of applications can be applied in power system monitoring and protection, reset control in personal computers, workstations, and consumer electronics, as well as emergency power-off device and power-fail detector. By offering adjustable reset delay, the device can detect voltage fluctuations and respond accordingly for several timeframes in order to ensure system reliability and safety.

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