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Flip-flop circuit

A flip-flop and circuit technology, applied to electrical components, generating electric pulses, pulse technology, etc., can solve problems such as transistor damage and low rated voltage

Pending Publication Date: 2019-12-27
REALTEK SEMICON CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the rated voltage of the advanced CMOS process is getting lower and lower, so the traditional CMOS Schmitt trigger (Schmitt trigger) circuit faces the problem that the power supply voltage is higher than the rated voltage and the transistor is damaged

Method used

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Embodiment Construction

[0011] Certain terms are used in the specification and following claims to refer to particular elements. It should be understood by those skilled in the art that hardware manufacturers may use different terms to refer to the same component. This description and the subsequent claims do not use the difference in name as the way to distinguish components, but use the difference in function of the components as the criterion for distinguishing. The "comprising" mentioned throughout the specification and subsequent claims is an open term, so it should be interpreted as "including but not limited to". In addition, the word "coupling" here includes any direct and indirect electrical connection means. Therefore, if it is described in the text that a first device is coupled to a second device, it means that the first device can be directly electrically connected to the The second device, or indirectly electrically connected to the second device through other devices or connection mea...

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PUM

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Abstract

A flip-flop circuit comprises an input end, an output end, a control circuit and a logic circuit. The control circuit is coupled to the input end and the output end. The control circuit receives an input voltage from the input end and receives an output voltage from the output end, and the control circuit generates a plurality of reference voltages at least according to the input voltage and the output voltage. The logic circuit is coupled to the control circuit and the output end. When the input voltage is converted from a first voltage value to a second voltage value, the control circuit controls the logic circuit through the plurality of reference voltages to convert the output voltage from the second voltage value to the first voltage value.

Description

technical field [0001] The invention belongs to the field of electronic circuits, in particular to a flip-flop circuit with protective measures. Background technique [0002] With the rapid development of Complementary Metal-Oxide-Semiconductor (CMOS) technology, the size of transistors is continuously reduced to reduce chip area, thereby increasing operation speed and saving power consumption. However, as the size of the transistor continues to shrink, the gate oxide layer and the transistor channel also continue to shrink, and the maximum allowable cross-voltage across any two terminals of the transistor electrodes (gate, drain, source, and base) decreases accordingly. If the voltage difference between any two terminals of a transistor is greater than the nominal voltage, the transistor will be damaged. At present, the rated voltage of the advanced CMOS process is getting lower and lower, so the traditional CMOS Schmitt trigger (Schmitt trigger) circuit faces the problem ...

Claims

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Application Information

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IPC IPC(8): H03K3/353
CPCH03K3/353
Inventor 徐薪承曹太和林柏青
Owner REALTEK SEMICON CORP