TECHNICAL FIELD

The present disclosure relates to the field of a semiconductor technology, and specifically relates to a dynamic control conversion circuit.

BACKGROUND

When designing an integrated circuit, people often encounter the situation that requires potential conversion of a voltage signal. For example, when the working voltage requirements are different, the voltage signal needs to be converted and adjusted in time. In the prior art, a conversion chip with a complex structure is generally used as an intermediate transmission circuit to realize potential conversion. However, the traditional conversion chip not only has a high production cost, but also occupies a large area, thereby seriously affecting the use performance of the integrated circuit.

SUMMARY

The present disclosure aims to provide a dynamic control conversion circuit so as to overcome, at least to a certain extent, the technical problems of complex circuit structure, high production cost, large occupied area, etc. due to the limitations and defects of related technologies.

According to an aspect of the present disclosure, a dynamic control conversion circuit is provided. The circuit includes:

a dynamic control unit configured to generate a dynamic control signal according to a received input signal;

a first semiconductor switch, a control terminal of the first semiconductor switch is connected with a first signal output terminal of the dynamic control unit, and a first terminal of the first semiconductor switch is connected with a first voltage terminal;

a second semiconductor switch, a control terminal of the second semiconductor switch is connected with a second signal output terminal of the dynamic control unit; and

a circuit output unit, a first control terminal of the circuit output unit is connected with a second terminal of the first semiconductor switch and a first terminal of the second semiconductor switch, and a second control terminal of the circuit output unit is connected with a second terminal of the second semiconductor switch and a third signal output terminal of the dynamic control unit.

In some exemplary embodiments of the present disclosure, based on the above technical solution, a potential of a power supply of the dynamic control unit is lower than a potential of the first voltage terminal.

In some exemplary embodiments of the present disclosure, based on the above technical solution, the second signal output terminal outputs a control signal which is as same as a control signal output by the first signal output terminal, and the third signal output terminal outputs a control signal which is different from the control signal output by the first signal output terminal.

In some exemplary embodiments of the present disclosure, based on the above technical solution, the circuit output unit includes:

a third semiconductor switch, a control terminal of the third semiconductor switch serves as the first control terminal of the circuit output unit, a first terminal of the third semiconductor switch is connected with a third voltage terminal, and a second terminal of the third semiconductor switch serves as an output terminal of the circuit output unit; and

a fourth semiconductor switch, a control terminal of the fourth semiconductor switch serves as the second control terminal of the circuit output unit, a first terminal of the fourth semiconductor switch is connected with a fourth voltage terminal, and a second terminal of the fourth semiconductor switch serves as the output terminal of the circuit output unit.

In some exemplary embodiments of the present disclosure, based on the above technical solution, the third voltage terminal and the first voltage terminal have a same potential, and the fourth voltage terminal is a grounding voltage terminal.

In some exemplary embodiments of the present disclosure, based on the above technical solution, the dynamic control unit includes:

an AND gate element, a first input terminal of the AND gate element is used for receiving an input reset signal, a second input terminal of the AND gate element is used for receiving an input control signal, and an output terminal of the AND gate element serves as the first signal output terminal and the second signal output terminal of the dynamic control unit; and

a NAND gate element, a first input terminal of the NAND gate element used for receiving receive the input reset signal, a second input terminal of the NAND gate element is used for receiving the input control signal, and an output terminal of the NAND gate element serves as the third signal output terminal of the dynamic control unit.

In some exemplary embodiments of the present disclosure, based on the above technical solution, the dynamic control unit may further include:

an inverter, an input terminal of the inverter is used for receiving the input reset signal, an output terminal of the inverter serves as a fourth signal output terminal of the dynamic control unit, and the fourth signal output terminal is connected with a third control terminal of the circuit output unit.

In some exemplary embodiments of the present disclosure, based on the above technical solution, the circuit output unit includes:

a third semiconductor switch, a control terminal of the third semiconductor switch serves as the first control terminal of the circuit output unit, a first terminal of the third semiconductor switch is connected with a third voltage terminal, and a second terminal of the third semiconductor switch serves as an output terminal of the circuit output unit;

a fourth semiconductor switch, a control terminal of the fourth semiconductor switch serves as the second control terminal of the circuit output unit, a first terminal of the fourth semiconductor switch is connected with the fourth voltage terminal, and a second terminal of the fourth semiconductor switch serves as the output terminal of the circuit output unit; and

a fifth semiconductor switch, a control terminal of the fifth semiconductor switch serves as the third control terminal of the circuit output unit, a first terminal of the fifth semiconductor switch is connected with a fifth voltage terminal, and a second terminal of the fifth semiconductor switch serves as the output terminal of the circuit output unit.

In some exemplary embodiments of the present disclosure, based on the above technical solution, the third voltage terminal and the first voltage terminal have a same potential, and the fourth voltage terminal and the fifth voltage terminal are grounding voltage terminals.

In some exemplary embodiments of the present disclosure, based on the above technical solution, the first terminal of the first semiconductor switch is connected to the first voltage terminal through a sixth semiconductor switch, a control terminal of the sixth semiconductor switch is connected with the output terminal of the circuit output unit, a first terminal of the sixth semiconductor switch is connected with the first voltage terminal, and a second terminal of the sixth semiconductor switch is connected with the first terminal of the first semiconductor switch.

In the technical solutions provided by the exemplary embodiments of the present disclosure, by configuring the first semiconductor switch and the second semiconductor switch capable of alternately switching states, the problem of switch competition can be effectively avoided, and the dynamic conversion control of potential signals can be realized only with a small area occupation and a very low production cost. Furthermore, the dynamic control conversion circuit has the characteristic of simple structure and can improve the stability and reliability of an integrated circuit.

It should be understood that the above general descriptions and detailed descriptions below are only exemplary and explanatory and not intended to limit the disclosure.

