Buffer circuits with changeable drive characteristic

Details Buffer circuits with changeable drive characteristic Buffer circuits with changeable drive characteristic

1997-01-03

1998-10-13

Callahan, Timothy P.

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Current driver

326 87, H03B 100

Patent

active

058217835

ABSTRACT:
A buffer circuit according to the present invention includes an input terminal for inputting an input signal, an inverter circuit for inverting the input signal and outputting the inverted input signal to an output terminal, wherein the inverter circuit has a plurality of PMOS transistors and a plurality of NMOS transistors; each of the plurality of PMOS transistors has a source connected to a power source, a drain connected to the output terminal, and a gate connected to the input terminal; each of the plurality of NMOS transistors has a source connected to a ground, a drain connected to the output terminal, and a gate connected to the input terminal; and the gate of at least one of the plurality of PMOS transistors and NMOS transistors is connected to the input terminal via a fuse element which can be selectively disconnected.

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