Multiplexer with CMOS break-before-make circuit

Details Multiplexer with CMOS break-before-make circuit Multiplexer with CMOS break-before-make circuit

1997-06-13

1999-02-16

Callahan, Timothy P.

Miscellaneous active electrical nonlinear devices, circuits, and

Gating

Delay controlled switch

327399, 327400, 327410, 327409, H03K 1716, H03K 1776

Patent

active

058724770

ABSTRACT:
A multiplexer selectively connects one of first and second nodes to a third node. The multiplexer includes a first switch coupled between the first and third nodes, a second switch coupled between the second and third nodes, and a control input for receiving a signal to either open the first switch and close the second switch or open the second switch and close the first switch. Additionally, a delay circuit, coupled to the control input and the second switch, delays closure of the second switch until the first switch is open. In a preferred embodiment, the delay circuit includes two field-effect transistors having substantially different width-to-length ratios.

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