Controlled switching CMOS output buffer

Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons

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Details

307443, 307263, 307585, 307546, 323315, 330288, H03K 19003, H03K 19017, H03K 19094, H03K 1713

Patent

active

048189014

ABSTRACT:
An output buffer initially operating its output transistors in a constant current mode in response to an input signal transition and subsequently operating its output transistors in a constant voltage drive mode as the output approaches the desried output level. The control electrode of the output transistor is controlled by a switchable voltage divider or current mirror. The control of an output transistor may not be activated until the other output transistor is turned off to prevent having both output devices on at the same time.

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patent: 4717869 (1988-01-01), Koch et al.

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