TTL logic circuit employing feedback to improved the speed-power

Details TTL logic circuit employing feedback to improved the speed-power TTL logic circuit employing feedback to improved the speed-power

1982-12-23

1985-06-04

Miller, Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307443, 307299A, H03K 19003, H03K 19088

Patent

active

045217009

ABSTRACT:
Disclosed is the addition of passive feedback to a prior art T.sup.2 L circuit. The T.sup.2 L circuit with feedback, in accordance with the invention, has a lower power dissipation while retaining noise immunity and small gate delay. The additional resistor required for the feedback T.sup.2 L circuit, in accordance with the invention, can be incorporated into the T.sup.2 L cell without increasing the cell size. The feedback T.sup.2 L circuit, in accordance with the invention, lends itself to the addition of an integrated direct-coupled inverter (DCI) function. The feedback T.sup.2 L circuit, in accordance with the invention, permits more function to be placed on an integrated circuit semiconductor chip while maintaining gate performance and adherence to power restrictions.

REFERENCES:
patent: 3473047 (1969-10-01), Bohn et al.
patent: 3629609 (1971-12-01), Pederson et al.
patent: 3676713 (1972-07-01), Wiedmann
patent: 3693032 (1972-09-01), Winnard
patent: 4069428 (1978-01-01), Reedy

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