Low power logic circuit with storage charge control for fast swi

Details Low power logic circuit with storage charge control for fast swi Low power logic circuit with storage charge control for fast swi

1985-04-04

1986-12-02

Anagnos, Larry N.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307456, 307460, 307300, 307255, H03K 19013, H03K 19084

Patent

active

046267107

ABSTRACT:
A bipolar logic circuit with superior speed/power characteristics is described. Circuit operation is based on a unique dynamic minority carrier charge exchange mechanism between the input diodes performing the logic and the oppositely poled level shift diode(s) at the input of the transistor output stage. To accomplish this, the input or logic diodes as well as the level shift diode(s) are laid out as large .tau..sub.s diodes with .tau..sub.s being the minority carrier charge storage time constant. Thus, despite very small dc currents during static operation (resulting in an extremely small dc power dissipation) high dynamic switching currents for turning-off as well as for turning-on the output transistors are achieved.

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Gani et al., "Compatible Circuits Implemented in DDL and TTL Technology"; IBM-TDB; vol. 26, No. 5, pp. 2351-2353; 10/1983.
Analysis and Design of Integrated Circuits by D. K. Lynn et al., McGraw-Hill 1967, pp. 246-258.
Circuit Design for Integrated Electronics, by H. R. Camenzind, Addison-Wesley Publishing Company, 1968, pp. 150, 151.
Electronics, Mar. 6, 1967, pp. 149-157 "Integrated Circuits in Action: Part 5 in Search of the Ideal Logic Scheme" by Donald Christiansen.

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