High-density low-power circuit for sustaining a precharge level

Details High-density low-power circuit for sustaining a precharge level High-density low-power circuit for sustaining a precharge level

1988-03-03

1989-08-15

Hudspeth, David

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307443, 307468, 307481, H03K 1716

Patent

active

048577677

ABSTRACT:
A high density pull-up circuit provides a sustaining pull-up voltage for a logic node such as, for example, a precharged column in a programmable logic array (PLA). The pull-up circuit employs a current source and a first current mirror circuit which in turn drives a plurality of second mirror transistors, each of the second mirror transistors being coupled between a positive supply voltage and one of the column lines of the PLA.

REFERENCES:
patent: 3823332 (1974-07-01), Feryszka et al.
patent: 4491741 (1985-01-01), Parker
patent: 4613772 (1986-09-01), Young
patent: 4645952 (1987-02-01), van Tran

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