ECL PROM programming method and apparatus using ECL addressing m

Details ECL PROM programming method and apparatus using ECL addressing m ECL PROM programming method and apparatus using ECL addressing m

1986-07-31

1989-12-12

Hecker, Stuart N.

Static information storage and retrieval

Addressing

Particular decoder or driver circuit

36523008, 36518905, 36518908, 365 96, 365175, G11C 800, G11C 700, G11C 1700, G11C 1136

Patent

active

048872415

ABSTRACT:
An apparatus for programming an ECL PROM comprises conventional ECL row and column address circuits for selecting a particular fuse in the ECL PROM. The selection of a particular fuse in the ECL PROM generates a control signal in the address decoders corresponding thereto which enables a current drive gate and a current sink gate coupled thereto. A row program control circuit and a column program circuit are then enabled by an increase of potential applied thereto for turning on the current drive gate and the current sink gate coupled to the selected fuse. The turning on of the current drive gate and the current sink gate coupled to the selected fuse causes 50 to 10 milliamps to flow through the selected fuse, blowing the fuse.

REFERENCES:
patent: 3976983 (1976-08-01), Moussie
patent: 4125880 (1978-11-01), Taylor
patent: 4656606 (1987-04-01), Ohno et al.
patent: 4701636 (1987-10-01), Millhollan et al.
patent: 4722822 (1988-02-01), Thai et al.

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