Electronic arrays having thin film line drivers

Details Electronic arrays having thin film line drivers Electronic arrays having thin film line drivers

1986-08-22

1988-11-01

Yusko, Donald J.

Communications: electrical

Continuously variable indicating

With meter reading

340765, 340825810, G09G 334

Patent

active

047823402

ABSTRACT:
Fully integrated thin film electronic arrays including thin film line driver circuits and address decoding circuits are disclosed. Each line driver employs a two terminal thin film threshold switching device of the type exhibiting a negative resistance characteristic for very high speed, high current operation. The line drivers are particularly useful when driving address lines or other switched conductors in arrays having large capacitive loads or current requirements. The address decoding circuits are constructed from an array of thin film diodes configured as a plurality of AND logic gates, with the output of each AND gate providing the trigger signal to turn on a line driver circuit associated with a particular address line. Thin film structures used to implement the fully integrated arrays include diodes and threshold switches arranged as high density vertical devices in the form of multilayer mesa structures. An electronic memory array having a plurality of vertically arranged cells, with each cell provided with a thin film isolation diode and a thin film memory element, is also disclosed.

REFERENCES:
patent: 3392373 (1968-07-01), Rouzier
patent: 3445816 (1969-05-01), Polasek
patent: 3508203 (1970-04-01), Waaben
patent: 3714633 (1973-01-01), Epstein et al.
patent: 3715634 (1973-02-01), Oushinsky
patent: 4403217 (1983-09-01), Becker et al.
patent: 4447812 (1984-05-01), Soneda et al.
patent: 4545111 (1985-10-01), Johnson
patent: 4589733 (1986-05-01), Yaniv et al.
patent: 4731610 (1988-03-01), Baron et al.

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