Capacitively coupled read-only memory

Details Capacitively coupled read-only memory Capacitively coupled read-only memory

1990-01-09

1991-05-28

Popek, Joseph A.

Static information storage and retrieval

Read only systems

Capacitative

365 94, 365140, 365210, G11C 1704, G11C 1124

Patent

active

050200259

ABSTRACT:
A read-only memory for storing a plurality of bits of information. The read-only memory includes a plurality of memory cells arranged in an array with each memory cell including a capacitor having either a relatively high capacitance or a relatively low capacitance representing a bit of stored information. The read-only memory further includes a reading means for accessing each memory cell and providing a first or second output responsive to the capacitance level of the memory cell capacitance means.

REFERENCES:
patent: 3461436 (1969-08-01), Navon et al.
patent: 3593319 (1971-07-01), Barber
patent: 3611321 (1971-10-01), Baer
patent: 3654499 (1972-04-01), Smith
patent: 3737874 (1973-06-01), Hess et al.
patent: 3827032 (1974-07-01), Abbott et al.
patent: 4301519 (1981-11-01), Lee
"Capacitor Read-Only Store", by S. W. Draper et al., IBM Technical Disclosure Bulletin, vol. 7, No. 12, May 1965.

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