Recirculating memory with plural input-output taps

Details Recirculating memory with plural input-output taps Recirculating memory with plural input-output taps

1977-12-20

1978-12-05

Konick, Bernard

Static information storage and retrieval

Recirculation stores

307DIG5, 364900, 365183, 365236, G11C 2100, G11C 1928

Patent

active

041288793

ABSTRACT:
A CCD (charge coupled device) RAM (random access memory) includes a plurality of "rings" of serially connected CCDs in which digital information recirculates. A combinational decoder selects one of the plurality of rings by decoding a first group of binary address inputs. Each ring includes a plurality of input/output circuits coupled to associated "taps", each tap being coupled between an input and an output of a CCD regeneration cell. An address addition circuit includes a counter which counts at the same rate that data shifts through each of the rings and has a plurality of taps spaced at the same intervals (numbers of intervening CCD cells) as the taps in each of the rings. The counter outputs are decoded to provide a first internal address corresponding to the location of a fictitious tag bit in a ring with reference to an initial reference bit in a ring.

REFERENCES:
patent: 3141153 (1964-07-01), Klein
patent: 3760382 (1973-09-01), Itoh
patent: 3891977 (1975-06-01), Amelio et al.
patent: 3962689 (1976-06-01), Brunson
patent: 4027288 (1977-05-01), Barton et al.

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