Static information storage and retrieval – Plural shift register memory devices
Patent
1983-08-31
1986-05-27
Moffitt, James W.
Static information storage and retrieval
Plural shift register memory devices
365189, G11C 1928, G11C 700
Patent
active
045920192
ABSTRACT:
There is disclosed a modular memory cell structure including a data latch, an occupancy bit latch and control logic. Each memory cell has access to the occupancy bit status of adjacent cells and to the input, output, control, and status busses. The occupancy status provides positional address information enabling each cell to determine if data in its data latch is the first, intermediate, or last element of a data queue. When a group of memory cells and an initialization circuit are interconnected, a modular integrated circuit design results which can function as either a first in-first out (FIFO) or a last in-first out (LIFO) memory.
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Nordquist et al., "A Novel Rotate and Shift Circuit Using Bidirectional Gates", IEEE Transactions on Computers, vol. C-19, No. 9, Sep. 1970, pp. 802-808.
Huang Alan
O'Neill Jay H.
AT&T Bell Laboratories
Caccuro John A.
Gossage Glenn A.
Moffitt James W.
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