Boots – shoes – and leggings
Patent
1986-10-16
1988-06-14
Eng, David Y.
Boots, shoes, and leggings
G06F 1300
Patent
active
047516712
ABSTRACT:
A size configurable data storage system that comprises a plurality of main storage buffers and a like plurality of input data buffers with the main storage buffers and input data buffers being interconnected by respective data busses. The data storage system is preferably a FIFO (first-in-first-out) system employing random access memories for storage. To accommodate different word width inputs to the input data buffers, there are provided a plurality of inter-bus buffers which individually intercouple between predetermined data busses. There is also provided a controller which includes an inter-bus buffer control circuit for controlling enabling of the inter-bus buffers in predetermined sets to enable at least one thereof when less than the full width of the main storage buffer is being entered. When a full width word is to be stored then all inter-bus buffers are inhibited providing direct data transfer from all input data buffers to the main storage buffers. The system controller also includes a main storage buffer select circuit for selectively enabling a pattern of main storage buffers under control of an input size control signal. Also included are output data latches which are brought into operation for the reading of data from the RAM storage buffers. Stored data is read out of the main storage buffers in full word widths and the data is then read out of the output data latches in individual word widths. Logic is also included for sensing when the FIFO is full or empty.
REFERENCES:
patent: 3228005 (1966-01-01), Delmege
patent: 4062059 (1977-12-01), Suzuki
patent: 4213177 (1980-07-01), Schmidt
patent: 4271466 (1981-06-01), Yamamoto
patent: 4447878 (1984-05-01), Kinnie et al.
Babetski William R.
Gilmore Michael T.
Eng David Y.
Prime Computer Inc.
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