Circuit element - cross-point between two bus lines

Details Circuit element - cross-point between two bus lines Circuit element - cross-point between two bus lines

1989-04-27

1991-07-16

Safourek, Benedict V.

Multiplex communications

Wide area network

Packet switching

370 941, H04J 302, H04J 324

Patent

active

050330454

ABSTRACT:
The cross-point is intended for ATD multiplexing digital information in the form of packets of fixed lengths between two buses (A-B and C-D); it is constituted by: a first shift register (RAB), a first buffer register (RTE), a RAM (MRAM), a second buffer register (RTS), a second shift register (RCD), and logic circuits constituted by decision units for packet extraction (DE) and insertion (DI), associated with decision Tables (TEX and TIN), and a management unit of the RAM (GM). Packet extractions and insertions are effected in an asynchronous manner relative to each other.

REFERENCES:
patent: 3890471 (1975-06-01), Hachenburg
patent: 4512011 (1985-04-01), Turner
patent: 4550402 (1985-10-01), Gable et al.
patent: 4597078 (1986-06-01), Kemph
patent: 4821258 (1989-04-01), Fraser
S. M. Price, "L'Am 90C644 Augmente les Performances des Systemes Graphiques . . . ", Electronique, Techniques, Industries, #31, Mar. 17, 1986, pp. 63-71.

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