Interconnect circuit for data transmission in an integrated...

Details Interconnect circuit for data transmission in an integrated... Interconnect circuit for data transmission in an integrated...

2005-02-08

2005-02-08

Chin, Stephen (Department: 2634)

Pulse or digital communications

Repeaters

Ring or star configuration

C709S235000

Reexamination Certificate

active

06853679

ABSTRACT:
An interconnect circuit transmits data signals from a first terminal to a second terminal through a data line having a plurality of data driving circuits capable of temporarily interrupting or reestablishing data transmission in a portion of the data line responsive to congestion signals which propagate along a congestion line in a direction opposite the direction of data signal transmission. The congestion signals may be indicative of the status of the second terminal, where a first congestion signal may indicate the second terminal is not receiving data and a second congestion signal may indicate the second terminal is receiving data. Different types of data driving circuits may be cascade-connected in an alternating fashion and may be adapted to interrupt or to reestablish data transmission in sequence starting from the data driving circuit nearest the second terminal of the interconnect and continuing in the direction of the first terminal. The speed with which the first congestion signal and the speed with which the second congestion signal propagate along the congestion line may or may not be equal.

REFERENCES:
patent: 5457687 (1995-10-01), Newman
patent: 5845072 (1998-12-01), Finney et al.
patent: 5907485 (1999-05-01), Van Loo et al.
patent: 5914887 (1999-06-01), Scepanovic et al.
patent: 5958030 (1999-09-01), Kwa
patent: 5963975 (1999-10-01), Boyle et al.
patent: 6016063 (2000-01-01), Trimberger
patent: 6438107 (2002-08-01), Somiya et al.

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