Routing techniques to assure electrical integrity in datapath bl

Details Routing techniques to assure electrical integrity in datapath bl Routing techniques to assure electrical integrity in datapath bl

1997-01-09

1999-11-16

Stamber, Eric W.

39550011, G06F 1750

Patent

active

059872411

ABSTRACT:
Connection lines are routed within an integrated circuit. A first set of the connection lines are pre-routed. The first set of connection lines carry signals which have a higher likelihood of being influenced by crosstalk. The first set of connection lines are routed to tracks where minimal capacitive coupling will result. For example, this may be in a track immediately adjacent to a power line or a ground line. Alternatively, or in addition, this may be in a track between two empty tracks. After the first set of connection lines have been routed, a second set of connection lines are routed. The second set of connection lines carry signals which have a lower likelihood of being influenced by crosstalk. The second connection lines are routed to tracks which are not utilized by the first set of connection lines.

REFERENCES:
patent: 4593362 (1986-06-01), Bergeron et al.
patent: 5369596 (1994-11-01), Tokumaru
patent: 5508938 (1996-04-01), Wheeler
patent: 5666290 (1997-09-01), Li et al.
patent: 5724248 (1998-03-01), Ehlig
patent: 5847969 (1998-12-01), Miller et al.

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