Method and apparatus for locating and improving race conditions

Details Method and apparatus for locating and improving race conditions Method and apparatus for locating and improving race conditions

1995-09-29

1998-10-06

Westin, Edward P.

Electronic digital logic circuitry

Clocking or synchronizing of logic stages or gates

326101, 326 21, 326269, 326263, 326293, 326297, H03K 1900

Patent

active

058182632

ABSTRACT:
An improved local clock driver for locating race conditions within a integrated digital circuit. Highly integrated digital circuits have many local circuits and each local circuit has a local clock driver. The local clock driver strengthens and distributes a clock signal within the local circuit. The improved local clock driver introduces a controllable delay circuit in all the local clock drivers of the digital integrated circuit. By selectively delaying each local clock driver, clock skew problems that cause race conditions can be located. To compensate for such race conditions caused by clock skew problems, the delay circuit can be turned on in the receiving local block circuit.

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Chen, John Y., "CMOS Devices and Technology for VLSI", copyright 1990 (no month available) by Prentice-Hall, Inc.; pp. 100-103.

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