Digital integrated circuits

Details Digital integrated circuits Digital integrated circuits

1986-07-07

1988-03-08

Smith, Jerry

Excavating

371 15, 324 73R, G01R 3128

Patent

active

047303174

ABSTRACT:
A digital integrated circuit is described in which the internal registers are organized into a number of serial shift paths to facilitate testing. Each path has a number of modes; USER, HOLD, SHIFT and SELF-TEST modes. Shifting of a path is achieved by putting the path into HOLD mode and then, at each of a series of transfer pulses (TR), putting the path into shift mode for one clock beat. This allows the shifting to be performed at a lower rate than the internal clock rate of the chip; in particular, it can be performed at a rate compatible with a relatively slow diagnostic processor.

REFERENCES:
patent: 4317200 (1982-02-01), Wakatsuki
patent: 4567593 (1986-01-01), Bashaw
patent: 4575674 (1986-03-01), Bass
patent: 4597042 (1986-06-01), d'Angeac
patent: 4635261 (1987-01-01), Anderson

Affiliated with

Also associated with

Rating

Digital integrated circuits does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Digital integrated circuits, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Digital integrated circuits will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-234337