High speed differential output driver with common reference

Electronic digital logic circuitry – Interface – Current driving

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

326 80, 326 84, H03K 190175, H03K 19094

Patent

active

057676984

ABSTRACT:
A plurality of high speed differential output drivers are coupled to a reference current generator such that each output driver receives a substantially identical copy of a reference current signal for controlling one or more operational parameters (e.g., the propagation delay or skew) of the output driver. Multiple copies of the reference current signal are generated within the same region of an integrated circuit chip, thereby minimizing any process variations within the chip that might cause variances between the individual copies of the reference current signal. Each differential output driver has a differential pair of transistors that are coupled to ground or supply voltage through a common mode resistor that controls the common mode component of the driver output independent of the voltage swing of the output.

REFERENCES:
patent: 4691127 (1987-09-01), Huizer
patent: 4999519 (1991-03-01), Kitsukawa et al.
patent: 5021682 (1991-06-01), Hobrecht
patent: 5105107 (1992-04-01), Wilcox
patent: 5144164 (1992-09-01), Sugimoto et al.
patent: 5216298 (1993-06-01), Ohba et al.
patent: 5394034 (1995-02-01), Becker et al.
patent: 5451898 (1995-09-01), Johnson
patent: 5534803 (1996-07-01), Correale, Jr. et al.
patent: 5568068 (1996-10-01), Ota et al.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

High speed differential output driver with common reference does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with High speed differential output driver with common reference, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and High speed differential output driver with common reference will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-1730111

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.