Pipelined circuitry for allowing the comparison of the relative

Details Pipelined circuitry for allowing the comparison of the relative Pipelined circuitry for allowing the comparison of the relative

1990-10-18

1993-04-27

Cosimano, Edward R.

Boots, shoes, and leggings

36518901, G06F 1520

Patent

active

052068170

ABSTRACT:
A first-in, first-out (FIFO) memory includes flag generation circuitry which utilizes a write clock counter and a read clock counter to provide the number of write clock pulses received since the previous write reset signal and the number of read clock pulses received by the FIFO since the previous read reset signal. Specific flag values are user-programmable and are stored electronically as binary numbers in registers. The connection between individual subtractor circuits and individual comparator circuits for making a difference comparison is performed by a program select decoder which utilizes the difference output of the subtractor circuit and the flag program value. False flag information is filtered by a bi-stable de-glitch circuit which includes a delay path to emulate operation of the counter, subtractor and comparator. The magnitude comparator is programmed one count away from the desired flag transition point. The filtered flag output is updated at the onset of each blanking interval, thus making it representative of the current state of the FIFO.

REFERENCES:
patent: 4845633 (1989-07-01), Furtek
patent: 4864543 (1989-09-01), Ward et al.
patent: 4876466 (1989-10-01), Kondou et al.
patent: 4888739 (1989-12-01), Frederick et al.
patent: 4891788 (1990-01-01), Kreifels
patent: 4933840 (1990-06-01), Sera et al.
patent: 4935719 (1990-06-01), McClure
patent: 5084841 (1992-01-01), Williams et al.
patent: 5121346 (1992-06-01), McClure

Affiliated with

Also associated with

Rating

Pipelined circuitry for allowing the comparison of the relative does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Pipelined circuitry for allowing the comparison of the relative , we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Pipelined circuitry for allowing the comparison of the relative will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2332997