Device for generating a signal for one-bit masking at the time o

Details Device for generating a signal for one-bit masking at the time o Device for generating a signal for one-bit masking at the time o

1990-06-15

1991-12-10

Malzahn, David M.

Communications: electrical

Digital comparator systems

G06F 704

Patent

active

050722077

ABSTRACT:
This device includes a control signal generator receiving as input a clock signal whose active front is synchronous with the bits of the mesh, and a reinitialization signal before each comparison, and whose group of outputs is connected to a parallel-series converter receiving as input the reference in parallel form from a programmable reference generator receiving as input an initial reference and a signal of variable level depending on the time, this reference generator being adapted to deliver a programmed reference depending on the desired bit maskings, the output of the parallel-series converter delivering a signal representative of the selected bit of the reference and being connected to the input of means of detection of transition of the output signal of the converter and of generation of a signal for inhibiting the current processing of a bit in response to the detection of a transition in this signal.

REFERENCES:
patent: 3784980 (1974-01-01), Geesen
patent: 4752763 (1988-06-01), Hoffman
patent: 4812809 (1989-03-01), O'Leary et al.
patent: 4933662 (1990-06-01), Szczepanek
patent: 4958140 (1990-09-01), Yasuda et al.
IBM Technical Disclosure Bulletin, vol. 23, No. 5, Oct. 1980, pp. 2032-2033, "Comparison Circuit", H. M. Buettner et al.

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