Product-sum operation unit

Details Product-sum operation unit Product-sum operation unit

1993-02-05

1995-06-13

Mai, Tan V.

Boots, shoes, and leggings

364736, 395375, G06F 700

Patent

active

054249694

ABSTRACT:
A product-sum operation unit including a multiplying unit, a pipeline register for loading a multiplication result, an adder unit for adding a summand and either an output of the pipeline register or an addend. A timing signal generating unit generates first and second timing signals (T1, T2) that are synchronized with first and second clocks (CK1, CK2). A first instruction latch loads an instruction synchronously with the first timing signal (T1) to output a first control signal. A second instruction latch loads an instruction loaded in the first instruction latch synchronously with the second timing signal (T2) to output the second control signal. A control signal selector outputs the second control signal in response to the first timing signal (T1), and also outputs the first control signal to the adder unit, in response to the second timing signal (T2).

REFERENCES:
patent: 4755965 (1988-07-01), Mary et al.

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