Reduction of noise and temperature variation in mixed-signal...

Details Reduction of noise and temperature variation in mixed-signal... Reduction of noise and temperature variation in mixed-signal...

2007-04-17

2007-04-17

Peugh, Brian R. (Department: 2187)

Electrical computers and digital processing systems: memory

Storage accessing and control

Control technique

C711S170000, C710S069000

Reexamination Certificate

active

10750518

ABSTRACT:
The present method reduces variations in noise and temperature in a mixed-signal circuit including memory. Memory electrically proximate an analog circuit is provided and a digital data word received at the memory. When the data word is not a desired data word, a dummy write to the memory is performed. When the data word is a desired data word, the data word is written to the memory. The mixed-signal circuit includes an analog circuit, memory electrically proximate to the analog circuit and connected to receive digital data words, and a memory controller connected to the memory. The memory controller is operable to cause the memory to write to the memory each of the data words that is a desired data word and additionally to perform a dummy write to memory for each of the data words that is not a desired data word.

REFERENCES:
patent: 5649160 (1997-07-01), Corry et al.
patent: 5793318 (1998-08-01), Jewett

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