Static RAM for differential power analysis resistance
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United States of America Patent
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Feb 6, 2018
Issued Date -
N/A
app pub date -
Feb 21, 2017
filing date -
Feb 23, 2016
priority date (Note) -
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Abstract
The present invention discloses a static RAM for defensive differential power consumption analysis, comprising a replica bit-line circuit, a decoder, an address latch circuit, a clock circuit, n-bit memory arrays, n-bit data selectors, n-bit input circuit and n-bit output circuits; the output circuits comprises a sensitivity amplifier and a data latch circuit; the 1st PMOS tube, the 2nd PMOS tube, the 3rd PMOS tube, the 4th PMOS tube, the 5th PMOS tube, the 6th PMOS tube, the 7th PMOS tube, the 1st NMOS tube, the 2nd NMOS tube, the 3rd NMOS tube, the 4th NMOS tube and the 5th NMOS tube constitute the sensitivity amplifier; two NOR gates, the 8th PMOS tube, the 9th PMOS tube, the 10th PMOS tube, the 11th PMOS tube, the 6th NMOS tube, the 7th NMOS tube, the 8th NMOS tube, the 9th NMOS tube and the 10th NMOS tube constitute the data latch circuit; the present invention is characterized in that energy consumption in each working cycle is basically identical, which is provided with higher capability in defense of differential power analysis.
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