CPC G11C 11/1673 (2013.01) [G11C 11/161 (2013.01); G11C 11/1657 (2013.01); H03K 19/1776 (2013.01)] | 20 Claims |
1. A device, comprising:
a physical unclonable function (PUF) cell array comprising a plurality of bit cells, and configured to generate a PUF response output, in response to a challenge input, based on a data state of one bit cell in the plurality of bit cells,
wherein each of the plurality of bit cells is configured to store a bit data and comprises:
a transistor having a control terminal coupled to a word line and a first terminal coupled to a source line;
a first memory cell having a first terminal coupled to a first data line and a second terminal coupled to a second terminal of the transistor; and
a second memory cell having a first terminal coupled to a second data line, different from the first data line, and a second terminal coupled to the second terminal of the first memory cell at the second terminal of the transistor.
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