CPC G06F 12/1433 (2013.01) [G06F 12/1466 (2013.01); G06F 21/79 (2013.01); G11C 11/4074 (2013.01); G11C 17/16 (2013.01); G06F 3/0622 (2013.01); G06F 3/0637 (2013.01); G06F 12/14 (2013.01); G06F 12/1458 (2013.01); G06F 2212/1052 (2013.01)] | 20 Claims |
1. An apparatus comprising:
a memory array;
a fuse array configured to store a first access key;
peripheral circuitry coupled to the fuse array and the memory array, and configured to:
receive an access command corresponding to an access-controlled feature, wherein the access command includes a second access key;
retrieve, in response to receiving the access command, the first access key from the fuse array;
compare the first access key with the second access key; and
determine whether to permit or prohibit execution of the access command based on comparing the first access key with the second access key.
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