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Abstract

A control unit of an SRAM memory for triggering an initialisation, selected from different possible distinct initialisation types, of at least one given group of SRAM memory cells of the SRAM memory, the control unit configured to adopt a “locked” operating mode, in which it triggers an initialisation of the given group of cells according to a “default” initialisation type corresponding to a first initialisation type from the different distinct initialisation types or an erasing, and holds at the output the “hard masking” command signal in the same given state as long as a particular so-called “unlocking” signal sequence is not received on the hard masking inputs, the control unit being further configured, subsequently to the reception of the particular so-called “unlocking” signal sequence, to enable the initialisation of the given group according to different initialisation types which may be distinct from the default initialisation.

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