Description
M58LT128HST, M58LT128HSB
The device includes 17 Protection Registers and 2 Protection Register locks, one for the first
Protection Register and the other for the 16 one-time-programmable (OTP) Protection
Registers of 128 bits each. The first Protection Register is divided into two segments: a 64
bit segment containing a unique device number written by Numonyx, and a 64 bit segment
OTP by the user. The user programmable segment can be permanently protected. Figure 4,
shows the Protection Register memory map.
The M58LT128HST/B also has a full set of software security features that are not described
in this datasheet, but are documented in a dedicated application note. For further
information, please contact Numonyx.
The M58LT128HST/B are offered in a TBGA64, 10 × 13 mm, 1 mm pitch package. They are
supplied with all the bits erased (set to ’1’).
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NUMONYX [ NUMONYX B.V ]
