m58lt256jsb STMicroelectronics, m58lt256jsb Datasheet - Page 9

• Manufacturer Part Number: m58lt256jsb
• Description: 256 Mbit 16 Mb 16, Multiple Bank, Multilevel, Burst 1.8 V Supply, Secure Flash Memories
• Manufacturer: STMicroelectronics

M58LT256JST, M58LT256JSB
The device includes 17 Protection Registers and 2 Protection Register locks, one for the first
Protection Register and the other for the 16 OTP (one-time-programmable) 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 ST, and a 64 bit segment OTP by
the user. The user programmable segment can be permanently protected.
the Protection Register Memory map.
The M58LT256JST/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 STMicroelectronics.
The M58LT256JST/B are offered in a TBGA64, 10 × 13 mm, 1 mm pitch package, and are
supplied with all the bits erased (set to ’1’).
Figure 1.
Logic diagram
A0-A23
RP
W
G
E
K
L
V DD
M58LT256JSB
M58LT256JST
V SS
V DDQ V PP
V SSQ
16
WAIT
DQ0-DQ15
AI13299
Figure
Description
4, shows
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