M29W640GB NUMONYX [Numonyx B.V], M29W640GB Datasheet - Page 33

• Manufacturer Part Number: M29W640GB
• Description: 64 Mbit (8Mb x8 or 4Mb x16, Page) 3V supply Flash memory
• Manufacturer: NUMONYX [Numonyx B.V]

M29W640GH, M29W640GL, M29W640GT, M29W640GB
4.3.3
Block Protect and Chip Unprotect commands
Groups of blocks can be protected against accidental Program or Erase. The Protection
Groups are shown in
M29W640GT
can be unprotected to allow the data inside the blocks to be changed.
Block Protect and Chip Unprotect operations are described in
and
Table 29: Bottom boot block addresses,
Appendix A: Block
addresses,
Table 28: Top boot block addresses,
M29W640GB. The whole chip
: Revision
Command Interface
history.
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