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M29F160BT Datasheet(PDF) 3 Page - STMicroelectronics

Part No. M29F160BT
Description  16 Mbit 2Mb x8 or 1Mb x16, Boot Block Single Supply Flash Memory
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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M29F160BT Datasheet(HTML) 3 Page - STMicroelectronics

 
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M29F160BT, M29F160BB
SUMMARY DESCRIPTION
The M29F160B is a 16Mbit (2Mb x8 or 1Mb x16)
non-volatile memory that can be read, erased and
reprogrammed. These operations can be per-
formed using a single 5V supply. On power-up the
memory defaults to its Read mode where it can be
read in the same way as a ROM or EPROM.
The memory is divided into blocks that can be
erased independently so it is possible to preserve
valid data while old data is erased. Each block can
be protected independently to prevent accidental
Program or Erase commands from modifying the
memory. Program and Erase commands are writ-
ten to the Command Interface of the memory. An
on-chip Program/Erase Controller simplifies the
process of programming or erasing the memory by
taking care of all of the special operations that are
required to update the memory contents. The end
of a program or erase operation can be detected
and any error conditions identified. The command
set required to control the memory is consistent
with JEDEC standards.
The blocks in the memory are asymmetrically ar-
ranged, see Tables 3 and 4, Block Addresses. The
first or last 64 Kbytes have been divided into four
additional blocks. The 16 Kbyte Boot Block can be
used for small initialization code to start the micro-
processor, the two 8 Kbyte Parameter Blocks can
be used for parameter storage and the remaining
32K is a small Main Block where the application
may be stored.
Chip Enable, Output Enable and Write Enable sig-
nals control the bus operation of the memory.
They allow simple connection to most micropro-
cessors, often without additional logic.
The memory is offered in a TSOP48 (12 x 20mm)
package and it is supplied with all the bits erased
(set to ’1’).


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