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M29F400T-70N1R Datasheet(PDF) 1 Page - STMicroelectronics

Part # M29F400T-70N1R
Description  4 Mbit 512Kb x8 or 256Kb x16, Boot Block Single Supply Flash Memory
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M29F400T-70N1R Datasheet(HTML) 1 Page - STMicroelectronics

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AI01726B
18
A0-A17
W
DQ0-DQ14
VCC
M29F400T
M29F400B
E
VSS
15
G
RP
DQ15A–1
BYTE
RB
Figure 1. Logic Diagram
M29F400T
M29F400B
4 Mbit (512Kb x8 or 256Kb x16, Boot Block)
Single Supply Flash Memory
NOT FOR NEW DESIGN
M29F400T and M29F400B are replaced
respectively by the M29F400BT and
M29F400BB
5V
±10% SUPPLY VOLTAGE for PROGRAM,
ERASE and READ OPERATIONS
FAST ACCESS TIME: 55ns
FAST PROGRAMMING TIME
–10
µs by Byte / 16µs by Word typical
PROGRAM/ERASE CONTROLLER (P/E.C.)
– Program Byte-by-Byte or Word-by-Word
– Status Register bits and Ready/Busy Output
MEMORY BLOCKS
– Boot Block (Top or Bottom location)
– Parameter and Main blocks
BLOCK, MULTI-BLOCK and CHIP ERASE
MULTI-BLOCK PROTECTION/TEMPORARY
UNPROTECTION MODES
ERASE SUSPEND and RESUME MODES
– Read and Program another Block during
Erase Suspend
LOW POWER CONSUMPTION
– Stand-by and Automatic Stand-by
100,000 PROGRAM/ERASE CYCLES per
BLOCK
20 YEARS DATA RETENTION
– Defectivity below 1ppm/year
ELECTRONIC SIGNATURE
– Manufacturer Code: 0020h
– Device Code, M29F400T: 00D5h
– Device Code, M29F400B: 00D6h
DESCRIPTION
The M29F400 is a non-volatile memory that may
be erased electrically at the block or chip level and
programmed in-system on a Byte-by-Byte or Word-
by-Word basis using only a single 5V VCC supply.
For Program and Erase operations the necessary
high voltages are generated internally. The device
can also be programmed in standard program-
mers.
The array matrix organisation allows each block to
be erased and reprogrammed without affecting
other blocks. Blocks can be protected against pro-
November 1999
1/34
This is information on a product stil l in production but not recommended fo r new designs.
44
1
SO44 (M)
TSOP48 (N)
12 x 20 mm


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