
STMicroelectronics
SUMMARY DESCRIPTION
The M29W320E is a 32 Mbit (4Mb x8 or 2Mb x16) non-volatile memory that can be read, erased and reprogrammed. These operations can be performed using a single low voltage (2.7 to 3.6V) supply. On power-up the memory defaults to its Read mode.
FEATURES SUMMARY
◾ SUPPLY VOLTAGE
– VCC = 2.7V to 3.6V for Program, Erase
and Read
– VPP =12V for Fast Program (optional)
◾ ACCESS TIMES: 70, 90ns
◾ PROGRAMMING TIME
– 10µs per Byte/Word typical
– Double Word/ Quadruple Byte Program
◾ MEMORY BLOCKS
– Memory Array: 63 Main Blocks
– 8 Parameter Blocks (Top or Bottom
Location)
◾ ERASE SUSPEND and RESUME MODES
– Read and Program another Block during
Erase Suspend
◾ UNLOCK BYPASS PROGRAM COMMAND
– Faster Production/Batch Programming
◾ VPP/WP PIN for FAST PROGRAM and
WRITE PROTECT
◾ TEMPORARY BLOCK UNPROTECTION
MODE
◾ COMMON FLASH INTERFACE
– 64 bit Security Code
◾ EXTENDED MEMORY BLOCK
– Extra block used as security block or to
store additional information
◾ LOW POWER CONSUMPTION
– Standby and Automatic Standby
◾ 100,000 PROGRAM/ERASE CYCLES per
BLOCK
◾ ELECTRONIC SIGNATURE
– Manufacturer Code: 0020h
– Top Device Code M29W320ET: 2256h
– Bottom Device Code M29W320EB: 2257h