
Micron Technology
General Description
The M29EW is an asynchronous, uniform block, parallel NOR Flash memory device manufactured on 65nm multilevel cell (MLC) technology. READ, ERASE, and PROGRAM operations are performed using a single low-voltage supply. Upon power-up, the device defaults to read array mode.
FEATUREs
• 2Gb = stacked device (two 1Gb die)
• Supply voltage
– VCC = 2.7–3.6V (program, erase, read)
– VCCQ = 1.65–3.6V (I/O buffers)
• Asynchronous random/page read
– Page size: 16 words or 32 bytes
– Page access: 25ns
– Random access: 100ns (Fortified BGA);
110ns (TSOP)
• Buffer program: 512-word program buffer
• Program time
– 0.88µs per byte (1.14 MB/s) TYP when using full
512-word buffer size in buffer program
• Memory organization
– Uniform blocks: 128-Kbytes or 64-Kwords each
• Program/erase controller
– Embedded byte/word program algorithms
• Program/erase suspend and resume capability
– Read from any block during a PROGRAM SUSPEND operation
– Read or program another block during an ERASE
SUSPEND operation
• BLANK CHECK operation to verify an erased block
• Unlock bypass, block erase, chip erase, and write to
buffer capability
– Fast buffered/batch programming
– Fast block/chip erase
• VPP/WP# pin protection
– Protects first or last block regardless of block
protection settings
• Software protection
– Volatile protection
– Nonvolatile protection
– Password protection
– Password access
• Extended memory block
– 128-word (256-byte) block for permanent, secure
identification
– Programmed or locked at the factory or by the
customer
• Low power consumption: Standby mode
• JESD47H-compliant
– 100,000 minimum ERASE cycles per block
– Data retention: 20 years (TYP)
• 65nm multilevel cell (MLC) process technology
• Fortified BGA and TSOP packages
• Green packages available
– RoHS-compliant
– Halogen-free
• Operating temperature
– Ambient: –40°C to +85°C