Parallel NOR Flash Embedded Memory
Description
64Mb: 3V Embedded Parallel NOR Flash Features
Parallel NOR Flash Embedded Memory
M29W640FT, M29W640FB
Features
• Supply voltage – VCC = 2.
7–3.
6V (program, erase, read) – VPP = 12V for fast program (optional)
• Asynchronous random/page read – Page width: 4 words – Page access: 25ns – Random access: 60ns, 70ns
• Program time – 10µs per byte/word TYP – 4 words/8 bytes program
• Memory organization – 135 memory blocks – 1 boot block and 7 parameter blocks, 8KB each (top or bottom) – 127 main blocks, 64KB each
• Program/erase controller – Embedded byte/word program algorithms
• Program/erase suspend and resume – Read from any block during a PROGRAM SUSPEND operation – Read or program another block during an ERASE SUSPEND operation
• 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 • Ex...
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