64Mb: 3V Embedded Parallel NOR Flash Features Parallel NOR Flash Embedded Memory M29W640GH, M29W640GL M29W640GT, M29W640GB 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, 90ns • Fast program commands – 2-word/4-byte program (without VPP = 12V) – 4-word/8-byte program (with VPP = 12V) – 16-word/32-byte write buffer • Programming time – 10µs per byte/word TYP – Chip program time: 10 s (4-word program) – Double word/quadruple byte program • Memory organization – M29W640GH/L 128 main blocks, 64KB each – M29W640GT/B 127 main blocks, 64KB...

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