PC28F640 - Numonyx

PC28F640 Embedded Flash Memory

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Features

„ „ Architecture — High-density symmetrical 128-Kbyte blocks — 256 Mbit (256 blocks) — 128 Mbit (128 blocks) — 64 Mbit (64 blocks) — 32 Mbit (32 blocks) Performance — 75 ns Initial Access Speed (128/64/32 -Mbit densities) — 95 ns Initial Access Speed (256 Mbit only) — 25 ns 8-word and 4-word Asynchronous page-mode reads — 32-Byte Write buffer — 4 µs per Byte Effective programming time System Voltage and Power — VCC = 2.7 V to 3.6 V — VCCQ = 2.7 V to 3.6 V Packaging — 56-Lead TSOP package (32, 64, 128 Mbit only) — 64-Ball Numonyx Easy BGA package (32, 42, 128 and 256 Mbit) „ „ Security — E.