PC28F640 Datasheet | Numonyx

Numonyx™ Embedded Flash Memory .. (J3 v. D) 32, 64, 128, and 256 Mbit Product 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 - Enhanced security options for code protection - 128-bit Protection Register - 64-bit Unique device identifier - 64-bit User-programmable OTP cells - Absolute protection with VPEN = GND - Individual block locking - Block erase/program lockout during power transitions Software - Program and erase suspend support - Flash Data Integrator (FDI), mon Flash Interface (CFI) patible Quality and...