Document
FEATURES SUMMARY s SUPPLY VOLTAGE
– VDD = 2.7V to 3.6V Core Power Supply – VDDQ= 1.65V to 3.3V for Input/Output – VPP = 12V for fast Program (optional) s ACCESS TIME – 3.0V to 3.6V: 80ns – 2.7V to 3.6V: 90ns s PROGRAMMING TIME: – 10µs typical – Double Word Programming Option – Quadruple Word Programming Option s COMMON FLASH INTERFACE s MEMORY BLOCKS – Parameter Blocks (Top or Bottom location) – Main Blocks s BLOCK LOCKING – All blocks locked at Power Up – Any combination of blocks can be locked – WP for Block Lock-Down s SECURITY – 128 bit user Programmable OTP cells – 64 bit unique device identifier – One Parameter Block Permanently Lockable s AUTOMATIC STAND-BY MODE s PROGRAM and ERASE SUSPEND s 100,000 PROGRAM/ERASE CYCLES per BLOCK s ELECTRONIC SIGNATURE – Manufacturer Code: 20h – Top Device Code, M28W640CT: 8848h – Bottom Device Code, M28W640CB: 8849h
M28W640CT M28W640CB
64 Mbit (4Mb x16, Boot Block) 3V Supply Flash Memory
PRELIMINARY DATA
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