M28W640FCT

www.DataSheet4U.com M28W640FCT M28W640FCB 64 Mbit (4Mbx16, Boot Block) 3V Supply Flash memory Feature summary ■ Supply voltage – VDD = 2.7V to 3.6V Core Power Supply – VDDQ= 1.65V to 3.6V for Input/Output – VPP = 12V for fast Program (optional) Access times: 70, 85, 90,100ns Programming time: – 10µs typical – Double Word Programming Option – Quadruple Word Programming Option Common Flash Interface Memory blocks – Parameter Blocks (Top or Bottom location) – Main Blocks Block locking – All blocks locked at Power Up – Any combination of blocks can be locked – WP for Block Lock-Down Security – 128 bit user Programmable OTP cells – 64 bit unique device identifier Automatic standby mode Program and Erase Suspend 100,000 program/erase cycles per block Electronic signature – Manufacturer code: 20h – Top device code, M28W640FCT: 8848h – Bottom device code, M28W640FCB: 8849h FBGA ■ ■ TFBGA48 (ZB) 6.39 x 10.5mm ■ ■ ■ TSOP48 (N) 12 x 20mm ■ Packages – ECOPACK® compliant ■ ■ ■ ■ ■ October 2006 Rev 3 1/77 www.st.com 1 Contents M28W640FCT, M28W640FCB Contents 1 2 Summary description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Signal descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 2.10 2.11 Address inputs (A0-A21) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Data Input/Output (DQ0-DQ15) . . . . . . . . . . . . . . . . . ....