M29W640FT

www.DataSheet4U.com M29W640FT M29W640FB 64 Mbit (8Mb x8 or 4Mb x16, Page, Boot Block) 3V Supply Flash Memory Features summary ■ Figure 1. Packages Supply Voltage – VCC = 2.7V to 3.6V for Program, Erase, Read – VPP =12 V for Fast Program (optional) Asynchronous Random/Page Read – Page Width: 4 Words – Page Access: 25ns – Random Access: 60ns, 70ns Programming Time – 10 µs per Byte/Word typical – 4 Words/8 Bytes Program 135 memory blocks – 1 Boot Block and 7 Parameter Blocks, 8 KBytes each (Top or Bottom Location) – 127 Main Blocks, 64 KBytes each ■ TSOP48 (N) 12 x 20mm ■ FBGA ■ TFBGA48 (ZA) 6x8mm ■ Program/Erase Controller – Embedded Byte/Word Program algorithms Program/Erase Suspend and Resume – Read from any Block during Program Suspend – Read and Program another Block during Erase Suspend Unlock Bypass Program command – Faster Production/Batch Programming www.DataSheet4U.com ■ Electronic Signature – Manufacturer Code: 0020h Device Codes ■ Table 1. Root Part Number M29W640FT M29W640FB ■ Device Code 22EDh 22FDh ■ ECOPACK® packages ■ ■ ■ VPP/WP pin for Fast Program and Write Protect Temporary Block Unprotection mode Common Flash Interface – 64-bit Security Code Extended Memory Block – Extra block used as security block or to store additional information Low power consumption – Standby and Automatic Standby 100,000 Program/Erase cycles per block ■ ■ ■ December 2005 Rev3 1/72 www.st.com 1 www.DataSheet4U www.DataSheet4U.com 4U.com www.DataSheet4U.com ...