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W49F002UP90B Datasheet(PDF) 1 Page - Winbond |
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W49F002UP90B Datasheet(HTML) 1 Page - Winbond |
1 / 23 page W49F002U 256K × 8 CMOS FLASH MEMORY Publication Release Date: April 2000 - 1 - Revision A2 GENERAL DESCRIPTION The W49F002U is a 2-megabit, 5-volt only CMOS flash memory organized as 256K × 8 bits. The device can be programmed and erased in-system with a standard 5V power supply. A 12-volt VPP is not required. The unique cell architecture of the W49F002U results in fast program/erase operations with extremely low current consumption (compared to other comparable 5-volt flash memory products). The device can also be programmed and erased using standard EPROM programmers. FEATURES • Single 5-volt operations: − 5-volt Read − 5-volt Erase − 5-volt Program • Fast Program operation: − Byte-by-Byte programming: 35 µS (typ.) • Fast Erase operation: 100 mS (typ.) • Fast Read access time: 70/90/120 nS • Endurance: 10K cycles (typ.) • Ten-year data retention • Hardware data protection • One 16K byte Boot Block with Lockout protection • Two 8K byte Parameter Blocks • Two Main Memory Blocks (96K, 128K) Bytes • Low power consumption − Active current: 25 mA (typ.) − Standby current: 20 µA (typ.) • Automatic program and erase timing with internal VPP generation • End of program or erase detection − Toggle bit − Data polling • Latched address and data • TTL compatible I/O • JEDEC standard byte-wide pinouts • Available packages: 32-pin DIP and 32-pin TSOP and 32-pin-PLCC |
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