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www.DataSheet4U.com
4Mb SMART 3 BOOT BLOCK FLASH MEMORY
FLASH MEMORY
MT28F004B3 MT28F400B3
3V Only, Dual Supply (Smart 3)
FEATURES
• Seven erase blocks: 40-Pin 16KB/8K-word boot block (protected) Two 8KB/4K-word parameter blocks Four main memory blocks • Smart 3 technology (B3): 3.3V ±0.3V VCC 3.3V ±0.3V VPP application programming 5V ±10% VPP application/production programming1 • Compatible with 0.3µm Smart 3 device • Advanced 0.18µm CMOS floating-gate process • Address access time: 80ns • 100,000 ERASE cycles • Industry-standard pinouts • Inputs and outputs are fully TTL-compatible • Automated write and erase algorithm • Two-cycle WRITE/ERASE sequence • Byte- or word-wide READ and WRITE DataSheet4U.