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2 MEG x 16 ASYNC/PAGE/BURST FLASH MEMORY
FLASH MEMORY
MT28F322D20 MT28F322D18
Low Voltage, Extended Temperature 0.18µm Process Technology
FEATURES
• Flexible dual-bank architecture – Support for true concurrent operation with zero latency – Read bank a during program bank b and vice versa – Read bank a during erase bank b and vice versa • Basic configuration: Seventy-one erasable blocks – Bank a (8Mb for data storage) – Bank b (24Mb for program storage) • VCC, VCCQ, VPP voltages – 1.70V (MIN), 1.90V (MAX) VCC, VCCQ (MT28F322D18 only) – 1.80V VCC, VCCQ (MIN); 2.20V VCC (MAX)and 2.25V VCCQ (MAX) (MT28F322D20 only) – 0.9V (TYP) VPP (in-system PROGRAM/ERASE) – 12V ±5% (HV) VPP tolerant (factory programming compatibility) • Random access time: 70ns/80ns @ 1.