GENERAL DESCRIPTION
The MT28F320A18 is a nonvolatile electrically block-erasable (Flash) memory containing eight 4-Kword parameter blocks and sixty-three 32K-word main blocks.
FEATURES
• 32Mb block architecture
Seventy-one erasable blocks:
Eight 4K-word parameter blocks
Sixty-three 32K-word main memory blocks
• VCC, VCCQ, VPP voltages*
1.65V (MIN), 1.95V (MAX) VCC, VCCQ
0.9V (MIN), 1.95V (MAX) VPP (in-system
PROGRAM/ERASE)
12V ±5% (HV) VPP tolerant (factory programming
compatibility)
• Random access time: 70ns @ 1.65V VCC
• Low power consumption (VCC = 1.8V)
Asynchronous Read < 18mA
Write/Erase < 40mA (MAX)
Standby < 50µA (MAX)
Automatic power saving feature (APS)
• Enhanced write and erase suspend options
ERASE-SUSPEND-to-READ
PROGRAM-SUSPEND-to-READ
ERASE-SUSPEND-to-PROGRAM
• Dual 64-bit chip protection registers for security purposes
• Cross-compatible command support
Extended command set
Common flash interface
• PROGRAM/ERASE cycle
100,000 WRITE/ERASE cycles per block (VPP = VPP1)