GENERAL DESCRIPTION
The MX28F640C3BT/B is a 64-mega bit Flash memory organized as 4M words of 16 bits. The 1M word of data is arranged in eight 4Kword boot and parameter sectors, and 127 32Kword main sector which are individually erasable. MXICs Flash memories offer the most cost-effective and reliable read/write non-volatile random access memory. The MX28F640C3BT/B is packaged in 48-pin TSOP. It is designed to be reprogrammed and erased in system or in standard EPROM programmers.

FEATURES
• Bit Organization: 4,194,304 x 16
• Single power supply operation
   - 3.0V only operation for read, erase and program
   operation
   - VCC=VCCQ=2.7~3.6V
   - Operating temperature:-40°C~85°C
• Fast access time : 90/120ns
• Low power consumption
   - 9mA maximum active read current, f=5MHz (CMOS
   input)
   - 21mA program erase current maximum
   (VPP=1.65~3.6V)
   - 7uA typical standby current under power saving
   mode
• Sector architecture
   - Sector Erase (Sector structure : 4Kword x 2 (boot
   sectors), 4Kword x 6 (parameter sectors), 32Kword x
   127 (parameter sectors)
   - Top/Bottom Boot
• Auto Erase (chip & sector) and Auto Program
   - Automatically program and verify data at specified
   address
• Automatic Suspend Enhance
   - Word write suspend to read
   - Sector erase suspend to word write
   - Sector erase suspend to read register report
• Automatic sector erase, full chip erase, word write and
   sector lock/unlock configuration
• Status Reply
   - Detection of program and erase operation completion.
   - Command User Interface (CUI)
   - Status Register (SR)
• Data Protection Performance
   - Include boot sectors and parameter and main sectors
   to be block/unblock
• 100,000 minimum erase/program cycles
• Common Flash Interface (CFI)
• 128-bit Protection Register
   - 64-bit Unique Device Identifier
   - 64-bit User-Programmable
• Latch-up protected to 100mA from -1V to VCC+1V
• Package type:
   - 48-pin TSOP (12mm x 20mm)