The W49F002U is a 2-megabit, 5-volt only CMOS flash memory organized as 256K × 8 bits

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