HY29F400 4 Megabit (512Kx8/256Kx16) 5 Volt-only Fl.
HY29F400BR90 - 4 Megabit (512Kx8/256Kx16) 5 Volt-only Flash Memory
HY29F400 4 Megabit (512Kx8/256Kx16) 5 Volt-only Flash Memory KEY FEATURES n 5 Volt Read, Program, and Erase – Minimizes system-level power requirement.