AM29LV400B90RSI Similar

AM29LV400B90RSI Datasheet and AM29LV400B90RSI manual

Manufacturer : AMD 

Packing : SO 

Pins : 44 

Temperature : Min -40 °C | Max 85 °C

Size : 570 KB

Application : 4 Megabit (512 K x 8-bit/256 K x 16-bit) CMOS 3.0 volt-only boot sector flash memory, 90ns 

AM29LV400B90RSI PDF Download