256 Kbit / 512 Kbit / 1 Mbit / 2 Mbit (x8) Many-Ti.
27SF512 - SST27SF512
SST27SF512 - (SST27SFxxx) 256 Kbit / 512 Kbit / 1 Mbit / 2 Mbit (x8) Many-Time Programmable Flash