www.DataSheet4U.com 2 Megabit (256K x 8) Multi-Pu.
SST39SF020A - (SST39SF010A / SST39SF020A / SST39SF040) 1 Mbit / 2 Mbit / 4 Mbit (x8) Multi-Purpose Flash
SST39SF040 - (SST39SF010A / SST39SF020A / SST39SF040) 1 Mbit / 2 Mbit / 4 Mbit (x8) Multi-Purpose Flash
SST39SF010A - (SST39SF010A / SST39SF020A / SST39SF040) 1 Mbit / 2 Mbit / 4 Mbit (x8) Multi-Purpose Flash