009 CY7C109 CY7C1009 128K x 8 Static RAM Feature.
CY7C109 - Straight 1-Row BergStik II Headers
CY7C109B - 128K x 8 Static RAM
CY7C109V33 - Straight 1-Row BergStik II Headers
CY7C109D - 1-Mbit (128 K x 8) Static RAM