P4C1256 HIGH SPEED 32K x 8 STATIC CMOS RAM FEATUR.
P4C1256LL - LOW POWER 32K x 8 STATIC CMOS RAM
P4C1256L - LOW POWER 32K x 8 STATIC CMOS RAM
P4C1256 - HIGH SPEED 32K x 8 STATIC CMOS RAM