CX81801-33 by Rochester Electronics, 3.3V supply voltage, in 128-QFP package. This part is discontinued. FPGACenter specializes in sourcing obsolete components.
CY8CPLC20-28PVXI by Rochester Electronics, 4.75V ~ 5.25V supply voltage, in 28-SSOP (0.209", 5.30mm Width) package. This part is discontinued. FPGACenter specializes in sourcing obsolete components.
CY8CPLC20-28PVXIT by Cypress Semiconductor, 4.75V ~ 5.25V supply voltage, in 28-SSOP (0.209", 5.30mm Width) package. This part is discontinued. FPGACenter specializes in sourcing obsolete components.
CY8CPLC20-48LFXI by Rochester Electronics, 4.75V ~ 5.25V supply voltage, in 48-VFQFN Exposed Pad package. This part is discontinued. FPGACenter specializes in sourcing obsolete components.