MC74F521DWR2 is a Identity Comparator by Rochester Electronics, 4.5V ~ 5.5V supply voltage, in 20-SOIC (0.295", 7.50mm Width) package, rated for 0°C ~ 70°C.
MM74C85N is a Magnitude Comparator by Onsemi, 3V ~ 15V supply voltage, in 16-DIP (0.300", 7.62mm) package, rated for -55°C ~ 125°C. This part is discontinued. FPGACenter specializes in sourcing obsolete components.
MM74HC688MTC is a Identity Comparator by Rochester Electronics, 2V ~ 6V supply voltage, in 20-TSSOP (0.173", 4.40mm Width) package, rated for -40°C ~ 85°C. This part is discontinued. FPGACenter specializes in sourcing obsolete components.
MM74HC688MTCX is a Identity Comparator by Onsemi, 2V ~ 6V supply voltage, in 20-TSSOP (0.173", 4.40mm Width) package, rated for -40°C ~ 85°C. This part is discontinued. FPGACenter specializes in sourcing obsolete components.
MM74HC688N is a Identity Comparator by Onsemi, 2V ~ 6V supply voltage, in 20-DIP (0.300", 7.62mm) package, rated for -40°C ~ 85°C. This part is discontinued. FPGACenter specializes in sourcing obsolete components.
MM74HC688SJ is a Identity Comparator by Rochester Electronics, 2V ~ 6V supply voltage, in 20-SOIC (0.209", 5.30mm Width) package, rated for -40°C ~ 85°C. This part is discontinued. FPGACenter specializes in sourcing obsolete components.
MM74HC688SJX is a Identity Comparator by Onsemi, 2V ~ 6V supply voltage, in 20-SOIC (0.209", 5.30mm Width) package, rated for -40°C ~ 85°C. This part is discontinued. FPGACenter specializes in sourcing obsolete components.
MM74HC688WM is a Identity Comparator by Onsemi, 2V ~ 6V supply voltage, in 20-SOIC (0.295", 7.50mm Width) package, rated for -40°C ~ 85°C. This part is discontinued. FPGACenter specializes in sourcing obsolete components.