6521 – PIA – W65C21
6522 – VIA – W65C22
74280 – 9-Bit Odd/Even Parity Generator – SN74LS280
74280 – 9-Bit Odd/Even Parity Generator – SN74HCT280
74640 – Octal Bus Transceivers – SN74LS640-641-642-645
6521 – PIA – W65C21
6522 – VIA – W65C22
74280 – 9-Bit Odd/Even Parity Generator – SN74LS280
74280 – 9-Bit Odd/Even Parity Generator – SN74HCT280
74640 – Octal Bus Transceivers – SN74LS640-641-642-645
People’s Thoughts