Phillips PC74HCT280P 9 Bit Odd/Even Parity Generator - NOS

Texas Instruments SN74180N 9-bit odd/even parity gen/checker Integrated Circuit

Lot of 4 DM74S280N 9-Bit Parity Generator Checker DIP-14 NOS

Signetics N74180A 8 Bit Odd/Even Parity Generator - NOS - Vintage 1974 Date Code

SN74180N [5pcs] 9-bit ODD/Even Parity Generator/Checker; 74180 IC TI; DIP-14

10PCS SN74S280N 74S280 TI 9-Bit Odd/Even Parity Generator Checker TTL DIP-16 IC

T.I. SN74AS280N 74AS280 9 Bit Odd/Even Parity Generator/Checker - NOS

2PCS HD74LS280P Hitachi 9-Bit Odd Even Parity Generator Checker 33ns TTL DIP-14