74LS241N - 8 BUFFERS AND LINE DRIVERS WITH 3-STATE OUT - CI - DIP-20 - SIGNETICS

7474N - CI - DUAL D-TYPE FLIP-FLOPS - DIP-14 - SIGNETICS

74S244N DIP20 Octal Buffers ORIGINAL SIGNETICS 74S244-N 74S244

74LS175N - HEX/QUADRUPLE D-TYPE FLIP-FLOP WITH CLEAR - CI - DIP-16 - SIGNETICS

NE531-N - AMPLIFICATEUR OPERATIONNEL - CI DIP-8 ORIGINAL SIGNETICS 531-N

7406N - HEX INVERTER BUFFERS/DRIVERS - CI - DIP-14 - SIGNETICS

7407N - CI - 8 INVERTERS OPEN COLLECTOR OUTPUTS - DIP-14 - SIGNETICS

7404N - HEX INVERTERS - CI - DIP-14 - SIGNETICS