7413 TTL Dual Input Schmitt Trigger - NOS

Signetics N7486A Quad 2 Input Exclusive/OR Gate - NOS - Vintage 1976 Date Code

74LS13 - Dual 4 Input Schmitt Trigger - NOS

Signetics N7440A TTL Dual 4 Input NAND Buffer - NOS - Vintage 1974 Date Code

SN74LS221N DUAL MONOSTABLE MULTIVIBRATORS WITH SCHMITT-TRIGGER INPUTS

SN7413N [1pcs] Dual 4-Input NAND Gate; 7413 IC Texas Instruments;DIP-14

Fairchild CD4093BCM Quad 2-Input NAND Schmitt Trigger SOIC14 - New on Tape

Vintage Signetics N7420A Dual 4-Input Positive NAND Gate 14-Pin IC Chip IC @IC8