DM74LS26 Quad 2-Input NAND Gate with High Voltage .
DM74LS26 - Quad 2-Input NAND Gate
DM74LS266 - QUAD 2-INPUT EXCLUSIVE-NOR GATE
DM74LS260 - Dual 5-Input NOR Gate
DM74LS266 - Quad 2-Input Exclusive-NOR Gate
DM74LS265A - Hex TRI-STATE Buffers