SN74LS38 Quad 2−Input NAND Buffer VCC 14 13 12.
SN74LS38 - Quad 2-input NAND Buffer
SN74LS386 - QUAD 2-INPUT EXCLUSIVE-OR GATE
SN74LS385 - Quadruple Serial Adders/Subtractors
SN74LS38 - QUADRUPLE 2-INPUT POSITIVE-NAND BUFFERS
SN74LS38 - QUAD 2-INPUT NAND BUFFER