Unit: mm 19.20 20.32 Max 14 8 6.30 7.40 Max 1 2.39.
HD74LS38 - Quadruple 2-input Positive NAND Buffers
HD74LS38P - Quadruple 2-input Positive NAND Buffers
HD74LS386 - Quadruple 2-input Exclusive-OR Gates