Datasheet DM74LS28 Equivalent ( PDF )

DM74LS28 Quad 2-Input NOR Buffer March 1989 Revised March 2000 DM74LS28 Quad 2-Input NOR Buffer General Description The DM74LS28 contains four independent gates each of which perform the logic NOR function. Ordering Code: Order Number DM74LS28M Package Number M14A Package Description 14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-120, 0.150 Narrow Devices also available in Tape and

54LS283 DM54LS283 DM74LS283 4-Bit Binary Adders with Fast Carry June 1989 54LS283 DM54LS283 DM74LS283 4-Bit Binary Adders with Fast Carry General Description These full adders perform the addition of two 4-bit binary numbers The sum (R) outputs are provided for each bit and the resultant carry (C4) is obtained from the fourth bit These adders feature full internal look ahead across all four bits

DM74LS283 4-Bit Binary Adder with Fast Carry August 1986 Revised March 2000 DM74LS283 4-Bit Binary Adder with Fast Carry General Description These full adders perform the addition of two 4-bit binary numbers. The sum (∑) outputs are provided for each bit and the resultant carry (C4) is obtained from the fourth bit. These adders feature full internal look ahead across all four bits. This provid