SN5428, SN54LS28, SN7428, SN74LS28 QUADRUPLE 2-INP.
Texas Instruments
SN74283 - 4-Bit Binary Full Adders
SN54283, SN54LS283, SN54S283, SN74283, SN74LS283, SN74S283 4ĆBIT BINARY FULL ADDERS WITH FAST CARRY SDLS095A – OCTOBER 1976 – REVISED MARCH 1988 descr.
Texas Instruments
SN7428 - QUADRUPLE 2-INPUT POSITIVE-NOR BUFFER
SN5428, SN54LS28, SN7428, SN74LS28 QUADRUPLE 2-INPUT POSITIVE-NOR BUFFERS SDLS094 – DECEMBER 1983 – REVISED MARCH 1988 PRODUCTION DATA information is.