SN54LS181, SN54S181 SN74LS181, SN74S181 ARITHMETIC.
Texas Instruments
SN74S181 - ARITHMETIC LOGIC UNITS/FUNCTION GENERATORS
SN54LS181, SN54S181 SN74LS181, SN74S181 ARITHMETIC LOGIC UNITS/FUNCTION GENERATORS SDLS136 – DECEMBER 1972 – REVISED MARCH 1988 PRODUCTION DATA infor.
