HD74LS273N HD74LS273P HD74LS273P-E HD74LS273P-E-Q HD74LS273P-Q HD74LS273PE HD74LS273RP HD74LS273RP-EL HD74LS273RPEL HD74LS274P HD74LS279 HD74LS279FP HD74LS279FPEL HD74LS279FPTR HD74LS279FR HD74LS279FRTR HD74LS279G HD74LS279P HD74LS279P-Q HD74LS27D HD74LS27FP HD74LS27FP-TE2 HD74LS27FPEL HD74LS27P HD74LS27P-E-Q HD74LS28 HD74LS280-B HD74LS280FP HD74LS280G HD74LS280P HD74LS283 HD74LS283FP HD74LS283FPEL HD74LS283G HD74LS283P HD74LS283P-E HD74LS290 HD74LS290N HD74LS290P HD74LS293 HD74LS293P HD74LS297 HD74LS298 HD74LS298FP-EL HD74LS298N HD74LS298P HD74LS299 HD74LS299P HD74LS2HP HD74LS30 HD74LS300P HD74LS30D HD74LS30DR HD74LS30FP HD74LS30FP-TL HD74LS30FPEL HD74LS30FPTL HD74LS30G HD74LS30N HD74LS30P HD74LS30P-E HD74LS30P-E-Q HD74LS30P-Q HD74LS30RP HD74LS30RP--EL HD74LS30RP-EL HD74LS30RPEL HD74LS31P HD74LS31RPEL HD74LS32 HD74LS32-E HD74LS32-P-E-Q HD74LS3245P HD74LS327P HD74LS329P HD74LS32AP HD74LS32D HD74LS32F HD74LS32FP HD74LS32FP-E HD74LS32FP-TL HD74LS32FPEL HD74LS32FPEL-E-Q HD74LS32FPER HD74LS32FPTL HD74LS32FPTR HD74LS32FPZEL HD74LS32FRTL HD74LS32N HD74LS32P HD74LS32P-E HD74LS32P-E-Q