SN74HCT245PWG4规格参数
相关型号
SN74HCT245PWLE SN74HCT245PWR SN74HCT245PWRE4 SN74HCT245PWRG4 SN74HCT245PWT SN74HCT245PWTE4 SN74HCT245PWTG4 SN74HCT257D SN74HCT257DE4 SN74HCT257DG4