PHS74HCT174N规格参数
相关型号
PHS74HCT174PW PHS74HCT174PWT3 PHS74HCT175DB PHS74HCT175DBT3 PHS74HCT175DT3 PHS74HCT175N PHS74HCT175PW PHS74HCT175PWT3 PHS74HCT191D PHS74HCT191DT3