SN74HCT139DG4规格参数
相关型号
SN74HCT139DR SN74HCT139DRE4 SN74HCT139DRG4 SN74HCT139DT SN74HCT139DTE4 SN74HCT139DTG4 SN74HCT139N SN74HCT139NE4 SN74HCT139PWLE SN74HCT139PWR