全新74LS193SCX 74LS193DR2 74LS175SCX 74LS175D-T 74LS175B1R

贴片直插SN74LS194ADG，SN74LS175MR2，SN74LS193DR2，4

贴片直插SN74LS193MELG，SN74LS175MR1G，SN74LS193DR2G，4

74LS193DR2 SN74F27DG4 LT6204IS#PBF SN74F27DRG4 SOP14

贴插MAX4144EEE-74LVT241DB-74LS193DR2-PTPM754ADB

贴片直插SN74LS193ML1，SN74LS175DR2，SN74LS175MR1，4