5AGXMA1D4F31I5 5AGXMA1D6F31C6G 5AGXMA3D4F27C4N

原装54LS293J 57490707 5AGXMA3D4F27C5N 5AGXMA7G6F31C6N

5AGXMA7D4F27I3G 5AGXBB3D6F40C6G 10AX027H4F34I3LG

5AGXMA5G6F35C6G 5AGXBA3D4F27I5G 5AGXBA3D4F27C4G

5AGXMA3D4F27I5G EP2AGX65CU17C5G 5AGXFA5H6F35C6G

EP4CE115F23I8L 10AX022E4F29E3SG 5AGXMA3D6F27C6G

5AGXMA5G6F31C6G 5AGXMA3D4F27C5G 10AX016E3F29E1HG