AT93C66-10SI-1.8 AT93C66-10SI-2.5 AT93C66-10SI2.7 AT93C66-10SI-2.7 AT93C66-10SI-2.7 SO-8 AT93C66-10SI-2.7 其他IC AT93C66-10SI-27 AT93C66-10SU-1.8 AT93C66-10SU2.7 AT93C66-10SU-2.7