新SMD-74A157 SMD-74HC20 SM5153AC8S SG137K/883 R

贴片直插SM5153AC8S，SM45HXC084，SM40CXC384，SM45CXC364，4

贴片直插ICS552R-01 SM5153AC8S SM15T200CA 87392DG/K1 4

新54LS74A/BCAJC BR93L86RF-WE2 SM5153AC8S-E2 R