DM7445N/DM7438N/DM7442AN

DM7438N/DM7442AN/DM7445N

正品DM7447AN DM7445DC DM7442AN DM74393N DM7438MX

DM7442AN芯片 《 IC DECODER BCD-DECIMAL 16-DIP 》

贴插PT6319LQ-TA2019AP-IRGI4065-DM7442AN-FQPF4N60-N

贴片直插DM7442AN，DM74S74J，DM80L97N，DM85L54N，DM85S06N

DM74174N/DM7442AN/DM7438N