DM74LS02MX DM74LS-245WM DM74LS374WM DM74VT08原装

贴插DM74LS259MX-DM74LS245WM-IL4118-DIL6-74AHC14PW-T-N

贴片直插DM74LS175MX，DM74SC245AC，DMN601K-7-F，DMP2240UW-7