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HD74HCT373FPEL HD74HCT245TVEL HD74HCT245TELL HD74HCT245RPEL
HD74HCT374FPEL HD74HCT373TELL HD74HCT373RPEL HD74HCT373FPTR
贴片直插HD74ACT138TELL，HD74HC4020FPTR，HD74HCT373FPEL
卖HD74HCT373FP-TL HD74HCT373TELL HD74HLS367AFPEL HD74LS0原装
