全新SN29012N SN29007N SN29007J SN29002N SN28995B

贴插SN29012N-SN29016N-74F193DC-DAC8043F-SN94624N-B

贴片直插SN28919P，SN28864N，SN26LS31，SN26LS32，SN29012N，4