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贴片直插SN74LS123MR1，SN74LS10ML1G，SN74LS123DR2，4
贴片直插SN74LS123DR2G，SN74LS109AML1，SN74LS122ML1G，4
贴片直插SN74LS125ADR2，SN74LS123ML1G，SN74LS123ML2G，4
