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贴片直插SN74LS245MR2，SN74LS244ML1，SN74LS245MEL，4
贴片直插SN74LS244MR1G，SN74LS244MELG，SN74LS244ML1G，4
贴片直插SN74LS245ML1G，SN74LS244MR2G，SN74LS245DWR2，4
贴片直插SN74LS244FNR2，SN74LS240ML1G，SN74LS240MR2G，4
