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驱动器原装HD74LS47PSN74LS47N
驱动器兼容原装SN74LS47N
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驱动器兼容SN74LS47NHD74LS47P
74LS48674LS47P74LS48N74LS48P
74LS42P74LS42N74LS44274LS44N
驱动器封装兼容HD74LS47P
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