型号
SN74LS195AN84相关型号
SN74LS195AND
SN74LS196D
SN74LS196FN
SN74LS196N
SN74LS197N
SN74LS19AD
SN74LS19ADB
SN74LS19ADBR
SN74LS19ADE4
SN74LS19ADG4
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