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直拍触发器集成电路SN74LS279N
译码器十进制SN74LS42NHD74LS42P
驱动器HD74LS247PSN74LS247N74LS247
比较器数值SN74LS85N74LS85
集成电路封装SN74LS169芯片
触发器SN74LS76N全新74LS93
HD74LS221PSN74LS221N原装进口
可逆时钟计数器SN74LS193N
SN74LS145NHD74LS145P芯片逻辑
二进制贴片SN74LS161DR计数器
译码器HD74LS138PSN74LS138N原装
编码器HD74LS148PSN74LS148N芯片
触发器HD74LS76APSN74LS76AN原装
计数器现货HD74LS162PSN74LS162N
贴片SN74LS165ADR原装74LS165A
全加器直拍二进制SN74LS283N
多谐振荡器现货SN74LS221NHD74LS221P
寄存器移位串行SN74LS165N
锁存器触发器SN74LS279N原装
SN74LS257NHD74LS257P原装进口
集成电路SN74LS251NSN74LS251芯片
寄存器HD74LS670PSN74LS670N原装
寄存器移位双向SN74LS194N
预置可逆时钟计数器
稳态触发器SN74LS123NHD74LS123P
译码器直拍驱动器SN74LS48N
译码器驱动器SN74LS48N芯片
一站式SN74LS153N芯片74LS153N
二进制计数器SN74LS161N原装
SN74LS123NHD74LS123N原装74LS123
触发器HD74LS76APSN74LS76N清除
驱动器兼容SN74LS47NHD74LS47P
驱动器原装SN74LS48NHD74LS48P
比较器原装HD74LS85PSN74LS85N
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