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全新SN74HC20ANS SN74HC193NS SN74HC193DT SN74HC193DR SN74HC19
全新SN74LS193N/WP90350L3 SN74LS192N/74HC192DT
SN74HC193DT【IC COUNTER 4BIT SYNC U/D 16-SOIC】
逻辑芯片SN74HC193DT原装正品 提供配单服务
SN74HC193D/SN74HC193DR/SN74HC193DT
