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全新国产/74HC00D/SOP14 74HC00 贴片 逻辑芯片IC四2输入端与非门
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SN74HC00N SN74HC02/04/08/14/32/86/132/138/164/165/595 直插IC
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SN74LS11NSN74LS12NSN74HC00N
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全新国产 74HC00 74HC00D SN74HC00DR 贴片SOP14 逻辑IC