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型 号
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厂 家
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封 装
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批 号
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SN74LS257BN
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INTEGRATED CIRCUIT
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SN74LS253N
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INTEGRATED CIRCUIT
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SN74LS248N
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INTEGRATED CIRCUIT
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SN74LS245N
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INTEGRATED CIRCUIT
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SN74LS244NP3
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INTEGRATED CIRCUIT
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SN74LS244N
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INTEGRATED CIRCUIT
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SN74LS241N
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INTEGRATED CIRCUIT
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SN74LS240N
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INTEGRATED CIRCUIT
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SN74LS240DWR
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INTEGRATED CIRCUIT
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SN74LS221N
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INTEGRATED CIRCUIT
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