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https://e2e.ti.com/support/logic-group/logic/f/logic-forum/1509643/sn74ls00-looking-for-a-1-for-1-replacement-for-sn7400n
工具/软件：
SN74LS00是否是 SN74F00N 的偶数替代产品？ 如果不是、什么是更紧密的替代产品？
SN7400、SN74F00和 SN74LS00是不同器件、它们的电气特性略有不同。 您可能可以将这三个设备相互替换、具体取决于您的未知电路是否需要这些特性。
