📚 TTL技术资料

📦 资源总数：345

💻 源代码：3252

TTL是TimeToLive的缩写，该字段指定IP包被路由器丢弃之前允许通过的最大网段数量。TTL是IPv4报头的一个8bit字段。

🔥 TTL热门资料

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These BCD-to-decimal decoders consist of eight invertersand ten, four-input NAND gates. The i...

⬇️ 9 次下载

7442

This circuit is a synchronous, reversible, up/down counter.The 191 is a 4-bit binary counter. Sy...

👤 zhaiyawei ⬇️ 4 次下载

74191 二进制

These TTL circuits feature dual 1-line-to-4-line demultiplexerswith individual strobes and commo...

⬇️ 9 次下载

74155 输出

The DM7446A and DM7447A feature active-LOW outputsdesigned for driving common-anode LEDs or i...

👤 shjgzh ⬇️ 9 次下载

7447

This device contains four independent gates each of whichperforms the logic NAND function. Th...

⬇️ 3 次下载

7403 集电极开路

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