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首页> 外文期刊>IEEE transactions on very large scale integration (VLSI) systems >Conflux—An Asynchronous Two-to-One Multiplexor for Time-Division Multiplexing and Clockless, Tokenless Readout
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Conflux—An Asynchronous Two-to-One Multiplexor for Time-Division Multiplexing and Clockless, Tokenless Readout

机译：Conflux —用于时分复用和无时钟，无令牌读取的异步二对一多路复用器

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This article describes an independent, self-arbitrating asynchronous two-to-one multiplexor called Conflux. Conflux can be used to implement clockless and tokenless time-division multiplexing between two sources. This capability can then be used to create a clockless and tokenless aggregate data bus that can be used as a complete asynchronous readout architecture for a chip, a part of a chip, or an entire multichip system. Conflux utilizes a classic, four-phased asynchronous handshake on both of its input ports as well as on its output port. Asynchronous Request is bundled with Data to ensure consistent propagation delay. The Request is also implemented as a differential signal to account for propagation delay differences between logical ones and zeros. Arbitration between the two Conflux input streams is accomplished by three Set-Reset Latches. Finally, Conflux cells were used successfully to implement the readout architecture of the FCP130 prototype chip. Tests indicate single Conflux stage delays of 1.8 ns and a bandwidth of approximately 11 Gb/s in 130-nm CMOS.
机译：本文介绍了一种称为Conflux的独立，自仲裁异步二对一多路复用器。 Conflux可用于在两个源之间实现无时钟和无令牌的时分复用。然后，可以使用此功能来创建无时钟和无令牌的聚合数据总线，该总线可用作芯片，一部分芯片或整个多芯片系统的完整异步读取架构。 Conflux在其输入端口和输出端口上均使用经典的四阶段异步握手。异步请求与数据捆绑在一起，以确保一致的传播延迟。该请求还被实现为差分信号，以解决逻辑1和零之间的传播延迟差异。两个Conflux输入流之间的仲裁由三个置位复位锁存器完成。最后，Conflux单元已成功用于实现FCP130原型芯片的读取架构。测试表明，在130 nm CMOS中，单个Conflux级延迟为1.8 ns，带宽约为11 Gb / s。

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