Titlebook: Current Sense Amplifiers for Embedded SRAM in High-Performance System-on-a-Chip Designs; Bernhard Wicht Book 2003 Springer-Verlag Berlin H

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Voltage Sense Amplifiers,ally analog comparators. A wide range of circuits are used. In general they can be classified into static and dynamic circuits. Sect. 3.1 gives an overview while in Sect. 3.2 a circuit is investigated in detail that makes an excellent second stage in a current sense amplifier.

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Pansheng Fang,Zhaolong Ning,Xiping HuOM). Depending on the data contents a ROM bitline can become floating and, hence, become very sensitive to capacitive coupling and crosstalk. Since current sensing establishes a low input impedance, it prevents the bitlines from being floating. As it suppresses a bitline voltage swing, it also eliminates coupling from adjacent bitlines.

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Introduction, is projected [5] that the delay of integrated logic gates will continue to scale exponentially. This will result in a considerable increase in signal processing speed. The microprocessor clock frequency has been doubling every two years and will reach about 5GHz in 2005.

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Analysis and Compensation of the Bitline Multiplexer,very simple. Therefore in many SRAM designs the multiplexer (MUX) is located between the columns and the sense amplifier as shown in Fig. 5.1 (see also Fig. 2.3). The advantage is that more area can be allocated per sense amplifier as only one sensing block is utilized to read out several multiplexed bitline pairs.

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