Nationals Semiconductor Corporation has announced a new programmable 4-channel equalizer that can increase the data transfer speed of high-speed serial buses to 10gbps with a power consumption of only 94mW per channel. The ds64ev400 equalizer chip is the latest model in National's powerwise? high energy efficiency chip family. This equalizer delivers high-speed signal transmission via backplanes and cables, especially for storage area networks (SANs), communications system infrastructure, and automated test equipment.
The ds64ev400 chip provides transmission media loss compensation for four data transmission lines and reduces its predictable jitter. This chip can provide up to 20db of enhanced signal to balance up to 10 meters of Category 5 (cat5) cable, with a data transfer rate of 6.4gbps balanced up to 40 inches? Reverse r-4 printed circuit board, or The data transfer rate of 10gbps is balanced up to 30 inches? The r-4 printed circuit board is reversed, and the residual jitter of the equalizer output is only 0.175 ui. National Semiconductor uses the patented technology technology of sigebicmos-8 to produce this signal conditioner chip, which can significantly improve the performance/power ratio of high-speed interface chips. In addition to the high performance and low power consumption ratio, the idle channel in the equalizer can be automatically turned off, and the power consumption of the single channel can be further reduced by 85%.
These product features make the ds64ev400 easy to work with fpga and the transmission medium. Each channel of the equalizer has 8 levels of equalization. Users can set all levels simultaneously using 3 control pins, or they can be set one by one through the serial management bus (smbus). The ds64ev400 chip provides AC-coupled and DC-coupled path transfer support for long-line prbs-31 data modes and balanced 8-bit/10-bit codes. The chip features differential current mode logic (cml) input/output and 8kv ESD protection. In addition, each equalizer has a loss of signal detection (los) detection, which can be used with a 2.5v or 3.3v supply voltage and can operate from -40 to 85 degrees Celsius.
National Semiconductor also introduced another programmable 4-channel equalizer, the ds32ev400, for systems with transmission speeds of up to 3.2 gbps, which is roughly the same as the ds64ev400 chip, and is part of the National Semiconductor Signal Conditioning Equalizer family. The lineup of these chips continues to grow, including the ds38ep100 and ds80ep100 low-power equalizers, the ds16ev5110 Video Cable equalizer, the ds25br110lvds equalizer, the ds40mb200 dual-channel multiplexer/buffer 2-in-1 chip, and the ds15ba101 and ds15ea101 cable extensions. Chipset.
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