M-LVDS transceivers deliver high signal integrity
Suited for clock distribution in ATCA platforms or other backplanes, the DS91C176, DS91D176, DS91C180, and DS91D180 multipoint-low voltage differential signaling (M-LVDS) transceivers have improved drive capability to support up to 32 loads at clock frequencies up to 100 MHz and data rates of 200 Mbits/s.
The DS91C176 and DS91D176 are high-speed M-LVDS differential transceivers designed for multipoint applications with multiple drivers or receivers. Multipoint LVDS (M-LVDS) is a new bus interface standard (TIA/EIA-899) based on LVDS but including several enhancements to improve multipoint performance. M-LVDS devices have superior drive capability and can support up to 32 loads. Along with increased drive, M-LVDS devices are required to have a controlled edge rate to minimize reflections and EMI. The 1 nSec minimum edge rate is tolerant of stub lengths up to 2 inches in length. M-LVDS devices also have a very large common mode range for additional noise margin in heavily loaded and noisy backplane environments.
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