NB4N840M
NB4N840M is 3.3V 3.2Gb/s Dual Differential Clock/Data 2 x 2 Crosspoint Switch manufactured by onsemi.
3.3V 3.2Gb/s Dual Differential Clock/Data 2 x 2 Crosspoint Switch with CML Output and Internal Termination
Description The NB4N840M is a high- bandwidth fully differential dual
2 x 2 crosspoint switch with CML inputs/outputs that is suitable for applications such as SDH/SONET, DWDM, Gigabit Ethernet and high speed switching. Fully differential design techniques are used to minimize jitter accumulation, crosstalk, and signal skew, which make this device ideal for loop- through and protection channel switching applications.
Internally terminated differential CML inputs accept AC- coupled LVPECL (Positive ECL) or direct coupled CML signals. By providing internal 50 W input and output termination resistor, the need for external ponents is eliminated and interface reflections are minimized. Differential 16 m A CML outputs provide matching internal 50 W terminations, and 400 m V output swings when externally terminated, 50 W to VCC.
Single- ended LVCMOS/LVTTL SEL inputs...
