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2.5V/3.3V Differential 2x10 Crosspoint Clock Driver with SDI Programmable Output Selects
ON Semiconductor Corp
Description
The NB4L7210 is a Clock input crosspoint fanout distribution device selecting between one of two input clocks on each of the 10 differential output pairs. A 10 Bit Serial Data Interface programs each output MUX to asynchronously select either Input clock. CLOCK inputs can accept LVCMOS, LVTTL, LVPECL, CML, or LVDS signal levels and incorporate an internal 50 ohms on die termination resistors. SCLK, SDATA, and SLOAD input can accept single ended LVPECL, CML, LVCMOS, LVTTL signals levels. SCLK and SDATA inputs operate up to 20 MHz. SLOAD input loads and latches the output select data. The SDATAOUT pin permits cascading multiple devices. Outputs are optimized for minimal output-to-output skew and low jitter
Features
Typical Input Clock Frequency > 2 GHz High Frequency 200 ps Typical Rise and Fall Times Critical Edge Placement 800 ps Typical Propagation Delay Output to Output Skew 150 ps 2 ps RMS Typical Additive Clock Jitter Operating Range: VCC = 2.375 V to 3.6 V with VEE = 0 V Differential LVPECL Output Level (Typ 700 mV Peak-to-Peak) Low Profile 8x8 mm, 52 QFN Package
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