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PL123-05N Datasheet(PDF) 1 Page - Micrel Semiconductor |
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PL123-05N Datasheet(HTML) 1 Page - Micrel Semiconductor |
1 / 8 page PL123-05N/-09N Low Skew Fanout Buffer Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1(408) 944-0800 • fax +1(408) 474-1000 • www.micrel.com Rev 03/15/12 Page 1 FEATURES Output fanout buffer for DC to 134MHz Output Options: o 1:5 output fanout with PL123-05 o 1:9 output fanout with PL123-09 Low power consumption for portable applications Low input-output delay Output-Output skew less than 250ps Low Additive Phase Jitter of 60fs RMS 2.5V to 3.3V, ±10% operation 1.8V ±10% operation up to 67MHz Operating temperature range from -40°C to 85°C Available in 16-Pin SOP (PL123-09) and 8-Pin SOP (PL123-05). Both are GREEN/RoHS packag- es. DESCRIPTION The PL123-05N and PL123-09N are a low-cost fanout buffers for distributing high-speed clocks with low output to output skew and preserving low noise properties. The fanout buffers accept an input from DC to 134MHz and provide 5 or 9 outputs of the same frequency. A typical PL123-09N application for driving SDRAM in PC systems would use eight outputs to drive two DIMMs, or four SO-DIMMs, with the re- maining output used for driving an external feed- back to a PLL. A typical PL123-05N application is to fanout a low noise CMOS clock oscillat or to 5 low noise CMOS clocks. These parts are not intended for 5V input-tolerant ap- plications. BLOCK DIAGRAM AND PACKAGE PINOUT REF CLK1 CLK2 CLK3 CLK4 CLK5 CLK6 CLK7 CLK8 CLK9 1 REF CLK1 CLK2 VDD CLK9 CLK8 CLK7 VDD GND CLK6 CLK5 GND 10 11 12 13 14 15 16 9 8 7 6 5 4 3 2 VDD CLK4 CLK3 GND SOP-16L REF CLK1 CLK2 CLK3 CLK4 CLK5 1 REF CLK1 CLK2 GND CLK5 CLK4 VDD CLK3 5 6 7 8 4 3 2 SOP-8L |
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