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IDT8N3S270 Datasheet(PDF) 1 Page - Integrated Device Technology |
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IDT8N3S270 Datasheet(HTML) 1 Page - Integrated Device Technology |
1 / 19 page DATA SHEET IDT8N3S270CCD REVISION A MAY 15, 2012 1 ©2012 Integrated Device Technology, Inc. LVPECL Frequency-Programmable Crystal Oscillator IDT8N3S270 General Description The ICS8N3S270 is a Frequency-Programmable Crystal Oscillator with very flexible frequency programming capabilities. The device uses IDT’s fourth generation FemtoClock® NG technology for an optimum of high clock frequency and low phase noise performance. The device accepts 2.5V or 3.3V supply and is packaged in a small, lead-free (RoHS 6) 6-lead ceramic 5mm x 7mm x 1.55mm package. The device can be factory programmed to any frequency in the range from 15.476MHz to 866.67MHz and from 975MHz to 1,300MHz and supports a very high degree of frequency precision of 218Hz or better. The extended temperature range supports wireless infrastructure, telecommun- ication and networking end equipment requirements. Features • Fourth generation FemtoClock® NG technology • Factory-programmable clock output frequency from 15.476MHz to 866.67MHz and from 975MHz to 1,300MHz • Frequency programming resolution is 218Hz and better • One 2.5V or 3.3V LVPECL clock output • Output enable control (positive polarity), LVCMOS/LVTTL compatible • RMS phase jitter @ 156.25MHz (12kHz - 20MHz): 0.24ps (typical), integer PLL feedback configuration • RMS phase jitter @ 156.25MHz (1kHz - 40MHz): 0.27ps (typical), integer PLL feedback configuration • 2.5V or 3.3V supply • -40°C to 85°C ambient operating temperature • Available in a lead-free (RoHS 6) 6-pin ceramic package 1 2 3 6 5 4 OE DNU VEE VCC nQ Q IDT8N3S270 6-lead ceramic 5mm x 7mm x 1.55mm package body CD Package Top View Pin Assignment Block Diagram Q nQ OSC fXTAL ÷MINT, MFRAC PFD & LPF FemtoClock® NG VCO 1950-2600MHz ÷N Configuration Register (ROM) 25 7 OE Pullup 2 ÷P |
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