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ICS8402AYILF Datasheet(PDF) 1 Page - Integrated Device Technology |
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ICS8402AYILF Datasheet(HTML) 1 Page - Integrated Device Technology |
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1 / 19 page  350MHZ, CRYSTAL-TO-LVCMOS/LVTTL FREQUENCY SYNTHESIZER ICS8402I IDT™ / ICS™ LVCMOS/LVTTL FREQUENCY SYNTHESIZER 1 ICS8402AYI REV. A OCTOBER 16, 2007 General Description The ICS8402I is a general purpose, Crystal-to-LVCMOS/LVTTL High Frequency Synthesizer and a member of the HiPerClockS™ family of High Performance Clock Solutions from IDT. The ICS8402I has a selectable TEST_CLK or crystal inputs. The VCO operates at a frequency range of 250MHz to 700MHz. The VCO frequency is programmed in steps equal to the value of the input reference or crystal frequency. The VCO and output frequency can be programmed using the serial or parallel interfaces to the configuration logic. The low phase noise characteristics of the ICS8402I make it an ideal clock source for Gigabit Ethernet and SONET applications. Features • Two LVCMOS/LVTTL outputs • Selectable crystal oscillator interface or LVCMOS/LVTTL TEST_CLK • Output frequency range: 15.625MHz to 350MHz • Crystal input frequency range: 12MHz to 40MHz • VCO range: 250MHz to 700MHz • Parallel or serial interface for programming counter and output dividers • RMS period jitter: 30ps (maximum) • Cycle-to-cycle jitter: 100ps (maximum) • Full 3.3V or mixed 3.3V core/2.5V output supply • -40°C to 85°C ambient operating temperature • Available in both standard (RoHS 5) and lead-free (RoHS 6) packages Block Diagram HiPerClockS™ ICS OSC OE0 OE1 VCO_SEL XTAL_SEL TEST_CLK XTAL_IN XTAL_OUT S_LOAD S_DATA S_CLOCK nP_LOAD M0:M8 N0:N1 VCO PLL Q0 Q1 TEST CONFIGURATION INTERFACE LOGIC ÷ M 0 1 0 1 PHASE DETECTOR ÷2 ÷4 ÷8 ÷16 MR 32 31 30 29 28 27 26 25 9 10 11 12 13 14 15 16 1 2 3 4 5 6 7 8 24 23 22 21 20 19 18 17 XTAL_OUT TEST_CLK XTAL_SEL VDDA S_LOAD S_DATA S_CLOCK MR M5 M6 M7 M8 N0 N1 nc GND Pin Assignment ICS8402I 32 Lead LQFP 7mm x 7mm x 1.4mm package body Y Package Top View 32 Lead VFQFN 5mm x 5mm x 0.925mm package body K Package Top View |
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