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ICS8430-62 Datasheet(PDF) 15 Page - Integrated Device Technology |
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ICS8430-62 Datasheet(HTML) 15 Page - Integrated Device Technology |
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15 / 23 page ![]() ICS8430-62 Datasheet 500MHz CRYSTAL-TO-3.3V, 2.5V DIFFERENTIAL LVPECL FREQUENCY SYNTHESIZER ICS8430AY-62 REVISION A JULY 2, 2009 15 ©2009 Integrated Device Technology, Inc. Schematic Example The schematic of the ICS8430-62 layout example used in this layout guideline is shown in Figure 7A. The ICS8430-62 recommended PCB board layout for this example is shown in Figure 7B. This layout example is used as a general guideline. The layout in the actual system will depend on the selected component types, the density of the components, the density of the traces, and the stack up of the P.C. board. Figure 7A. ICS8430-62 Schematic of Recommended Layout R4 84 X1 C11 0.01u R3 125 Zo = 50 Ohm Zo = 50 Ohm C1 C15 0.1u R1 125 R7 10 C16 10u C14 0.1u + - R2 84 C2 VCC U1 M5 1 M6 2 M7 3 M8 4 N0 5 N1 6 N2 7 VEE 8 MR 17 S_CLOCK 18 S_DATA 19 S_LOAD 20 VCCA 21 XTAL_SEL 22 REF_CLK 23 XTAL_OUT 24 VCC VCC VCCA RU1 1K RD1 SP VCC RU2 SP RD2 1K VCC To Logic Input pins Set Logic Input to '0' Set Logic Input to '1' Logic Input Pin Examples To Logic Input pins SP = Spare Pads VCC=3.3V |
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