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CDCVF857DGGRG4 数据表(PDF) 11 Page - Texas Instruments |
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CDCVF857DGGRG4 数据表(HTML) 11 Page - Texas Instruments |
11 / 22 page www.ti.com ClockInputs andOutputs 80% 20% 80% 20% t r t f V ,V OH IH V ,V OL IL t slr(I/O) = t r V – V 80% 20% t slf(I/O) = t f V – V 80% 20% T0179-01 V DDQ AV DD AGND GND Card Via Card Via 4.7 F 1206 m 0.1 F 0603 m 2200pF 0603 (1) PLL S0232-01 Bead 0603 (2) CDCVF857 SCAS047F – MARCH 2003 – REVISED MAY 2007 PARAMETER MEASUREMENT INFORMATION (continued) Figure 9. Input and Output Slew Rates (1) Place the 2200-pF capacitor close to the PLL. (2) Recommended bead: Fair-Rite P/N 2506036017Y0 or equilvalent (0.8 Ω dc maximum, 600 Ω at 100 MHz). NOTE: Use a wide trace for the PLL analog power and ground. Connect PLL and capacitors to AGND trace and connect trace to one GND via (farthest from the PLL). Figure 10. Recommended AVDD Filtering 11 Submit Documentation Feedback |
类似零件编号 - CDCVF857DGGRG4 |
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类似说明 - CDCVF857DGGRG4 |
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