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PI6LC48H04 Datasheet(PDF) 2 Page - Pericom Semiconductor Corporation |
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PI6LC48H04 Datasheet(HTML) 2 Page - Pericom Semiconductor Corporation |
2 / 11 page 2 www.pericom.com PI6LC48H04 Rev.A 04/07/2015 All trademarks are property of their respective owners. PI6LC48H04 PCIe 3.0 and Ethernet Clock Generator with 4 HCSL Outputs Pin Description Pin # Pin Name I/O Type Description 1 VDDX Power Crystal supply pin. 2 OE0&1 Input Pull-up Output enable pin for Q0+/- and Q1+/-. When HIGH, output is enabled and active. When LOW, output is disabled and in high impedance state. Don’t care if OE is LOW. Internal 343kΩpull-up resistor. 3 S0 Input Pull-up Frequency select pin. Internal 343kΩ pull-up resistor. 4 S1 Input Pull-up Frequency select pin. Internal 343kΩ pull-up resistor. 5 XTAL_IN/CLK Input Crystal or clock input. Connect to a 25MHz crystal or single ended clock. 6 XTAL_OUT Output Crystal output. Leave unconnected for clock input. 7 PD# Input Pull-up Power down pin. When HIGH, the device is in normal operation. When LOW, the device is in power down mode and all outputs are in high impedance state. Internal 343kΩ pull-up resistor. 8 OE Input Pull-up Output enable pin for all outputs. When HIGH, Q2+/- and Q3+/- are en- abled and active and Q0+/- and Q1+/- depends on OE0&1. When LOW, all outputs are disabled and in high impedance state and not dependent on OE0&1. Internal 343kΩ pull-up resistor. 9 GNDX Power Crystal ground. 10 VSWING_ CTRL Input Pull-up and pull down VOH selection pin for all outputs. Tri-level selction for different voltage swings. 11,12 Q3-, Q3+ Output Low power HCSL clock output 3. 13,14 Q2-, Q2+ Output Low power HCSL clock output 2. 15 VDDOA Power Analog and output supply pin. 16 GNDOA Power Analog and output ground. 17,18 Q1-, Q1+ Output Low power HCSL clock output 1. 19,20 Q0-, Q0+ Output Low power HCSL clock output 0. Table 1: Output Select Table (25MHz Xtal Input) S1 S0 CLK(MHz) 0 0 156.25 0 1 100 1 0 125 1 1 200 (Default) Table 2: Output Enable Table OE OE0&1 Q0+/- Q1+/- Q2+/- Q3+/- 0 0 HiZ HiZ HiZ HiZ 0 1 HiZ HiZ HiZ HiZ 1 0 HiZ HiZ Active Active 1 (Default) 1 (Default) Active Active Active Active Table 1a: Output Select Table (Generating other frequencies) Xtal Input Freq. S1 S0 CLK(MHz) 21.33MHz 0 0 133.3MHz 26.66MHz 1 0 133.3MHz Note: Above frequencies are only for the provided settings. Do not deviate from provided S1, S0 settings. For any other output frequencies, please contact Pericom 15-0047 |
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