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XR81411TR-F Datasheet(PDF) 5 Page - Exar Corporation |
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XR81411TR-F Datasheet(HTML) 5 Page - Exar Corporation |
5 / 15 page © 2014 Exar Corporation XR81411 5 / 15 exar.com/XR81411 Rev 1A Pin Assignments Pin No. Pin Name Type Description 1 Q1 Output Channel 1 Positive Clock Output 2Q1 Output Channel 1Inverted Clock Output 3 VDD1C Power Channel 1 Core Supply Voltage 4 XTAL_IN Input Crystal oscillator input. 5 XTAL_OUT Output Crystal oscillator output (external reference input) 6 FSEL1_4 Input (900K pull-dwn) Channel 4 Output frequency select 1, MSB (LVCMOS/LVTTL input). 7 FSEL0_4 Input (900K pull-dwn) Channel 4 Output frequency select 0, LSB (LVCMOS/LVTTL input). 8 NC No Connection Do not connect. 9 GND GND Ground. 10 OE_4 Input (900K pull-up) Channel 4 Output enable - LVCMOS/LVTTL active high input. Outputs are enabled when OE = high. Outputs are disabled when OE = low. 11 VDD4C Power Channel 4 Core Supply Voltage. ) 12 Q4 Output Channel 4 Positive Clock Output. 13 Q4 Output Channel 4 Inverted Clock Output. 14 VDD4D Power Channel 4 Driver Supply Voltage.) 15 FSEL1_3 Input (900K pull-dwn) Channel 3 Output frequency select 1, MSB (LVCMOS/LVTTL input). 16 FSEL0_3 Input (900K pull-dwn) Channel 3 Output frequency select 0, LSB (LVCMOS/LVTTL input). 17 NC No Connection Do not connect. 18 GND GND Ground. 19 OE_3 Input (900K pull-up) Channel 3 Output enable - LVCMOS/LVTTL active high input. Outputs are enabled when OE = high. Outputs are disabled when OE = low. 20 VDD3 Power Channel 3 Core and Driver Supply Voltage. 21 Q3 Output Channel 3 Positive Clock Output. 22 Q3 Output Channel 3 Inverted Output. 23 FSEL1_2 Input (900K pull-dwn) Channel 2 Output frequency select 1, MSB (LVCMOS/LVTTL input). 24 FSEL0_2 Input (900K pull-dwn) Channel 2 Output frequency select 0, LSB (LVCMOS/LVTTL input). 25 NC No Connection Do not connect. 26 OE_2 Input (900K pull-up) Channel 2 Output enable - LVCMOS/LVTTL active high input. Outputs are enabled when OE = high. Outputs are disabled when OE = low. 27 GND GND Ground. |
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