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SI53119

Part Number	SI53119
Manufacturer	Silicon Laboratories
Description	19-OUTPUT PCIE GEN 3 BUFFER
Published	Mar 4, 2016
Detailed Description	Si53119 19-OUTPUT PCIE GEN 3 BUFFER Features  Nineteen 0.7 V low-power, push-  PLL or bypass mode pull HCSL PCIe G...
Datasheet	SI53119 PDF File

Overview

Si53119 19-OUTPUT PCIE GEN 3 BUFFER Features  Nineteen 0.
7 V low-power, push-  PLL or bypass mode pull HCSL PCIe Gen 3 outputs  Spread spectrum tolerable  100 MHz /133 MHz PLL  1.
05 to 3.
3 V I/O supply voltage  operation, supports PCIe and QPI  PLL bandwidth SW SMBUS programming overrides the latch   value from HW pin 50 ps output-to-output skew 50 ps cyc-cyc jitter (PLL mode) Low phase jitter (Intel QPI, PCIe Gen 1/2/3/4 common clock compliant)   9 selectable SMBUS addresses SMBus address configurable to allow multiple buffers in a single   Gen 3 SRNS Compliant 100 ps input-to-output delay control network 3.
3 V supply  Extended Temperature: voltage operation –40 to 85 °C  Separate VDDIO for outputs  72-pin QFN  For variations of this device, contact Silicon Labs Ordering Information: See page 31.
Pin Assignments 72 DIF_18 71 DIF_18 70 GND 69 VDD_IO 68 DIF_17 67 DIF_17 66 DIF_16 65 DIF_16 64 VDD 63 GND 62 DIF_15 61 DIF_15 60 DIF_14 59 DIF_14 58 GND 57 VDD_IO 56 DIF_13 55 DIF_13 Applications  Server  Storage  Data center  Enterprise switches and routers Description The Si53119 is a 19-output, low-power HCSL differential clock buffer that meets all of the performance requirements of the Intel DB1200ZL specification.
The device is optimized for distributing refere nce clocks for Intel® QuickPath Interconnect (Intel QPI), PCIe Gen 1/Gen 2/Gen 3/ Gen 4, SAS, SATA, and Intel Scalable Memory Interconnect (Intel SMI) applications.
The VCO of the device is optimized to support 100 MHz and 133 MHz operation.
Each differential output can be enabled through I2C for maximum flexibility and power savings.
Measuring PCIe clock jitter is quick and easy with the Silicon Labs PCIe Clock Jitter Tool.
Download it for free at www.
silabs.
com/pcie-learningcenter.
VDDA 1 GNDA 2 100M_133M 3 HBW_BYPASS_LBW 4 PWRGD / PWRDN 5 GND 6 VDDR 7 CLK_IN 8 CLK_IN 9 SA_0 10 SDA 11 SCL 12 SA_1 13 FBOUT_NC 14 FBOUT_NC 15 GND 16 DIF_0 17 DIF_0 18 Si53119 ...

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