Si52112-A1/A2 PCI-EXPRESS GEN 1 DUAL OUTPUT CLOCK GENERATOR Features PCI-Express Gen 1 compliant 3.3 V Power supply Low power HCSL differential Small package 10-pin TDFN output buffers (3x3 mm) Supports Serial-ATA (SATA) at Si52112-A1 does not support 100 MHz spread spectrum outputs No termination resistors required Si52112-A2 supports 0.5% down spread outputs 25 MHz Crystal Input or Clock input For PCIe Gen 2 applications, see Si52112-B3/B4 Triangular spread spectrum Ordering Information: profile for maximum EMI For PCIe Gen 3 applications, see See page 13 reduction (Si52112-A2) Si52112-B5/B6 Extended Temperature: 40 to 85 C Pin Assignments Applications VDD 1 10 VDD Network Attached Storage Wireless Access Point Multi-function Printer Routers XOUT 2 9 DIFF2 3 8 DIFF2 XIN/CLKIN Description VSS 7 4 DIFF1 Si52112-A1/A2 is a high-performance, PCIe clock generator that can source two PCIe clocks from a 25 MHz crystal or clock input. The clock VSS 5 6 DIFF1 outputs are compliant to PCIe Gen1 specifications. The ultra-small footprint (3x3 mm) and industry leading low power consumption make Si52112-A1/A2 the ideal clock solution for consumer and embedded Patents pending applications. VDD DIFF1 XIN/CLKIN PLL Divider DIFF2 XOUT VSS Skyworks Solutions, Inc. Phone 781 376-3000 Fax 781 376-3100 sales skyworksinc.com www.skyworksinc.com Rev. 1.2 Skyworks Proprietary Information Products and Product Information are Subject to Change Without Notice August 31, 2021Si52112-A1/A2 2 Skyworks Solutions, Inc. Phone 781 376-3000 Fax 781 376-3100 sales skyworksinc.com www.skyworksinc.com Rev. 1.2 Skyworks Proprietary Information Products and Product Information are Subject to Change Without Notice August 31, 2021