SI52111-B6-GM2R

S i5 2111- B 5/ B6 PCI-E XPRESS G EN 3 S INGLE O UTPUT C LOCK G ENERATOR Features       PCI-Express Gen 1, Gen 2,  Gen 3, and Gen 4 common clock compliant Gen 3 SRNS Compliant  Low power HCSL differential output buffer  Supports Serial-ATA (SATA) at  100 MHz No termination resistors required  25 MHz Crystal Input or Clock input  Triangular spread spectrum profile for maximum EMI reduction (Si52111-B6) Extended Temperature: –40 to 85 °C 3.3 V Power supply Small package 10-pin TDFN (3x3 mm) Si52111-B5 does not support spread spectrum outputs Si52111-B6 supports 0.5% down spread outputs Ordering Information: See page 13 Applications   Network Attached Storage Multi-function Printer   Wireless Access Point Routers Pin Assignments Description Si52111-B5/B6 is a high-performance, PCIe clock generator that can source one PCIe clock output from a 25 MHz crystal or clock input. The clock output is compliant to PCIe Gen 1, Gen 2, Gen 3, Gen 3 SRNS and Gen 4 common clock specifications. The ultra-small footprint (3x3 mm) and industry leading low power consumption make Si52111-B5/B6 the ideal clock solution for consumer and embedded applications. 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. Functional Block Diagram VDD 1 10 VDD XOUT 2 9 NC XIN/CLKIN 3 8 NC VSS 4 7 DIFF1 VSS 5 6 DIFF1 Patents pending VDD XIN/CLKIN PLL Divider DIFF1 XOUT VSS Rev 1.2 12/15 Copyright © 2015 by Silicon Laboratories Si52111-B5/B6 Si52111 -B5/B6 2 Rev 1.2 Si52111-B5/B6 TABLE O F C ONTENTS Section Page 1. Electrical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2. Crystal Recommendations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 2.1. Crystal Loading . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 2.2. Calculating Load Capacitors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 3. Test and Measurement Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 4. Pin Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 4.1. 10-Pin TDFN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 4.2. 8-Pin TSSOP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 5. Ordering Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 6. Package Outlines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 6.1. TDFN Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 6.2. TSSOP Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 7. Recommended Design Guideline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Document Change List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Rev 1.2 3 Si52111 -B5/B6 1. Electrical Specifications Table 1. Recommended Operating Conditions Parameter Supply Voltage (extended) Supply Voltage (commercial) Symbol Test Condition Min Typ Max Unit VDD(extended) 3.3 V ± 5% 3.13 3.3 3.46 V VDD(commercial) 3.3 V ± 10% 2.97 3.3 3.63 V Table 2. DC Electrical Specifications Parameter Symbol Test Condition Min Typ Max Unit Operating Voltage VDD 3.3 V ± 10% 2.97 3.30 3.63 V Operating Supply Current IDD Full Active — — 13 mA Input Pin Capacitance CIN Input Pin Capacitance — 3 5 pF COUT Output Pin Capacitance — — 5 pF Output Pin Capacitance Table 3. AC Electrical Specifications Parameter Symbol Test Condition Min Typ Max Unit LACC Measured at VDD/2 differential — — 250 ppm TDC Measured at VDD/2 45 — 55 % CLKIN Rise and Fall Times TR/TF Measured between 0.2 VDD and 0.8 VDD 0.5 — 4.0 V/ns CLKIN Cycle-to-Cycle Jitter TCCJ Measured at VDD/2 — — 250 ps CLKIN Long Term Jitter TLTJ Measured at VDD/2 — — 350 ps Input High Voltage VIH XIN/CLKIN pin 2 — VDD+0.3 V Input Low Voltage VIL XIN/CLKIN pin — — 0.8 V Input High Current IIH XIN/CLKIN pin, VIN = VDD — — 35 uA Input Low Current IIL XIN/CLKIN pin, 0 < VIN