Si51218 Data Sheet Three Output Factory Programmable Clock Generator KEY FEATURES The factory programmable Si51218 is a low power, small footprint and frequency flexible programmable clock generator targeting low power, low cost and high volume consumer Generates up to 3 LVCMOS clock outputs from 32.768 kHz to 170 MHz and embedded applications. The device operates from a single crystal or an external clock source and generates up to 3 outputs from 32.768 kHz to 170 MHz. The device is Accepts crystal or reference clock input factory programmed to provide customized output frequencies and control input such as 3 to 165 MHz reference clock input power down and output enable. 8 to 48 MHz crystal input Programmable OE input function Applications Portable devices DTV/IPTV Crystal/XO replacement Digital media players 4 CLKOUT1/REFOUT1 PLL with XIN/ (VDD)/OE 3 Modulation CLKIN Control Buffers, Dividers, 2 XOUT CLKOUT2/REFOUT2 and 6 (VDDO)/ Switch OE 8 To Pin 6/7 Programmable VDDO Matrix Configuration Register 1 V-REG To Core VDD To Pin 4 7 CLKOUT3 (VDDO) VSS 5 Skyworks Solutions, Inc. Phone 781 376-3000 Fax 781 376-3100 sales skyworksinc.com www.skyworksinc.com 1 Rev. 1.1 Skyworks Proprietary Information Products and Product Information are Subject to Change Without Notice December 1, 2021 1Table of Contents 1. Feature List................................3 2. Design Considerations............................4 2.1 Typical Application Schematic.........................4 2.2 Comments and Recommendations .......................4 3. Electrical Specifications ...........................5 4. Functional Description............................8 4.1 Input Frequency Range...........................8 4.2 Output Frequency Range and Outputs......................8 4.3 Output Enable (OE) ............................8 5. Pin Description ..............................9 6. Ordering Guide ............................. 10 7. Package Outline ..............................11 8. PCB Land Pattern ............................ 13 9. Revision History............................. 14 Skyworks Solutions, Inc. Phone 781 376-3000 Fax 781 376-3100 sales skyworksinc.com www.skyworksinc.com 2 Rev. 1.1 Skyworks Proprietary Information Products and Product Information are Subject to Change Without Notice December 1, 2021 2