PCI-EXPRESS GEN 1 DUAL OUTPUT CLOCK GENERATOR
Si52112-A1/A2
PCI-EXPRESS GEN 1 DUAL OUTPUT CLOCK GENERATOR
Features
PCI-Express Gen 1 compliant 3.3 V Power supp...
Description
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 output buffers
Small package 10-pin TDFN (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
25 MHz Crystal Input or Clock
spread outputs
input
For PCIe Gen 2 applications, see
Triangular spread spectrum
Si52112-B3/B4
profile for maximum EMI
For PCIe Gen 3 applications, see
reduction (Si52112-A2)
Si52112-B5/B6
Extended Temperature:
–40 to 85 °C
Applications
Network Attached Storage Multi-function Printer
Wireless Access Point Routers
Description
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 outputs are compliant to PCIe Gen 1 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 applications.
Ordering Information: See page 13
Pin Assignments
VDD 1 XOUT 2 XIN/CLKIN 3
VSS 4 VSS 5
10 VDD 9 DIFF2 8 DIFF2 7 DIFF1 6 DIFF1
Patents pending
VDD
XIN/CLKIN XOUT
PLL Divider
DIFF1 DIFF2
VSS
Rev 1.2 7/14
Copyright © 2014 by Silicon Laboratories
Si52112-A1/A2
Si52112-A1/A2
2 Rev 1.2
TABLE OF CONTENTS
Si52112-A1/A2
Section
Page
1. Electrical Specifications . . . . . . ...
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