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Si52112-A1

Description
pci-express gen 1 dual output clock generator
Categorysemiconductor    Analog mixed-signal IC   
File Size1MB,20 Pages
ManufacturerSilicon
Download Datasheet View All

Si52112-A1 Overview

pci-express gen 1 dual output clock generator

S i 5 2 11 2 - A 1 / A 2
PCI-E
XPRESS
G
EN
1
Features
DUAL
O
UTPUT
C
LOCK
G
ENERATOR
PCI-Express Gen 1 compliant
Low power HCSL differential
output buffers
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 (Si52112-A2)
Extended Temperature:
–40 to 85 °C
3.3 V Power supply
Small package 10-pin TDFN
(3x3 mm)
Si52112-A1 does not support
spread spectrum outputs
Si52112-A2 supports 0.5% down
spread outputs
For PCIe Gen 2 applications, see
Si52112-B3/B4
For PCIe Gen 3 applications, see
Si52112-B5/B6
Ordering Information:
See page 13
Pin Assignments
Applications
Network Attached Storage
Multi-function Printer
Wireless Access Point
Routers
VDD
XOUT
XIN/CLKIN
VSS
1
2
3
4
5
10
9
8
7
6
VDD
DIFF2
DIFF2
DIFF1
DIFF1
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.
VDD
VSS
Patents pending
DIFF1
XIN/CLKIN
XOUT
PLL
Divider
DIFF2
VSS
Rev 1.2 7/14
Copyright © 2014 by Silicon Laboratories
Si52112-A1/A2
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