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SI51211-A11071-GM

Description
PLL Based Clock Driver,
Categorylogic    logic   
File Size396KB,15 Pages
ManufacturerSilicon Laboratories Inc
Environmental Compliance
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SI51211-A11071-GM Overview

PLL Based Clock Driver,

SI51211-A11071-GM Parametric

Parameter NameAttribute value
Is it Rohs certified?conform to
MakerSilicon Laboratories Inc
package instruction,
Reach Compliance Codeunknown
Samacsys DescriptionThree Output Factory Programmable Clock Generator, TDFN8
Logic integrated circuit typePLL BASED CLOCK DRIVER
Peak Reflow Temperature (Celsius)NOT SPECIFIED
Maximum time at peak reflow temperatureNOT SPECIFIED
Si51211 Data Sheet
Three Output Factory Programmable Clock Generator
The factory programmable Si51211 is a low power, small footprint and frequency flexible
programmable clock generator targeting low power, low cost and high volume consumer
and embedded applications. The device operates from a single crystal or an external
clock source and generates 1 to 3 outputs up to 170 MHz. The device is factory pro-
grammed to provide customized output frequencies and control input such as frequency
select, spread spectrum on, power down and output enable. Center spread spectrum
can also be programmed to reduce EMI to meet board level system requirements.
Applications
• Crystal/XO replacement
• EMI reduction
• Portable devices
• Digital still camera
• IP phone
• Smart meter
KEY FEATURES
• Generates up to 3 CMOS clock outputs
from 3 to 170 MHz
• Accepts crystal or reference clock input
• 3 to 165 MHz reference clock input
• 8 to 48 MHz crystal input
• Programmable FSEL, SSONb, PD, and OE
input functions
XIN/
3
CLKIN
PLL with
Modulation
Control
Buffers,
Dividers,
and
Switch
Matrix
4
SSCLK1/
REFCLK/
OE/FSEL/
SSONb
XOUT 2
VDDO 8
VDD 1
To Pin 7
V-REG
To Core
Programmable
Configuration
Register
SSCLK2/
6 OE/SSONb/PD
To Pin 4 and Pin 6
VSS 5
7
SSCLK3
(VDDO)
silabs.com
| Smart. Connected. Energy-friendly.
Rev. 1.0

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