SI5355A-A01329-GMR PDF预览

SI5355A-A01329-GMR

更新时间: 2025-07-27 10:51:59
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芯科 - SILICON /
页数 文件大小 规格书
22页 263K
描述
Clock Generator

SI5355A-A01329-GMR 数据手册

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Si5355  
ANY-FREQUENCY 1–200 MHZ QUAD FREQUENCY  
8-OUTPUT CLOCK GENERATOR  
Features  
Generates any frequency from 1 to  
200 MHz on each of the 4 output banks  
Eight CMOS clock outputs  
Guaranteed 0 ppm frequency synthesis  
error for any combination of frequencies  
Excellent PSRR performance  
eliminates need for external power  
supply filtering  
Low power: 45 mA (core)  
Core VDD: 1.8, 2.5, or 3.3 V  
25 or 27 MHz xtal or 5–200 MHz input clkSeparate VDDO for each bank of  
outputs: 1.8, 2.5, or 3.3 V  
Small size: 4x4 mm 24-QFN  
Industrial temperature range:  
–40 to +85 °C  
Five programmable control pins (output  
enable, frequency select, reset)  
Separate OEB pins to disable individual  
banks or all outputs  
Ordering Information:  
See page 17.  
Loss of signal output  
Low 50 ps (typ) pk-pk period jitter  
Phase jitter: 2 ps rms 12 kHz–20 MHz  
Custom versions available using  
ClockBuilder™ web utility  
Samples available in 2 weeks  
Pin Assignments  
Applications  
Top View  
Printers  
Storage  
Switches/routers  
Computing  
Servers  
OC-3/OC-12 line cards  
Audio/video  
Networking  
Communications  
24  
23  
22  
21  
20  
19  
18  
XA  
1
CLK2  
17  
16  
2
3
XB  
P1  
CLK3  
Description  
VDDOB  
GND
The Si5355 is a highly flexible clock generator capable of synthesizing four  
completely non-integer related frequencies up to 200 MHz. The device has four  
banks of outputs with each bank supporting two CMOS outputs at the same  
frequency. Using Silicon Laboratories' patented MultiSynth fractional divider  
technology, all outputs are guaranteed to have 0 ppm frequency synthesis error  
regardless of configuration, enabling the replacement of multiple clock ICs and  
crystal oscillators with a single device. Through a flexible web configuration utility  
called ClockBuilder™ (www.silabs.com/ClockBuilder), factory-customized pin-  
controlled Si5355 devices are available in two weeks without minimum order  
quantity restrictions. The Si5355 supports up to three independent, pin-selectable  
device configurations, enabling one device to replace three separate clock ICs.  
15  
14  
13  
CLKIN  
4
5
6
VDDOC  
CLK4  
P4  
P5  
CLK5  
7
8
9
10  
11  
12  
Functional Block Diagram  
Rev. 1.0 4/12  
Copyright © 2012 by Silicon Laboratories  
Si5355  

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