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501BMILFT

更新时间: 2024-02-07 08:57:28
品牌 Logo 应用领域
艾迪悌 - IDT 时钟
页数 文件大小 规格书
7页 177K
描述
LOCO™ PLL CLOCK MULTIPLIER

501BMILFT 数据手册

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DATASHEET  
LOCO™ PLL CLOCK MULTIPLIER  
ICS501B  
Description  
Features  
TM  
The ICS501B LOCO is the most cost effective way to  
Packaged as 8 pin SOIC or die  
Pb (lead) free package  
IDT’s lowest cost PLL clock  
Zero ppm multiplication error  
Output clock frequencies up to 15 MHz  
Extremely low jitter of 25 ps (one sigma)  
Compatible with popular CPUs  
Duty cycle of 45/55 up to 20 MHz  
Nine selectable frequencies  
Operating voltage of 3.3 V or 5.5 V  
Tri-state output for board level testing  
25 mA drive capability at TTL levels  
Ideal for oscillator replacement  
Industrial temperature version available  
Advanced, low-power CMOS process  
generate a high-quality clock output from a lower  
frequency crystal or clock input. The name LOCO  
stands for Low Cost Oscillator, as it is designed to  
replace crystal oscillators in most electronic systems.  
Using Phase-Locked Loop (PLL) techniques, the  
device uses a standard fundamental mode,  
inexpensive crystal to produce output clocks up to 15  
MHz.  
Stored in the chip’s ROM is the ability to generate nine  
different multiplication factors, allowing one chip to  
output many common frequencies (see table on page  
2).  
The device also has an output enable pin which  
tri-states the clock output when the OE pin is taken low.  
This product is intended for clock generation. It has low  
output jitter (variation in the output period), but input to  
output skew and jitter are not defined or guaranteed.  
For applications which require defined input to output  
skew, use the ICS570B.  
Block Diagram  
VDD  
2
S1:0  
PLL Clock  
Multiplier  
Circuitry  
and ROM  
X1/ICLK  
CLK  
Crystal or  
Clock input  
Crystal  
Oscillator  
X2  
Optional crystal capacitors  
OE  
GND  
IDT™ / ICS™ LOCO™ PLL CLOCK MULTIPLIER  
1
ICS501B  
REV F 051310  

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