ICS525R-11LFT IDT, Integrated Device Technology Inc, ICS525R-11LFT Datasheet

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ICS525R-11LFT

Manufacturer Part Number
ICS525R-11LFT
Description
IC PECL CLK USER CONFIG 28-SSOP
Manufacturer
IDT, Integrated Device Technology Inc
Type
Clock Generator, Fanout Distributionr
Datasheet

Specifications of ICS525R-11LFT

Pll
Yes with Bypass
Input
Clock, Crystal
Output
CMOS
Number Of Circuits
1
Ratio - Input:output
2:2
Differential - Input:output
No/No
Frequency - Max
40MHz
Divider/multiplier
Yes/No
Voltage - Supply
3 V ~ 5.5 V
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
28-SSOP
Frequency-max
40MHz
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
525R-11LFT
USER CONFIGURABLE CLOCK
IDT™ / ICS™ USER CONFIGURABLE CLOCK
Description
The ICS525-01/02/11/12 are the most flexible way to
generate a high-quality, high-accuracy, high-frequency
clock output from an inexpensive crystal or clock input.
The user can configure the device to produce nearly
any output frequency from any input frequency by
grounding or floating the select pins. Neither
microcontroller, software, nor device programmer are
needed to set the frequency. Using Phase-Locked Loop
(PLL) techniques, the device accepts a standard
fundamental mode, inexpensive crystal to produce
output clocks up to 250 MHz. It can also produce a
highly accurate output clock from a given input clock,
keeping them frequency locked together.
For similar capability with a serial interface, use the
ICS307. For simple multipliers to produce common
frequencies, refer to the ICS50x family of parts, which
are smaller and more cost effective.
These products are intended for clock generation. They
have low output jitter (variation in the output period), but
input to output skew and jitter are not defined nor
guaranteed. For applications which require defined
input to output timing, use the ICS527-01.
Block Diagram
Crystal or clock
input
Optional crystal capacitors
X1/ICLK
X2
PD
Oscillator
Crystal
Reference
R6:R0
Divider
7
Phase Comparator,
Charge Pump, and
Loop Filter
1
Divider
V8:V0
9
VCO
Features
Packaged as 28-pin SSOP (150 mil body)
Industrial and commercial versions available in Pb
(lead) free package
User determines the output frequency by setting all
internal dividers
Eliminates need for custom oscillators
No software needed
Online calculator determines register settings
Pull-ups on all select inputs
Input crystal frequency of 5 - 27 MHz
Input clock frequency of 2 - 50 MHz
Very low jitter
Duty cycle of 45/55 up to 200 MHz
Operating voltage of 3.0 V or 5.5 V
Ideal for oscillator replacement
Industrial temperature version available
For Zero Delay, refer to the ICS527
2
2
VDD
GND
VCO
ICS525-01/02/11/12
S2:S0
Output
Divider
3
ICS525-01/02/11/12 REV S 042407
DATASHEET
CLK
REF

Related parts for ICS525R-11LFT

ICS525R-11LFT Summary of contents

Page 1

USER CONFIGURABLE CLOCK Description The ICS525-01/02/11/12 are the most flexible way to generate a high-quality, high-accuracy, high-frequency clock output from an inexpensive crystal or clock input. The user can configure the device to produce nearly any output frequency from any ...

Page 2

ICS525-01/02/11/12 USER CONFIGURABLE CLOCK Pin Assignment VDD 6 X1/ICLK GND ICS525-01/-02/-11/-12 Pin Descriptions Pin Pin Pin ...

Page 3

ICS525-01/02/11/12 USER CONFIGURABLE CLOCK ICS525-01 Output Frequency and Output Divider Table CLK Output Pin 5 Pin 4 Pin 3 Divider ...

Page 4

ICS525-01/02/11/12 USER CONFIGURABLE CLOCK ICS525-12 Output Frequency and Output Divider Table CLK Output Pin 5 Pin 4 Pin 3 Divider ...

Page 5

ICS525-01/02/11/12 USER CONFIGURABLE CLOCK External Components/Crystal Selection Decoupling Capacitors The ICS525-01/02/11/12 requries two 0.01µF decoupling capacitors to be connected between VDD and GND, one on each side of the chip. The capacitor must be connected close to the device to ...

Page 6

ICS525-01/02/11/12 USER CONFIGURABLE CLOCK Absolute Maximum Ratings Stresses above the ratings listed below can cause permanent damage to the ICS525-01/02/11/12. These ratings, which are standard values for ICS commercially rated parts, are stress ratings only. Functional operation of the device ...

Page 7

ICS525-01/02/11/12 USER CONFIGURABLE CLOCK Parameter Short Circuit Current Input Capacitance On-chip Pull-up Resistor AC Electrical Characteristics Unless stated otherwise, VDD = 3.3 V Parameter Input Frequency Output Clock Rise Time Output Clock Fall Time Output Clock Duty Cycle ...

Page 8

ICS525-01/02/11/12 USER CONFIGURABLE CLOCK NOTE 1: Phase relationship between input and output can change at power-up. For a fixed phase relationship, see the ICS527. NOTE 2: For 16 MHz, 100 MHz output. Use the -02 for lowest jitter. Package Outline ...

Page 9

... ICS525RI-11 525RI-11T ICS525RI-11 525RI-11LF ICS525RI-11LF 525RI-11LFT ICS525RI-11LF 525RI-12 ICS525RI-12 525RI-12T ICS525RI-12 525RI-12LF ICS525RI-12LF 525RI12LFT ICS525RI-12LF Parts that are ordered with a "LF" suffix to the part number are the Pb-Free configuration and are RoHS compliant. While the information presented herein has been checked for both accuracy and reliability, Integrated Device Technology (IDT) assumes no responsibility for either its use or for the infringement of any patents or other rights of third parties, which would result from its use ...

Page 10

ICS525-01/02/11/12 USER CONFIGURABLE CLOCK Innovate with IDT and accelerate your future networks. Contact: www.IDT.com For Sales 800-345-7015 408-284-8200 Fax: 408-284-2775 Corporate Headquarters Integrated Device Technology, Inc. 6024 Silver Creek Valley Road San Jose, CA 95138 United States 800 345 7015 ...

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