ICS307M-02ILFT IDT, Integrated Device Technology Inc, ICS307M-02ILFT Datasheet

IC CLOCK SOURCE PROGR 16-SOIC

ICS307M-02ILFT

Manufacturer Part Number
ICS307M-02ILFT
Description
IC CLOCK SOURCE PROGR 16-SOIC
Manufacturer
IDT, Integrated Device Technology Inc
Type
Clock Generatorr
Datasheet

Specifications of ICS307M-02ILFT

Pll
Yes with Bypass
Input
Clock, Crystal
Output
LVCMOS
Number Of Circuits
1
Ratio - Input:output
2:2
Differential - Input:output
No/No
Frequency - Max
180MHz
Divider/multiplier
Yes/No
Voltage - Supply
3 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
16-SOIC
Frequency-max
180MHz
Number Of Elements
1
Pll Input Freq (min)
2MHz
Pll Input Freq (max)
50MHz
Operating Supply Voltage (typ)
3.3/5V
Operating Temp Range
-40C to 85C
Package Type
SOIC N
Output Frequency Range
6 to 180MHz
Operating Supply Voltage (min)
3V
Operating Supply Voltage (max)
5.5V
Operating Temperature Classification
Industrial
Pin Count
16
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
307M-02ILFT
800-1797-2

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SERIALLY PROGRAMMABLE CLOCK SOURCE
IDT™ / ICS™ SERIALLY PROGRAMMABLE CLOCK SOURCE
Description
The ICS307-01 and ICS307-02 are versatile serially
programmable clock sources which take up very little
board space. They can generate any frequency from 6
to 200 MHz and have a second configurable output.
The outputs can be reprogrammed on the fly and will
lock to a new frequency in 10 ms or less. Smooth
transitions (in which the clock duty cycle remains near
50%) are guaranteed if the output divider is not
changed.
The devices includes a PDTS pin which tri-states the
output clocks and powers down the entire chip.
The ICS307-02 features a default clock output at
start-up and is recommended for all new designs.
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 nor guaranteed.
For applications which require defined input to output
skew, use the ICS527-01.
Block Diagram
clock input
Crystal or
Optional crystal capacitors
X1/ICLK
X2
STROBE
SCLK
DATA
Oscillator
Crystal
Register
Shift
R6:R7
9
2
3
2
7
Reference
Divider
S2:S0
TTL
V8:V0
C1:C0
F1:F0
Phase Comparator,
Charge Pump, and
Loop Filter
Divider
VCO
1
Features
Packaged in 16-pin (150 mil wide) SOIC – Pb-free,
RoHS compliant
Highly accurate frequency generation
Serially programmable: user determines the output
frequency via a 3 wire interface
Eliminates need for custom quartz
Input crystal frequency of 5 - 27 MHz
Output clock frequencies up to 200 MHz
Power down tri-state mode
Very low jitter
Operating voltage of 3.3 V or 5 V
25 mA drive capability at TTL levels
Industrial temperature version available
GND
VDD
VCO
Divider
S2:S0
Output
3
Function
F1:F0
Select
3
ICS307-01/-02 REV J 051310
ICS307-01/-02
DATASHEET
PDTS
CLK1
CLK2

Related parts for ICS307M-02ILFT

ICS307M-02ILFT Summary of contents

Page 1

SERIALLY PROGRAMMABLE CLOCK SOURCE Description The ICS307-01 and ICS307-02 are versatile serially programmable clock sources which take up very little board space. They can generate any frequency from 6 to 200 MHz and have a second configurable output. The outputs ...

Page 2

ICS307-01/-02 SERIALLY PROGRAMMABLE CLOCK SOURCE Pin Assignment X1/ICLK VDD CLK2 SCLK 8 16 pin (150 m il Pin Descriptions Pin Pin Number Name 1 X1/ICLK 2 ...

Page 3

ICS307-01/-02 SERIALLY PROGRAMMABLE CLOCK SOURCE Determining the Output Frequency On power-up, the ICS307-01 on-chip registers can have random values so almost any frequency may be output from the part. CLK1 will always have some clock signal present, but CLK2 could ...

Page 4

ICS307-01/-02 SERIALLY PROGRAMMABLE CLOCK SOURCE Setting the Device Characteristics The tables below show the settings which can be configured, as well as the VCO and Reference dividers. Table 1. Output Divide and Maximum Output Frequency CLK1 Output ...

Page 5

ICS307-01/-02 SERIALLY PROGRAMMABLE CLOCK SOURCE Bypass Mode If R6:0 is programmed to 0000000, the PLL is powered down and bypassed; the reference frequency will come from both CLK1 and CLK2 possible to generate glitches going into and out ...

Page 6

ICS307-01/-02 SERIALLY PROGRAMMABLE CLOCK SOURCE Programming Example To generate 66.66 MHz from a 14.31818 MHz input, the RDW should be 59, the VDW should be 276, and the Output Divide is 2. Selecting the minimum internal load capacitance, CMOS duty ...

Page 7

ICS307-01/-02 SERIALLY PROGRAMMABLE CLOCK SOURCE Absolute Maximum Ratings Stresses above the ratings listed below can cause permanent damage to the ICS307-01/-02. These ratings, which are standard values for IDT commercially rated parts, are stress ratings only. Functional operation of the ...

Page 8

ICS307-01/-02 SERIALLY PROGRAMMABLE CLOCK SOURCE Parameter Short Circuit Current Input Capacitance On-Chip Pull-up Resistor AC Electrical Characteristics VDD = 3.3 V ±5%, Ambient Temperature 0 to +70 C, unless stated otherwise Parameter Input Frequency Output Frequency (see Table 1) Output ...

Page 9

... ICS307M-02LF 307M-02LFT ICS307M-02LF 307M-02ILF 307M-02ILF 307M-02ILFT 307M-02ILF "LF" suffix to the part number denotes Pb-Free configuration, 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. No other circuits, patents, or licenses are implied ...

Page 10

ICS307-01/-02 SERIALLY PROGRAMMABLE CLOCK SOURCE 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. www.idt.com www.idt.com/go/clockhelp © 2006 Integrated Device Technology, Inc. All rights reserved. Product specifications ...

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