ICS300 Integrated Circuit System, ICS300 Datasheet

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ICS300

Manufacturer Part Number
ICS300
Description
Qtclock Quick Turn Clock Synthesizer
Manufacturer
Integrated Circuit System
Datasheet

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Part Number
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Part Number:
ICS300M-12
Manufacturer:
ICS
Quantity:
20 000
Part Number:
ICS300M-29IT
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Part Number:
ICS300M-56I
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MDS 300QT E
Description
The ICS300 and ICS301 QTClocks™ generate a
high quality, high frequency clock output and a
reference from a low frequency crystal or clock
input. They are designed to replace crystals and
crystal oscillators in most electronic systems. The
ICS302 can accept a higher frequency clock input
to generate up to 200 MHz. The devices contain a
One Time Programmable (OTP) ROM which is
factory programmed with the PLL divider values
to output a broad range of frequencies, from 6 to
200 MHz, allowing customer requests for different
frequencies to be shipped in 1-3 days. Using
Phase-Locked-Loop (PLL) techniques, the devices
run from a standard fundamental mode,
inexpensive crystal, or clock. They are smaller and
less expensive than one oscillator.
Block Diagram
Crystal
or clock
input
Integrated Circuit Systems, Inc. • 525 Race Street • San Jose •CA•95126•(408) 295-9800tel• www.icst.com
X1/ICLK
X2
Oscillator
with PLL
VDD GND
Crystal
Divider
Values
ROM
OTP
QTClock™ Quick Turn Clock Synthesizer
and Control
Synthesis
Circuitry
1
Clock
PLL
• Packaged as 8 pin SOIC
• Quick turn frequency programming allows
• Replaces nearly any crystal or oscillator
• ICS300 produces up to 100 MHz at 3.3V,
• Easy to cascade with ICS5xx series
• Input crystal frequency of 5 - 27 MHz
• Input clock frequency of 2 - 125 MHz
• Low jitter - 50 ps one sigma
• Compatible with all popular CPUs
• Duty cycle of 45/55
• Operating voltages of 3.0 to 5.5V
• Full CMOS level outputs with 25mA drive
• Tri-state output + PLL power down pin
• Advanced, low power CMOS process
Features
ICS302 accepts up to 125 MHz clock input
samples in one to three days
ICS301 produces up to 200 MHz at 3.3V
capability at TTL levels
PDTS (both outputs and PLL)
ICS300/ICS301/ICS302
Logic and
Output
Output
Divide
Buffer
Buffer
Revision 111000
CLK
REF

Related parts for ICS300

ICS300 Summary of contents

Page 1

... Packaged as 8 pin SOIC • Quick turn frequency programming allows • Replaces nearly any crystal or oscillator • ICS300 produces up to 100 MHz at 3.3V, • Easy to cascade with ICS5xx series • Input crystal frequency MHz • Input clock frequency 125 MHz • ...

Page 2

... External Components / Crystal Selection The ICS300/301/302 requires a 0.01µF decoupling capacitor to be connected between VDD and GND. It must be connected close to the ICS300/301/302 to minimize lead inductance. No external power supply filtering is required for this device terminating resistor can be used next to the CLK and REF pins ...

Page 3

... Power-up time, PDTS goes high until CLK out Note 1: These are typical values. The actual minimum and maximum duty cycle limits are shown on the ICS300/301/302 QTClock Order Form for each programmed version. MDS 300QT E Integrated Circuit Systems, Inc. • 525 Race Street • San Jose •CA•95126•(408) 295-9800tel• www.icst.com QTClock™ ...

Page 4

... ICS302M xx represents a 2 character alphanumeric programming code assigned by the factory, which indicates the output frequencies on CLK and REF. All samples are shipped with an ICS300/301/302 order form describing the characteristics of the device. While the information presented herein has been checked for both accuracy and reliability, Integrated Circuit Systems, Inc. (ICS) 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 ...

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