ICS673M-01 IDT, Integrated Device Technology Inc, ICS673M-01 Datasheet

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ICS673M-01

Manufacturer Part Number
ICS673M-01
Description
IC PLL BUILDING BLOCK 16-SOIC
Manufacturer
IDT, Integrated Device Technology Inc
Type
Phase Lock Loop (PLL)r
Datasheet

Specifications of ICS673M-01

Pll
Yes
Input
Clock
Output
Clock
Number Of Circuits
1
Ratio - Input:output
1:2
Differential - Input:output
No/No
Frequency - Max
120MHz
Divider/multiplier
Yes/No
Voltage - Supply
3.135 V ~ 5.5 V
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
16-SOIC
Frequency-max
120MHz
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
673M-01

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MDS 673-01 L
Description
The ICS673-01 is a low cost, high performance Phase
Locked Loop (PLL) designed for clock synthesis and
synchronization. Included on the chip are the phase
detector, charge pump, Voltage Controlled Oscillator
(VCO), and two output buffers. One output buffer is a
divide by two of the other. Through the use of external
reference and VCO dividers (the ICS674-01), the user
can customize the clock to lock to a wide variety of
input frequencies.
The ICS673-01 also has an output enable function that
puts both outputs into a high-impedance state. The
chip also has a power down feature which turns off the
entire device.
For applications that require low jitter or jitter
attenuation, see the MK2069. For a smaller package,
see the ICS663.
Block Diagram
Clock Input
(entire chip)
PD
REFIN
FBIN
VDD
Frequency
Detector
Phase/
2
UP
DOWN
I
I
cp
cp
VDD
CHCP
w w w. i d t . c o m
External Feedback Divider
(such as the ICS674-01)
1
VCOIN
VCO
CAP
Features
Packaged in 16 pin SOIC (Pb-free, ROHS compliant)
Access to VCO input and feedback paths of PLL
VCO operating range up to 120 MHz (5V)
Able to lock MHz range outputs to kHz range inputs
through the use of external dividers
Output Enable tri-states outputs
Low skew output clocks
Power Down turns off chip
VCO predivide to feedback divider of 1 or 4
25 mA output drive capability at TTL levels
Advanced, low power, sub-micron CMOS process
Single supply +3.3 V or +5 V ±10% operating voltage
Industrial temperature range available
Forms a complete PLL, using the ICS674-01
For better jitter performance, please use the MK1575
GND
2
3
4
SEL
PLL B
1
0
MUX
UILDING
2
OE
ICS673-01
outputs)
(both
Revision 051310
B
LOCK
CLK2
CLK1

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ICS673M-01 Summary of contents

Page 1

Description The ICS673- low cost, high performance Phase Locked Loop (PLL) designed for clock synthesis and synchronization. Included on the chip are the phase detector, charge pump, Voltage Controlled Oscillator (VCO), and two output buffers. One output buffer ...

Page 2

Pin Assignment ...

Page 3

Absolute Maximum Ratings Stresses above the ratings listed below can cause permanent damage to the ICS673-01. These ratings, which are standard values for IDT commercially rated parts, are stress ratings only. Functional operation of the device at these or any ...

Page 4

AC Electrical Characteristics VDD = 3.3V ±5%, Ambient Temperature - Parameter Output Clock Frequency (from pin CLK) Input Clock Frequency (into pins REFIN or FBIN) Output Rise Time Output Fall Time Output Clock Duty Cycle Jitter, ...

Page 5

VCO frequency. The feedback divider begins to miss even more clock edges and the VCO frequency is continually increased until it is running at its maximum frequency. Whether caused by power supply issues or by the external divider, ...

Page 6

V below VDD. Hysteresis should be added to the circuit by connecting R4. CHGP VCOIN Figure 2. Using an External Comparator to Reset the ...

Page 7

Determining the Loop Filter Values The loop filter components consist of C Calculating these values is best illustrated by an example. Using the example in Figure 1, we can synthesize 20 MHz from a 200 kHz input. The phase locked ...

Page 8

Package Outline and Package Dimensions Package dimensions are kept current with JEDEC Publication No INDEX AREA Ordering Information Part / Order Number Marking 673M-01ILF 673M-01IL 673M-01ILFT 673M-01IL 673M-01LF 673M-01LF 673M-01LFT 673M-01LF “LF” denotes ...

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