Very low Jitter and Phase Noise (< 40ps Pk-Pk typical)
Two registers banks for 2-time programming.
Output frequency up to 200MHz CMOS.
Crystal inputs:
o
Fundamental crystal: 10MHz-30MHz
o
3
RD
overtone crystal: Up to 75MHz
•
Single 2.5V or 3.3V ± 10% power supply
•
Operating temperature range from -40°C to 85°C
•
Available in Die form only
•
•
•
•
•
PAD LAYOUT AND DIE ID
XIN
OE
GND
GND
CLK1
1
2
3
4
5
6
VDD
9
Die ID:
C611A-
8
0505-05D
7
XOUT
DNC
VDD
DIE AND WAFER SPECIFICATION
Name
Die Size
Reverse side
Pad Opening
Wafer Diameter
Die Per Wafer
Wafer Thickness
GND
80 micron x 80 micron
8”
22,277
12 mil
Value
31.5x55.1 mil
DESCRIPTION
The PL611-25 is a low-cost general purpose
frequency synthesizer and a member of PhaseLink’s
Factory Programmable ‘Quick Turn Clock (QTC)’
family. PhaseLink’s PL611-25 product family can
generate any output frequency up to 200 MHz from
fundamental crystal input between 10 MHz - 30 MHz,
or a 3rd overtone crystal of up to 75Mhz.
BLOCK DIAGRAM
XIN/FIN
XOUT
Xtal
OSC
R-counter
(8-bit)
Phase
Detector
M -counter
(10-bit)
Charge
Pump
Loop
Filter
Programmable
CLoad
F
VCO
= F
Ref.
* (2 * M /R)
P-counter
(5-bit)
Programmable Function
VCO
F
Out
= F
VCO
/ (2 * P)
CLK1
47745 Fremont Blvd., Fremont, California 94538 Tel (510) 492-0990 Fax (510) 492-0991
Rev 10/05/05 Page 1
PL611-25
Programmable Quick Turn Clock
T M
KEY PROGRAMMING PARAMETERS
CLK[ 0:2 ]
Output Frequency
Fout = FIN * M / (R * P) where
M=10 bit
R= 8 bit
P= 5 bit
CLK1= VCO / 2 * P
Output Drive
Strength
Std: 10mA
(default)
High: 24mA
Crystal Load
+/- 200ppm
tuning.
# of Register
Banks
2
Charge-Pump Current
4 levels of pump
current setting
PAD ASSIGNMENT and DESCRIPTION
Name
XIN
OE
GND
GND
CLK1
VDD
DNC
XOUT
Pad #
1
2
3
4
5
6
7
8
9
Die Pads
X (µm)
101.5
101.5
101.5
101.5
101.5
697
697
697
697
Y(µm)
1274.0
1075.0
878.4
671.8
425.0
483.0
790.0
1024.0
1274.0
Type
I
I
P
P
O
P
-
O
Crystal input.
Output Enable
GND connection.
GND connection.
Description
Programmable Clock Output.
VDD connection.
Do Not Connect
Crystal output.
47745 Fremont Blvd., Fremont, California 94538 Tel (510) 492-0990 Fax (510) 492-0991
Rev 10/05/05 Page 2
PL611-25
Programmable Quick Turn Clock
T M
ELECTRICAL SPECIFICATIONS
ABSOLUTE MAXIMUM RATINGS
PARAMETERS
Supply Voltage Range
Input Voltage Range
Output Voltage Range
Data Retention @ 85º C
Soldering Temperature (Green Package)
Storage Temperature
Ambient Operating Temperature*
T
S
-65
-40
SYMBOL
V
DD
V
I
V
O
MIN.
MAX.
4.6
V
DD
+
0.5
V
DD
+
0.5
UNITS
V
V
V
Years
-
0.5
-
0.5
-
0.5
10
260
150
+85
°C
°C
°C
Note: Exposure of the device under conditions beyond the limits specified by Maximum Ratings for extended periods may cause permanent damage to the
device and affect product reliability. These conditions represent a stress rating only, and functional operations of the device at these or any other conditions
above the operational limits noted in this specification is not implied.
*
Note:
Operating Temperature is guaranteed by design for all parts (COMMERCIAL and INDUSTRIAL), but tested for COMMERCIAL grade only.
AC SPECIFICATIONS
PARAMETERS
Crystal Input Frequency
CONDITIONS
Fundamental Crystal
3
rd
Overtone Crystal
MIN.
10
TYP.
MAX.
30
75
10
UNITS
MHz
MHz
ms
ppm
ns
ns
ns
ns
%
ps
Settling Time
VDD Sensitivity
Output Rise Time
At power-up (after VDD increases over
1.62V)
Frequency vs. VDD+/-10%
15pF Load, 10/90%VDD, Standard drive
15pF Load, 10/90%VDD, High drive
15pF Load, 90/10%VDD, Standard drive
15pF Load, 90/10%VDD, High drive
At VDD/2
Equal loading (15 pF). Equal frequency
& drive strength
With capacitive decoupling between VDD
and GND. Operating only one output.
40
45
-2
2.5
1.0
2.5
1.0
50
2
3.5
1.5
3.5
1.5
55
500
Output Fall Time
Duty Cycle
Max. output skew between
same frequency clocks
Period Jitter, peak-to-peak*
(measured from 10,000
samples)
ps
* Note: Jitter performance depends on the programming parameters.
47745 Fremont Blvd., Fremont, California 94538 Tel (510) 492-0990 Fax (510) 492-0991
Rev 10/05/05 Page 3
PL611-25
Programmable Quick Turn Clock
T M
DC SPECIFICATIONS
PARAMETERS
Supply Current, Dynamic,
with Loaded Outputs
Operating Voltage
Output Low Voltage
Output High Voltage
Output Current
Short-circuit Current
SYMBOL
I
DD
V
DD
V
OL
V
OH
I
OSD
I
OHD
I
S
CONDITIONS
At 10MHz, load=15pF
MIN.
TYP.
MAX.
15
UNITS
mA
V
V
V
2.25
I
OL
= +4mA (Standard drive)
I
OH
= -4mA (Standard drive)
V
OL
= 0.4V, V
OH
= 2.4V (Standard
drive)
V
OL
= 0.4V, V
OH
= 2.4V (High Drive)
V
DD
– 0.4
10
24
±50
3.63
0.4
mA
mA
mA
CRYSTAL SPECIFICATIONS
PARAMETERS
Fundamental Crystal Resonator Frequency
3
rd
Overtone Crystal Resonator Frequency
Crystal Loading Rating
(The IC can be programmed for any value in this range.)
Maximum Sustainable Drive Level
Operating Drive Level
Crystal Shunt Capacitance
Effective Series Resistance, Fundamental, 10-30MHz
Effective Series Resistance, 3
rd
Overtone, 30-50MHz
[CO< 4pF, C
L
=5pF/8pF]
Effective Series Resistance, 3
rd
Overtone, 50-65MHz,
[CO< 4pF, C
L
=5pF/8pF]
Effective Series Resistance, 3
rd
Overtone, 65-75MHz
[CO< 4pF, C
L
=5pF/8pF
Note:
A detailed crystal specification document is also available for this part
SYMBOL
F
XIN
F
XIN
C
L (xtal)
MIN.
10
TYP.
MAX.
30
75
UNITS
MHz
MHz
pF
µW
µW
5
20
500
100
C0
R
S
ESR
ESR
ESR
6
30
100/70
60/40
45/30
pF
Ω
Ω
Ω
Ω
47745 Fremont Blvd., Fremont, California 94538 Tel (510) 492-0990 Fax (510) 492-0991
Rev 10/05/05 Page 4
PL611-25
Programmable Quick Turn Clock
T M
ORDERING INFORMATION
For part ordering, please contact our Sales Department:
47745 Fremont Blvd., Fremont, CA 94538, USA
Tel: (510) 492-0990 Fax: (510) 492-0991
PART NUMBER
The order number for this device is a combination of the following:
Device number, Package type and Operating temperature range
PL611-25 WX
PART NUMBER
PACKAGE TYPE
W= WAFER
Part / Order Number
PL611-25WC
Marking
P611-25WC
TEMPERATURE
C=COMMERCIAL
I = INDUSTRIAL
TEMPERATURE
0- +70º C
PhaseLink Corporation, reserves the right to make changes in its products or specifications, or both at any time without notice. The information
furnished by Phaselink is believed to be accurate and reliable. However, PhaseLink makes no guarantee or warranty concerning the accuracy of said
information and shall not be responsible for any loss or damage of whatever nature resulting from the use of, or reliance upon this product.
LIFE SUPPORT POLICY:
PhaseLink’s products are not authorized for use as critical components in life support devices or systems without the
express written approval of the President of PhaseLink Corporation.
47745 Fremont Blvd., Fremont, California 94538 Tel (510) 492-0990 Fax (510) 492-0991
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