PLL701-25
Low EMI Spread Spectrum Multiplier Clock
FEATURES
•
•
•
•
•
•
•
•
Spread Spectrum clock with frequency range of
33 ~ 90MHz.
Output frequency 1X the input frequency.
Less than 250 ps skew between outputs.
Less than 100 ps cycle - cycle jitter.
±0.50%
Center Spread Modulation (+/-15%
tolerance).
TTL/CMOS compatible outputs.
3.3V operation.
Available in 8-Pin 150mil SOIC.
PIN CONFIGURATION
FIN
CLK2
CLK1
GND
1
8
CLK5
CLK4
VDD
CLK3
PLL701-25
2
3
4
7
6
5
FIN = 33 ~ 90 Mhz
DESCRIPTION
The PLL701-25 is a Spread Spectrum Clock
Generator designed for the purpose of reducing EMI
in high-speed digital systems. The device is designed
to operate from 33 ~ 90MHz and provides five low-
skew outputs.
BLOCK DIAGRAM
CLK1
CLK2
FIN
PLL SST
1X
CLK3
CLK4
CLK5
47745 Fremont Blvd., Fremont, California 94538 Tel (510) 492-0990 Fax (510) 492-0991
www.phaselink.com
Rev 10/04/05 Page 1
PLL701-25
Low EMI Spread Spectrum Multiplier Clock
PIN DESCRIPTIONS
Name
FIN
CLK2
CLK1
GND
CLK3
VDD
CLK4
CLK5
Number
1
2
3
4
5
6
7
8
Type
I
O
O
I
O
P
O
O
Description
Input Clock Frequency. ( 33 ~ 90MHz )
Buffered Clock Output. 1X the input frequency
Buffered Clock Output. 1X the input frequency
Ground.
Buffered Clock Output. 1X the input frequency
3.3V Power Supply.
Buffered Clock Output. 1X the input frequency
Buffered Clock Output. 1X the input frequency
( FIN ).
( FIN ).
( FIN ).
( FIN ).
( FIN ).
ELECTRICAL SPECIFICATIONS
1. Absolute Maximum Ratings
PARAMETERS
Supply Voltage
Input Voltage, dc
Output Voltage, dc
Storage Temperature
Ambient Operating Temperature*
Junction Temperature
Lead Temperature (soldering, 10s)
ESD Protection, Human Body Model
SYMBOL
V
DD
V
I
V
O
T
S
T
A
T
J
MIN.
-0.5
-0.5
-65
-40
MAX.
4.6
V
DD
+0.5
V
DD
+0.5
150
85
125
260
2
UNITS
V
V
V
°C
°C
°C
°C
kV
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.
2. Electrical Characteristics
PARAMETERS
Supply Voltage
Input Low Voltage
Input High Voltage
Input Low Current
Input High Current
Output Low Voltage
Output High Voltage
Supply Current
SYMBOL
V
DD
V
IL
V
IH
I
IL
I
IH
V
OL
V
OH
I
DD
CONDITIONS
MIN.
2.97
2.0
TYP.
MAX.
3.63
0.8
UNITS
V
V
V
µA
µA
V
V
mA
V
IN
= 0V
V
IN
= V
DD
I
OL
= 50 mA
I
OH
= 50 mA
Unloaded outputs at 75MHz,
SEL inputs at V
DD
or GND
2.4
19
0.10
0.25
2.9
30.0
50.0
100.0
0.4
40.0
47745 Fremont Blvd., Fremont, California 94538 Tel (510) 492-0990 Fax (510) 492-0991
www.phaselink.com
Rev 10/04/05 Page 2
PLL701-25
Low EMI Spread Spectrum Multiplier Clock
3. Timing Characteristics
PARAMETERS
Input Frequency
Rise Time
Fall Time
Output Duty Cycle
Input to Output Delay
Cycle to Cycle Jitter
SYMBOL
F
IN
T
r
T
f
D
T
T
cyc-cyc
CONDITIONS
Measured at 0.8V ~ 2.0V @ 3.3V
Measured at 2.0V ~ 0.8V @ 3.3V
MIN.
33
0.8
0.78
45
2
TYP.
0.95
0.85
50
MAX.
90
1.1
0.9
55
4
100
UNITS
MHz
ns
ns
%
ns
ps
Over output frequency range @ 3.3V
47745 Fremont Blvd., Fremont, California 94538 Tel (510) 492-0990 Fax (510) 492-0991
www.phaselink.com
Rev 10/04/05 Page 3
PLL701-25
Low EMI Spread Spectrum Multiplier Clock
PACKAGE INFORMATION
8 PIN Narrow SOIC ( mm )
SOIC
Symbol
A
A1
B
C
D
E
H
L
e
Min.
1.47
0.10
0.33
0.19
4.80
3.80
5.80
0.38
1.27 BSC
Max.
1.73
0.25
0.51
0.25
4.95
4.00
6.20
1.27
A1
B
C
L
e
E
H
D
A
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
PLL701-25 S C X X
PART NUMBER
NONE= TUBE
R=TAPE AND REEL
NONE=NORMAL PACKAGE
L=GREEN PACKAGE
TEMPERATURE
C=COMMERCIAL,
I=INDUSTRIAL
PACKAGE TYPE
S=SOIC
Part / Order Number
PLL701-25SC-R
PLL701-25SC
PLL701-25SCL-R
PLL701-25SCL
Marking
P701-25SC
P701-25SC
P702-25SCL
P702-25SCL
SOIC
SOIC
SOIC
SOIC
Package Option
-Tape and Reel
–Tube
-Tape and Reel (GREEEN)
–Tubes (GREEN)
Temperature
0
0
0
0
to
to
to
to
+70ﾟC
+70ﾟC
+70ﾟC
+70ﾟ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
www.phaselink.com
Rev 12/02/05 Page 4
嵌入式系统
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