Integrated Circuit Systems, Inc. • 525 Race Street • San Jose •CA •95126• (408)295-9800tel • www.icst.com
MDS 507 C
ICS507-01/02
PECL Clock Synthesizer
Electrical Specifications
Parameter
Conditions
Minimum
Typical
ABSOLUTE MAXIMUM RATINGS (stresses be ond these can permanentl damage the device)
T
e
m
a
Supply Voltage, VDD
Referenced to GND
Inputs
Referenced to GND
-0.5
Clock Output
Referenced to GND
-0.5
Ambient Operating Temperature
r
ICS507M-0x
0
ICS507M-0xI
-40
Soldering Temperature
Max of 20 seconds
Storage temperature
-65
DC CHARACTERISTICS (VDD = 5.0 V unless otherwise noted)
D
l
Operating Voltage, VDD
3.0
Input High Voltage, VIH
ICLK only
VDD/2 + 1
VDD/2
Input Low Voltage, VIL
ICLK only
VDD/2
Input High Voltage, VIH
S0, S1
VDD-0.5
Input Low Voltage, VIL
S0, S1
Output High Voltage, VOH
Note 2
VDD-1.2
Output Low Voltage, VOL
Note 2
IDD Operating Suppl Current, note 3
No Load, 155.52MHz
67
Internal Cr stal Capacitance, X1 and X2
Pins 1, 8
26
Input Capacitance
S0, S1
4
AC CHARACTERISTICS (VDD = 5.0 V unless otherwise noted)
D
l
Input Crystal Frequency
5
Input Clock Frequency
5
Output Frequency, ICS507-01
0 to 70°C VDD = 5.0 V
10
0 to 70°C VDD = 3.3 V
10
Output Frequency, ICS507-01I -40 to 85°C VDD = 3.3 V or 5.0 V
10
Output Frequency, ICS507-02I
0 to 70°C VDD = 5.0 V
125
0 to 70°C VDD = 3.3 V
125
-40 to 85°C VDD = 3.3 V or 5.0 V
125
Output Clock Duty Cycle
49
PLL Bandwidth
10
Absolute Clock Period Jitter
Deviation from mean
±75
One Sigma Clock Period Jitter
20
Notes:
Maximum
7
VDD+0.5
VDD+0.5
70
85
260
150
5.5
VDD/2-1
VDD+0.5
VDD-2.0
Units
V
V
V
°C
°C
°C
°C
V
V
V
V
V
V
V
mA
pF
pF
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
%
kHz
ps
ps
27
52
200
156
125
200
200
160
51
1) All typical values are at 5.0 V and 25°C unless otherwise noted.
2) VOH and VOL can be set by the external resistor values on the PECL outputs.
3) IDD includes the current through the external resistors, which can be modified.
4) The phase relationship between input and output can change at power up. For a fixed phase relationship, see one of the
ICS zero delay buffers.
3
Revision 042600
Printed 11/13/00
Integrated Circuit Systems, Inc. • 525 Race Street • San Jose •CA •95126• (408)295-9800tel • www.icst.com
MDS 507 C
ICS507-01/02
PECL Clock Synthesizer
Applications
High Frequency Differential PECL Oscillators:
The ICS507 plus a low frequency, fundamental mode
crystal can build a high frequency differential output oscillator. For example, a 10 MHz crystal connected
to the ICS507 with the 12X output selected (S1=0, S0=1) produces a 120 MHz PECL output clock.
High Frequency TCXO:
Extending the previous application, an inexpensive, low frequency TCXO can be
built and the output frequency can be multiplied using the ICS507. Since the output of the chip is phase-
locked to the input, the ICS507 has no temperature dependence, and the temperature coefficient of the
combined system is the same as that of the low frequency TCXO.
High Frequency VCXO:
The bandwidth of the PLL is guaranteed to be greater than 10 kHz. This means
that the PLL will track any modulation on the input with a frequency of less than 10 kHz. By using this
property, a low frequency VCXO can be built, and the output can then be multiplied with the ICS507 to
give a high frequency output, thereby producing a high frequency VCXO.
Decoupling and External Components
The ICS507 requires a 0.01µF decoupling capacitor to be connected between VDD and GND on pins 2
and 5. It must be connected close to the ICS507. Other VDD and GND connections should be
connected to those pins, or to the VDD and GND planes on the board. A resistor must be connected
between the RES (pin 10) and VDD. Another four resistors are needed for the PECL outputs as shown on
the block diagram on page 1. Suggested values of these resistors are shown in the Block Diagram, but they
can be varied to change the differential pair output swing, and the DC level; refer to MAN09.
4
Revision 042600
Printed 11/13/00
Integrated Circuit Systems, Inc. • 525 Race Street • San Jose •CA •95126• (408)295-9800tel • www.icst.com
MDS 507 C
ICS507-01/02
PECL Clock Synthesizer
Package Outline and Package Dimensions
(
For current dimensional specifications, see JEDEC Publication No. 95.)
16 pin SOIC narrow
Symbol
A
A1
E
INDEX
AREA
H
B
C
1
2
D
A1
e
C
h x 45°
D
E
e
H
h
L
Inches
h
Min
Max
0.0532
0.0688
0.0040 0.0098
0.0130
0.0200
0.0075 0.0098
0.3859
0.3937
0.1497
0.1574
.050 BSC
S
0.2284
0.2440
0.0099
0.0195
0.0160 0.0500
Millimeters
m
Min
Max
1.35
1.75
0.10
0.24
0.33
0.51
0.19
0.24
9.80
10.00
3.80
4.00
1.27 BSC
S
5.80
6.20
0.25
0.50
0.41
1.27
A
L
B
Ordering Information
Part/Order Number
ICS507M-01
ICS507M-01T
ICS507M-01I
ICS507M-01IT
ICS507-01-DSW
ICS507-01-DPK
ICS507-01-DWF
ICS507M-02I
ICS507M-02IT
Marking
Package
Temperature
0 to 70°C
0 to 70°C
-40 to 85°C
-40 to 85°C
0 to 70°C
0 to 70°C
0 to 70°C
-40 to 85°C
-40 to 85°C
Minimum
Quantities
-
ICS507M-01
16 pin narrow SOIC
ICS507M-01 16 pin SOIC on tape and reel
ICS507M-01I
16 pin narrow SOIC
ICS507M-01I 16 pin SOIC on tape and reel
-
Probed wafers, cut, on sticky tape
-
Tested die in waffle pack
-
Die on uncut, probed wafers
ICS507M-02I
16 pin narrow SOIC
ICS507M-02I 16 pin SOIC on tape and reel
2500 pieces
-
2500 pieces
1 wafer
1000 pieces
1 wafer
-
2500 pieces
While the information presented herein has been checked for both accuracy and reliability, Integrated Circuit Systems, Incorporated (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. No other circuits, patents, or licenses are implied. This product is
intended for use in normal commercial applications. Any other applications such as those requiring extended temperature range, high reliability, or other extraordinary
environmental requirements are not recommended without additional processing by ICS. ICS reserves the right to change any circuitry or specifications without notice. ICS does
not authorize or warrant any ICS product for use in life support devices or critical medical instruments.
5
Revision 042600
Printed 11/13/00
Integrated Circuit Systems, Inc. • 525 Race Street • San Jose •CA •95126• (408)295-9800tel • www.icst.com
京公网安备 11010802033920号
EEWORLD
