ICS650-22
MDS 650-22 D 1Revision 051004
Integrated Circuit Systems, Inc. ● 525 Race Street, San Jose, CA 95126 ● tel (408) 297-1201 ● www.icst.com
PVR and STB Clock Source
Description
The ICS650-22 is a low-cost, low-jitter,
high-performance clock synthesizer for personal video
recorders (PVR) and set-top box (STB) applications.
Using analog Phase-Locked Loop (PLL) techniques,
the device accepts a 27 MHz crystal input to produce
multiple clocks for personal video recorder
applications.
Features
•Packaged in 20-pin narrow SSOP (QSOP)
•Available in Pb (lead) free package
•27 MHz fundamental crystal or clock input
•Zero ppm synthesis error in all clocks
•Low skew 33.33 MHz clock outputs
•Output enable controls all outputs
•Full CMOS output swing with 25 mA output drive
capability at TTL levels
•Advanced, low-power, sub-micron CMOS process
•3.3 V +10% operating voltage
Block Diagram
Crystal
OSC
Clock
Synthesis
and Control
Circuitry 66.66 MHz
33.33 MHz
GND
4
X1/ICLK
X2
27 MHz
Fundamental
Crystal or
Clock
OE
48 MHz
100 MHz
4
VDD
6
PVR and STB Clock Source
MDS 650-22 D 2Revision 051004
Integrated Circuit Systems, Inc. ● 525 Race Street, San Jose, CA 95126 ● tel (408) 297-1201 ● www.icst.com
ICS650-22
Pin Assignment
Pin Descriptions
13
4
12
5
11
VDD
8
9
10
VDD
VDD 33M
OE
66M 33M
17
16
GND
3X1/ICLK
VDD 33M
18 33M
1GND
X2 100M
20 VDD
19
14
2
7
GND
48M
VDD
GND
156
20-pin (150 mil) SSOP
Pin
Number
Pin
Name
Pin
Type
Pin Description
1 GND Power Connect to ground.
2 X2 Input Connect to a crystal input or leave open for ICLK.
3 X1/ICLK Input Connect to a crystal or reference clock input.
4, 5 VDD Power Connect to +3.3 V.
6 GND Power Connect to ground.
7 48M Output 48 MHz clock output.
8 VDD Power Connect to +3.3 V.
9 66M Output 66 MHz clock output.
10 GND Power Connect to ground.
11 OE Input Output enable active high. Internal pull-up resistor.
12, 13 33M Output 33.33 MHz clock output.
14 GND Power Connect to ground.
15, 16 VDD Power Connect to +3.3 V.
17, 18 33M Output 33.33 MHz clock output.
19 100M Output 100 MHz clock output.
20 VDD Power Connect to +3.3 V.
PVR and STB Clock Source
MDS 650-22 D 3Revision 051004
Integrated Circuit Systems, Inc. ● 525 Race Street, San Jose, CA 95126 ● tel (408) 297-1201 ● www.icst.com
ICS650-22
Absolute Maximum Ratings
Stresses above the ratings listed below can cause permanent damage to the ICS650-22. These ratings,
which are standard values for ICS commercially rated parts, are stress ratings only. Functional operation of
the device at these or any other conditions above those indicated in the operational sections of the
specifications is not implied. Exposure to absolute maximum rating conditions for extended periods can
affect product reliability. Electrical parameters are guaranteed only over the recommended operating
temperature range.
Recommended Operation Conditions
DC Electrical Characteristics
Unless stated otherwise, VDD = 3.3V ±10%, Ambient Temperature 0 to +70°C
Item Rating
Supply Voltage, VDD 7 V
All Inputs and Outputs -0.5 V to VDD+0.5 V
Ambient Operating Temperature -40 to +85°C
Storage Temperature -65 to +150°C
Junction Temperature 125°C
Soldering Temperature 260°C
Parameter Min. Typ. Max. Units
Ambient Operating Temperature 0 - +70 °C
Power Supply Voltage (measured in respect to GND) +3.0 +3.3 +3.6 V
Parameter Symbol Conditions Min. Typ. Max. Units
Operating Voltage VDD 3.0 3.3 3.6 V
Input High Voltage VIH VDD/2+1 VDD/2 V
Input Low Voltage VIL VDD/2 VDD/2-1 V
Output High Voltage VOH IOH = -25 mA 2.4 V
Output Low Voltage VOL IOL = +25 mA 0.5 V
Output High Voltage VOL IOH = -8 mA VDD-0.4 V
Operating Supply Current IDD No Load, OE=1 29 mA
No Load, OE=0 13 mA
Short Circuit Current IOS Each output ±70 mA
Internal Pull-up Resistor RPU Input select 390 kΩ
PVR and STB Clock Source
MDS 650-22 D 4Revision 051004
Integrated Circuit Systems, Inc. ● 525 Race Street, San Jose, CA 95126 ● tel (408) 297-1201 ● www.icst.com
ICS650-22
AC Electrical Characteristics
Unless stated otherwise, VDD = 3.3V ±10%, Ambient Temperature 0 to +70° C
Note 1: Measured with a 15 pF load.
Thermal Characteristics
Parameter Symbol Conditions Min. Typ. Max. Units
Input Frequency 27 MHz
Output Rise Time tOR 0.8 to 2.0 V (note 1) 500 ps
Output Fall Time tOF 2.0 to 0.8 V (note 1) 500 ps
Output Clock Duty Cycle At VDD/2 (note 1) 45 50 55 %
Frequency Error All clocks 0 ppm
Absolute Jitter, short term 33M, 100M clocks (note 1) +100 ps
Absolute Jitter, short term 48M clock (note 1) +160 ps
Absolute Jitter, short term 66M clock (note 1) +140 ps
Output-to-output Skew, 33M
only
Rising edge at VDD/2
(note 1)
0150ps
Parameter Symbol Conditions Min. Typ. Max. Units
Thermal Resistance Junction to
Ambient
θJA Still air 135 °C/W
θJA 1 m/s air flow 93 °C/W
θJA 3 m/s air flow 78 °C/W
Thermal Resistance Junction to Case θJC 60 °C/W
PVR and STB Clock Source
MDS 650-22 D 5Revision 051004
Integrated Circuit Systems, Inc. ● 525 Race Street, San Jose, CA 95126 ● tel (408) 297-1201 ● www.icst.com
ICS650-22
Package Outline and Package Dimensions (20-pin SSOP, 150 Mil. Body)
Package dimensions are kept current with JEDEC Publication No. 95
Ordering Information
“LF” denotes Pb (lead) free package.
While the information presented herein has been checked for both accuracy and reliability, Integrated Circuit
Systems (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.
Part / Order Number Marking Shipping Packaging Package Temperature
ICS650R-22 650R-22 Tubes 20-pin SSOP 0 to +70°C
ICS650R-22T 650R-22 Tape and Reel 20-pin SSOP 0 to +70°C
ICS650R-22LF 650R-22L Tubes 20-pin SSOP 0 to +70°C
ICS650R-22LFT 650R-22L Tape and Reel 20-pin SSOP 0 to +70°C
INDEX
AREA
1 2
20
D
E1 E
SEATING
PLANE
A
1
A
A
2
e
- C -
b
.10 (.004) C
c
L
Millimeters Inches
Symbol Min Max Min Max
A 1.351.75.053.069
A1 0.10 0.25 .0040 .010
A2 -- 1.50 -- .059
b 0.20 0.30 0.008 0.012
C 0.180.25.007.010
D 8.558.75.337.344
E 5.806.20.228.244
E1 3.80 4.00 .150 .157
e 0.635 Basic 0.025 Basic
L 0.401.27.016.050
α0°8°0°8°
