ICS662-02
MDS 662-02 A
1
Revision 100803
I n t e gr a t e d Ci r c u i t S y s t e m s
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w w w. i c s t . c o m
NTSC/PAL A
UDIO
C
LOCK
Description
The ICS662-02 is a low cost, low jitter, high
performance PLL clock synthesizer designed to
replace oscillators and PLL circuits in set-top box and
multimedia systems. Using ICS' patented analog
Phase Locked Loop (PLL) techniques, the device uses
a NTSC/PAL reference clock input to produce a
selectable audio clock.
ICS manufactures the largest variety of Set-Top Box
and multimedia clock synthesizers for all applications.
Consult ICS to eliminate VCXOs, crystals and
oscillators from your board.
Features
Packaged in 8 pin SOIC
Locks to NTSC and PAL colorburst frequencies (4x)
Audio sampling rate outputs
Low synthesis error in all clocks
All frequencies are frequency locked
Advanced, low power, sub-micron CMOS process
Operating voltage of 3.3 V
Block Diagram
Audio Clock
PLL Clock
Synthesis and
Control
Circuitry
VDD
S2:0
GND
3
REF CLK
OE/PD
NTSC/PAL A
UDIO
C
LOCK
MDS 662-02 A
2
Revision 100803
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ICS662-02
Pin Assignment
8 pin (150 mil) SOIC
C
LOCK
O
UTPUT
S
ELECT
T
ABLE
* -0.16 ppm compared to PAL specification
Pin Descriptions
REF
VDD
GND
OE/PD
S2
S1
CLK
S0
1
2
3
4
8
7
6
5
S2
S1
S0
Input
Frequency
Output
Frequency
Video
Std.
0
0
0
14.31818
8.192
NTSC
0
0
1
14.31818
11.2896
NTSC
0
1
0
14.31818
12.288
NTSC
0
1
1
14.31818
24.576
NTSC
1
0
0
17.73447205*
8.192
PAL
1
0
1
17.73447205*
11.2896
PAL
1
1
0
17.73447205*
12.288
PAL
1
1
1
17.73447205*
24.576
PAL
Pin
Number
Pin
Name
Pin
Type
Pin Description
1
REF
Input
Reference clock input.
2
VDD
Power
Connect to +3.3 V.
3
GND
Power
Connect to ground.
4
S2
Input
Output frequency selection Pin 2. Determines output frequency as per
table above.
5
CLK
Output
Clock output per table above.
6
S1
Input
Output frequency selection Pin 1. Determines output frequency as per
table above.
7
OE/PD
Input
Output enable. Powers down PLL and tri-states output with weak
pull-down when low.
8
S0
Input
Output frequency selection Pin 0. Determines output frequency as per
table above.
NTSC/PAL A
UDIO
C
LOCK
MDS 662-02 A
3
Revision 100803
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ICS662-02
External Components
Decoupling Capacitor
As with any high performance mixed-signal IC, the
ICS662-02 must be isolated from system power supply
noise to perform optimally.
A decoupling capacitor of 0.01F must be connected
between VDD and GND on pins 2 and 3. It must be
connected close to the ICS662-02 to minimize lead
inductance. No external power supply filtering is
required for the ICS662-02.
Series Termination Resistor
A 33
W
terminating resistor can be used next to the
clock outputs for trace lengths over one inch.
Absolute Maximum Ratings
Stresses above the ratings listed below can cause permanent damage to the ICS662-02. 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
Item
Rating
Supply Voltage, VDD
-0.5 V to 4 V
All Inputs and Outputs
-0.5 V to VDD+0.5 V
Ambient Operating Temperature
0 to +70
C
Storage Temperature
-65 to +150
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
+3.6
V
NTSC/PAL A
UDIO
C
LOCK
MDS 662-02 A
4
Revision 100803
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ICS662-02
DC Electrical Characteristics
VDD=3.3 V 10%
, Ambient temperature 0 to +70
C, unless stated otherwise
AC Electrical Characteristics
VDD = 3.3 V 10%, Ambient Temperature 0 to +70
C, unless stated otherwise
Parameter
Symbol
Conditions
Min.
Typ.
Max.
Units
Operating Voltage
VDD
3.0
3.6
V
Supply Current
IDD
No Load,
OE/PD=1,
first 4 modes
20
mA
No Load,
OE/PD=1,
last 4 modes
25
mA
IDDPD
No load,
OE/PDTS=0
125
m
A
Input High Voltage
V
IH
OE/PD pin only
VDD - 0.5
V
Input Low Voltage
V
IL
OE/PD pin only
0.5
V
Input High Voltage
V
IH
S2:S0, REF
pins
2.0
V
Input Low Voltage
V
IL
S2:S0, REF
pins
0.8
V
Output High Voltage
V
OH
I
OH
= -12 mA
2.4
V
Output Low Voltage
V
OL
I
OL
= 12 mA
0.4
V
Output High Voltage, CMOS level
V
OH
I
OH
= -4 mA
VDD-0.4
V
Short Circuit Current
I
OS
CLK outputs
+50
mA
Input Capacitance
C
IN
5
pF
Nominal Output Impedance
Z
OUT
20
W
Internal pull-up resistor
R
PU
S2 pin
510
k
W
S1, S0 OE/PD 120
k
W
Internal pull-down resistor
R
PD
CLK pin
240
k
W
Parameter
Symbol
Conditions
Min.
Typ.
Max.
Units
Input Crystal or Clock Frequency
F
IN
10
20
MHz
Frequency Synthesis Error
NTSC Clocks
0
ppm
PAL Clocks
-0.16
ppm
Output Clock Rise Time
t
OR
20% to 80%, Note 1
1.5
ns
Output Clock Fall Time
t
OF
80% to 20%, Note 1
1.5
ns
NTSC/PAL A
UDIO
C
LOCK
MDS 662-02 A
5
Revision 100803
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ICS662-02
Note 1: Measured with 15 pF load.
Thermal Characteristics
Output Clock Duty Cycle
at VDD/2, Note 1
45
55
%
Maximum Absolute Jitter, short
term
Deviation from mean,
Note 1
100
ps
Maximum Absolute Jitter, long term
Deviation from mean,
Note 1, 10
m
s delay
400
ps
Parameter
Symbol
Conditions
Min.
Typ.
Max.
Units
Thermal Resistance Junction to
Ambient
q
JA
Still air
150
C/W
q
JA
1 m/s air flow
140
C/W
q
JA
3 m/s air flow
120
C/W
Thermal Resistance Junction to Case
q
JC
40
C/W
Parameter
Symbol
Conditions
Min.
Typ.
Max.
Units
NTSC/PAL A
UDIO
C
LOCK
MDS 662-02 A
6
Revision 100803
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5 2 5 Ra ce S t r e e t , S a n J o s e, C A 9 5 1 2 6
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w w w. ic s t . c o m
ICS662-02
Package Outline and Package Dimensions (8 pin SOIC, 150 Mil. Narrow Body)
Package dimensions are kept current with JEDEC Publication No. 95
Ordering Information
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
(Note 1)
Marking
Shipping packaging
Package
Temperature
ICS662M-02
662M-02
Tubes
8 pin SOIC
0 to +70
C
ICS662M-02TR
662M-02
Tape and Reel
8 pin SOIC
0 to +70
C
INDEX
AREA
1 2
8
D
E
SEATING
PLANE
A1
A
e
- C -
B
.10 (.004)
C
C
L
H
h x 45
Millimeters
Inches
Symbol
Min
Max
Min
Max
A
1.35
1.75
.0532
.0688
A1
0.10
0.25
.0040
.0098
B
0.33
0.51
.013
.020
C
0.19
0.25
.0075
.0098
D
4.80
5.00
.1890
.1968
E
3.80
4.00
.1497
.1574
e
1.27 BASIC
0.050 BASIC
H
5.80
6.20
.2284
.2440
h
0.25
0.50
.010
.020
L
0.40
1.27
.016
.050
a
0
8
0
8
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