ICS650-05 Integrated Circuit System, ICS650-05 Datasheet

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ICS650-05

Manufacturer Part Number
ICS650-05
Description
HDTV Clock Synthesizer
Manufacturer
Integrated Circuit System
Datasheet
MDS 650-05 B
Integrated Circuit Systems • 525 Race Street • San Jose • CA • 95126 • (408) 295-9800tel • www.icst.com
The ICS650-05 is a low cost, low jitter, high
performance clock synthesizer designed to produce
74.175824 MHz and 74.250000 MHz as necessary for
HDTV applications. Using our patented analog Phase-
Locked Loop (PLL) techniques, the device uses a
27.0 MHz clock or fundamental crystal input to produce
buffered, fixed clocks and a selectable frame rate clock
for HDTV systems.
Block Diagram
Description
Crystal
or Clock
Input
27 MHz
FRS
X1/ICLK
X2
Buffer/Crystal
Oscillator
Input
Synthesis
VDD
GND
Control
Circuit
Clock
5
and
5
1
Features
• Packaged in 20 pin tiny SSOP (QSOP)
• Input Frequency of 27.0 MHz
• Zero ppm synthesis error in output clocks
• Provides fixed 13.5 MHz, dual 27.0 MHz, and
• Ideal for HDTV applications
• 3.3 V or 5.0 V operating voltage.
54.0 MHz output clocks with a selectable Frame
Rate Clock of 74.175824 MHz or 74.250000 MHz
OE (all outputs)
HDTV Clock Synthesizer
Output
Output
Output
Output
Output
Buffer
Buffer
Buffer
Buffer
Buffer
FRCLK
54.0 MHz
13.5 MHz
27.0 MHz
27.0 MHz
ICS650-05
Revision 100301

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ICS650-05 Summary of contents

Page 1

... Description The ICS650- low cost, low jitter, high performance clock synthesizer designed to produce 74.175824 MHz and 74.250000 MHz as necessary for HDTV applications. Using our patented analog Phase- Locked Loop (PLL) techniques, the device uses a 27.0 MHz clock or fundamental crystal input to produce buffered, fixed clocks and a selectable frame rate clock for HDTV systems ...

Page 2

... Connect to +3 +5.0 V. Must be same as other VDDs. Frame Rate Clock as shown on table. Frame Rate Frequency Select input pin. Determines FRCLK output as shown on table. Output Enable. Tri-states all clocks when low. Connect to +3 +5.0 V. Must be same as other VDDs. 2 ICS650-05 HDTV Clock Synthesizer FRCLK Pin 17 0 74.175824 1 74 ...

Page 3

... At VDD/2 40 VDD = 3.3V, 13.5M, FRCLK, 27M (pin 12) VDD=3.3V, 27M (pin8), 54M VDD=5.0V, except 27M (pin8) VDD = 5.0V, 27M (pin 8) VDD=3.3V, except 27M (pin 8), 54M VDD=3.3V, 27M (pin 8), 54M VDD=5.0V 3 ICS650-05 Typical Maximum Units 7 V VDD+0 °C 260 °C 150 °C 5 VDD/2-1 ...

Page 4

... Integrated Circuit Systems • 525 Race Street • San Jose • CA • 95126 • (408) 295-9800tel • www.icst.com Marking Package ICS650R-05 20 pin SSOP ICS650R-05 20 pin SSOP 4 ICS650-05 HDTV Clock Synthesizer 20 pin SSOP Inches Inches Symbol Min Max A 0.053 0.069 A1 0.004 0.010 b 0 ...

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