ics421-05 Integrated Device Technology, ics421-05 Datasheet

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ics421-05

Manufacturer Part Number
ics421-05
Description
Digital Video Camera Clock
Manufacturer
Integrated Device Technology
Datasheet
DIGITAL VIDEO CAMERA CLOCK
IDT™ / ICS™ DIGITAL VIDEO CAMERA CLOCK
Description
The ICS421-05 is a low-power, low-jitter clock
synthesizer developed for digital camera applications.
The device accepts a 27 MHz input clock to support
common digital video camera interface frequencies
including a 12 MHz for USB, 24.576 MHz for
IEEE1394, and a 72 MHz CCD clock. Power
consumption was minimized by lowering the voltage
requirement to 1.8 V minimum.
The ICS421-05 utilizes a small form factor 8-pin
TSSOP package.
ICS is a leader in low power, consumer application
clock sources. Devices are capable of supporting CCD,
video, audio, USB, CPU, and other peripherals.
Block Diagram
27 MHz
Input Clock
CLKIN
Buffer
Clock
GND
VDD
1
2
1
CCD/
Features
IEEE
USB
PLL
PLL
Ultra-low operating voltage from 1.8 V to 2.4 V
10 mA supply current
27 MHz input clock frequency
Fixed 24.576 MHz clock supports IEEE1394
Fixed 12 MHz clock supports USB
Fixed 72 MHz CCD clock
Packaged in 8-pin TSSOP (Pb free)
OE_USB
24.576M
72M
12M
ICS421-05
DATASHEET
ICS421-05
REV B 072304

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ics421-05 Summary of contents

Page 1

... MHz for USB, 24.576 MHz for IEEE1394, and a 72 MHz CCD clock. Power consumption was minimized by lowering the voltage requirement to 1.8 V minimum. The ICS421-05 utilizes a small form factor 8-pin TSSOP package. ICS is a leader in low power, consumer application clock sources. Devices are capable of supporting CCD, video, audio, USB, CPU, and other peripherals ...

Page 2

... Other signal traces should be routed away from the ICS421-05. This includes signal traces just underneath the device layers adjacent to the ground plane layer used by the device ...

Page 3

... DIGITAL VIDEO CAMERA CLOCK Absolute Maximum Ratings Stresses above the ratings listed below can cause permanent damage to the ICS421-05. 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 ...

Page 4

... Pb (lead) free package CLOCK SYNTHESIZER Min. Typ. Max. Units 50 20 150 Min. Typ. Max. Units 27 MHz 1.8 ns 1.8 ns 2 ±200 Min. Typ. Max. Units 110 C/W 100 C/W 80 C/W 35 C/W ICS421-05 REV B 072304 ...

Page 5

... Min 0.05 0.15 0.002 A2 0.80 1.05 0.032 b 0.19 0.30 0.007 C 0.09 0.20 0.0035 D 2.90 3.10 0.114 E 6.40 BASIC 0.252 BASIC E1 4.30 4.50 0.169 e 0.65 Basic 0.0256 Basic L 0.45 0.75 0.018 aaa -- 0. Package Temperature 8-pin TSSOP 0 to +70 C 8-pin TSSOP 0 to +70 C ICS421-05 Inches Max 0.047 0.006 0.041 0.012 0.008 0.122 0.177 0.030 8 0.004 c REV B 072304 ...

Page 6

... ICS421-05 DIGITAL VIDEO CAMERA CLOCK Innovate with IDT and accelerate your future networks. Contact: www.IDT.com For Sales 800-345-7015 408-284-8200 Fax: 408-284-2775 Corporate Headquarters Integrated Device Technology, Inc. 6024 Silver Creek Valley Road San Jose, CA 95138 United States 800 345 7015 +408 284 8200 (outside U.S.) © ...

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