ICS421002AI01 Integrated Circuit System, ICS421002AI01 Datasheet

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ICS421002AI01

Manufacturer Part Number
ICS421002AI01
Description
Digital Video Camera Clock
Manufacturer
Integrated Circuit System
Datasheet
MDS 421-05 B
I nt eg ra te d C ir c uit S y s t em s
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
525 Ra ce St reet, San Jose, C A 95 126
Buffer
Clock
1
GND
VDD
1
2
Features
CCD/
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)
D
IGITAL
tel (40 8) 2 97-12 01
OE_USB
V
IDEO
C
24.576M
72M
12M
ICS421-05
AMERA
w w w. i c st . c o m
Revision 072304
C
LOCK

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ICS421002AI01 Summary of contents

Page 1

Description The ICS421- 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, ...

Page 2

Pin Assignment CLKIN 1 8 VDD 2 7 GND 3 6 24.576M pin (173 mil) TSSOP Pin Descriptions Pin Pin Number Name 1 CLKIN 2 VDD 3 GND 4 24.576M 5 72M 6 VDD 7 12M 8 ...

Page 3

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 ...

Page 4

Parameter Short Circuit Current Nominal Output Impedance On-chip Pull-down Resistor Notes: 1. Nominal switching threshold is VDD/2 AC Electrical Characteristics VDD = 1 2 Ambient Temperature 0 to +70 ° C, unless stated otherwise Parameter Input ...

Page 5

... ICS421G-05LFT “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 ...

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