307G-03LF IDT, 307G-03LF Datasheet - Page 8

• Manufacturer Part Number: 307G-03LF
• Description: Clock Drivers & Distribution SERIAL PROGRAMMABLE CLOCK SOURCE
• Manufacturer: IDT

Specifications of 307G-03LF

• Rohs: yes
• Max Output Freq: 270 MHz
• Supply Voltage - Max: 3.6 V
• Supply Voltage - Min: 3 V
• Maximum Operating Temperature: + 70 C
• Package / Case: TSSOP-16
• Minimum Operating Temperature: 0 C
• Mounting Style: SMD/SMT
• Supply Current: 24 mA
• Part # Aliases: ICS307G-03LF

Determining and Controlling the Output Frequency with VersaClock
The ICS307-03 is directly supported by the IDT provided
software called VersaClock II. Complete programming
words for this device can be calculated on any Windows PC
by running the VersaClock II software and simple inputting
desired input and output frequencies. Once the software
generates an appropriate programming word, it may then be
Manually Determining the Output Frequency
The user has full control over the desired output frequency
as long as it is operated within the limits shown in the AC
Electrical Characteristics.
The output of the ICS307-03 can be determined by the
following equation:
Also, the following operating ranges should be observed.
To determine the best combination of VCO, reference, and
output dividers, please use the VersaClock II software
mentioned above.
IDT® SERIALLY PROGRAMMABLE CLOCK SOURCE
CLK1Frequency
ICS307-03
SERIALLY PROGRAMMABLE CLOCK SOURCE
20kHz
Where:
VCOmin
VCO Divider (V) = 12 to 2055
Reference Divider Word (R) = 1 to 2055
Output Divider = values in tables 5, 6, 7
<
Input Frequency
------------------------------------------ -
<
InputFrequency
R
=
InputFrequency
<
100MHz
V
--- -
R
<
VCOmaxfreq
--------------------
R
V
OD
8
either copied to the Windows clipboard or even directly
programmed into the ICS307-03 via the host computers
parallel port.
For more information on VersaClock II, please visit
www.idt.com.
SER PROG CLOCK SYNTHESIZER
ICS307-03
TM
II
REV L 032911