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ICS570GI-01LF

P1-P3P4-P6P7-P7
DATASHEET
MULTIPLIER AND ZERO DELAY BUFFER ICS570-01
IDT™ / ICS™
MULTIPLIER AND ZERO DELAY BUFFER 1
ICS570-01 REV B 072706
Description
The ICS570-01 is a high-performance Zero Delay Buffer
(ZDB) which integrates IDT’s proprietary mixed signal
Phased Lock Loop (PLL) techniques. The zero delay feature
means that the rising edge of the input clock aligns with the
rising edges of the output clock, giving the appearance of no
delay through the device. The device includes an on-chip
ROM table with nine different mulitplication factors, allowing
it to generate many common output frequencies from a
single input.
Features
• 8-pin MSOP package (3.00 mm x 3.00 mm body)
• Available in Pb (lead) free package
• Low input to output skew of 300 ps max
• Can recover degraded input clock duty cycle
• Output clock duty cycle of 45/55
• Power Down and Tri-State Mode
• Accepts spread spectrum clock inputs
• Advanced, low power CMOS process
• 3.3 V operation
• Industrial temperature version available
Block Diagram
PLLICLK
CLK
Power
GND
S1:0
FBIN
2
ICS570-01
MULTIPLIER AND ZERO DELAY BUFFER ZDB AND MULTIPLIER
IDT™ / ICS™
MULTIPLIER AND ZERO DELAY BUFFER 2
ICS570-01 REV B 072706
Pin Assignment
Pin Descriptions
Clock Multiplier Table
Note: For selections marked “M”, the pin is left floating.
ICLK
GND
VDD
VDD
FBIN
S11
2
3
4
8
7
6
5
CLKOUT
S0
Pin
Number
Pin
Name
Pin
Type
Pin Description
1 ICLK Input Clock input.
2 S0 Input Select pin 0 for output clock. Connect to GND, VDD, or float per multiplier table.
3 GND Power Connect to ground.
4 FBIN Input Feedback clock input.
5 CLKOUT Output Clock output with 5x multiplier.
6 VDD Power Connect to 3.3 V supply.
7 VDD Power Connect to 3.3 V supply.
8 S1 Input Select pin 1 for output clock. Connect to GND, VDD, or float per multiplier table.
S1 S0 Multiplier ICLK Range
0 0 4x 7 - 24 MHz
0 M 5.333x 8 - 20 MHz
0 1 5x 7 - 22 MHz
M 0 2.5x 11 - 44 MHz
M M 2x 13 - 55 MHz
M 1 3.333x 10 - 33 MHz
1 0 6x 7 - 18 MHz
1 M 3x 11 - 37 MHz
1 1 8x 5 - 13 MHz
ICS570-01
MULTIPLIER AND ZERO DELAY BUFFER ZDB AND MULTIPLIER
IDT™ / ICS™
MULTIPLIER AND ZERO DELAY BUFFER 3
ICS570-01 REV B 072706
External Components
The ICS570-01 requires a minimum number of external components for proper operation. Decoupling capacitors of
0.01 µF should be connected between VDD and GND (pins 3, 6, and 7), as close to the device as possible. A series
termination resistor of 33Ω may be used on each clock output pin to reduce reflections.
Absolute Maximum Ratings
Stresses above the ratings listed below can cause permanent damage to the ICS570-01. These ratings, which are
standard values for IDT 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 7 V
All Inputs and Outputs -0.5 V to VDD+0.5 V
Ambient Operating Temperature, Commercial version 0 to +70° C
Ambient Operating Temperature, Industrial version -40 to +85° C
Storage Temperature -65 to +150° C
Junction Temperature 125° C
Soldering Temperature 260° C
Parameter Min. Typ. Max. Units
Ambient Operating Temperature -40 +85 ° C
Power Supply Voltage (measured in respect to GND) +3.15 +3.3 +3.45 V
P1-P3P4-P6P7-P7

ICS570GI-01LF

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IC MULTIPLIER/ZDB 8-MSOP
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