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ICS671-03

Description
3.3 Volt Zero Delay, Low Skew Buffer
File Size37KB,4 Pages
ManufacturerICS ( IDT )
Websitehttp://www.icst.com
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ICS671-03 Overview

3.3 Volt Zero Delay, Low Skew Buffer

PRELIMINARY INFORMATION
ICS671-03
3.3 Volt Zero Delay, Low Skew Buffer
Description
The ICS671-03 is a low phase noise, high speed PLL
based, 8 output, low skew zero delay buffer. Based on
ICS’s proprietary low jitter Phase Locked Loop (PLL)
techniques, the device provides eight low skew
outputs at speeds up to 133 MHz at 3.3 V. The
outputs can be generated from the PLL (for zero
delay), or directly from the input (for testing), and can
be set to tri-state mode or to stop at a low level. For
normal operation as a zero delay buffer, any output
clock is tied to the FBIN pin.
ICS manufactures the largest variety of clock
generators and buffers, and is the largest clock
supplier in the world.
Features
• Packaged in 16 pin narrow (150 mil) SOIC
• Clock outputs from 10 to 133 MHz
• Zero input-output delay
• Eight low-skew (<200 ps) outputs
• Device-to-device skew <700 ps
• Low jitter (<200 ps)
• Full CMOS outputs with 25 mA output drive
capability at TTL levels
• 5 V tolerant FBIN and CLKIN pins
• Tri-state mode for board-level testing
• Advanced, low power, sub-micron CMOS process
• 3.3 V operating voltage
• Industrial temperature range of -40 to 85 °C
Block Diagram
2
S2, S1
Control
Logic
CLKA1
CLKA2
CLKA3
CLKIN
CLKA4
Clock
Synthesis
PLL
FBIN
CLKB1
CLKB2
CLKB3
CLKB4
Feedback is shown from CLKB4 for illustration, but may
come from any output.
MDS 671-03 A
1
Revision 072501
Integrated Circuit Systems, Inc. • 525 Race Street • San Jose • CA • 95126 • (408) 295-9800 tel • www.icst.com

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