ICS557G-03

ICS557G-03 Datasheet

ICS557-03

Part	Datasheet
ICS557G-03	ICS557G-03 (pdf)

Related Parts	Information
ICS557G-03T	ICS557G-03T
ICS557GI-03T	ICS557GI-03T
ICS557GI-03	ICS557GI-03

PDF Datasheet Preview
PCI-EXPRESS GEN1 CLOCK SOURCE DATASHEET ICS557-03 The ICS557-03 is a spread spectrum clock generator that supports PCI-Express Gen 1 and Ethernet requirements. The device is used for PC or embedded systems to substantially reduce electromagnetic interference EMI . The device provides two differential HCSL spread spectrum outputs. The spread type and amount are configured via select pin. Using IDT’s patented Phase-Locked Loop PLL techniques, the device takes a 25 MHz crystal input and produces two pairs of differential outputs at 25 MHz, 100 MHz, 125 MHz or 200 MHz clock frequencies for HCSL, and 25 MHz or 100 MHz for LVDS. • Packaged in 16-pin TSSOP • Available in RoHS 5 green or RoHS 6 green and lead free compliant packaging • Supports HCSL or LVDS output levels • Operating voltage of V • Input frequency of 25 MHz • Jitter 80 ps cycle-to-cycle • Spread Spectrum capability • Industrial and commercial temperature ranges Block Diagram VDD 2 SS1:SS0 2 S1:S0 2 Control Logic Phase Lock Loop X1/ICLK 25 MHz crystal or clock X2 Clock Buffer/ Crystal Oscillator Optional tuning crystal capacitors CLK0 CLK1 Rr IREF IDT / ICS PCI-EXPRESS GEN1 CLOCK SOURCE ICS557-03 PCI-EXPRESS GEN1 CLOCK SOURCE PCIE SSCG Pin Assignment S0 1 S1 2 SS0 3 X1/ICLK 4 X2 5 OE 6 GNDXD 7 SS1 8 16 VDDXD 15 CLK0 14 CLK0 13 GNDODA 12 VDDODA 11 CLK1 10 CLK1 IREF 16-pin 173 mil TSSOP Pin Descriptions Output Select Table 1 MHz S1 S0 CLK 1:0 , CLK 1:0 100M 125M 200M Spread Selection Table 2 Ordering Information Part / Order Number 557G-03 557G-03T 557G-03LF 557G-03LFT 557GI-03 557GI-03T 557GI-03LF 557GI-03LFT Marking See Page 8 See Page 8 Shipping Packaging Tubes Tape and Reel Tubes Tape and Reel Tubes Tape and Reel Tubes Tape and Reel Package 16-pin TSSOP 16-pin TSSOP 16-pin TSSOP 16-pin TSSOP 16-pin TSSOP 16-pin TSSOP 16-pin TSSOP 16-pin TSSOP Temperature 0 to +70° C 0 to +70° C 0 to +70° C 0 to +70° C -40 to +85° C -40 to +85° C -40 to +85° C -40 to +85° C Parts that are ordered with a “LF” suffix to the part number are the Pb-Free configuration and are RoHS compliant. While the information presented herein has been checked for both accuracy and reliability, Integrated Device Technology IDT 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. No other circuits, patents, or licenses are implied. This product is intended for use in normal commercial applications. Any other applications such as those requiring extended temperature range, high reliability, or other extraordinary environmental requirements are not recommended without additional processing by IDT. IDT reserves the right to change any circuitry or specifications without notice. IDT does not authorize or warrant any IDT product for use in life support devices or critical medical instruments. IDT / ICS PCI-EXPRESS GEN1 CLOCK SOURCE ICS557-03 PCI-EXPRESS GEN1 CLOCK SOURCE PCIE SSCG Innovate with IDT and accelerate your future networks. Contact: For Sales 800-345-7015 408-284-8200 Fax 408-284-2775 For Tech Support Corporate Headquarters Integrated Device Technology, Inc. 2006 Integrated Device Technology, Inc. All rights reserved. Product specifications subject to change without notice. IDT and the IDT logo are trademarks of Integrated Device Technology, Inc. Accelerated Thinking is a service mark of Integrated Device Technology, Inc. All other brands, product names and marks are or may be trademarks or registered trademarks used to identify products or services of their respective owners. Printed in USA

PDF Datasheet Preview

PCI-EXPRESS GEN1 CLOCK SOURCE

DATASHEET

ICS557-03

The ICS557-03 is a spread spectrum clock generator that supports PCI-Express Gen 1 and Ethernet requirements. The device is used for PC or embedded systems to substantially reduce electromagnetic interference EMI . The device provides two differential HCSL spread spectrum outputs. The spread type and amount are configured via select pin. Using IDT’s patented Phase-Locked Loop PLL techniques, the device takes a 25 MHz crystal input and produces two pairs of differential outputs at 25 MHz, 100 MHz, 125 MHz or 200 MHz clock frequencies for HCSL, and 25 MHz or 100 MHz for LVDS.
• Packaged in 16-pin TSSOP
• Available in RoHS 5 green or RoHS 6 green and lead
free compliant packaging
• Supports HCSL or LVDS output levels
• Operating voltage of V
• Input frequency of 25 MHz
• Jitter 80 ps cycle-to-cycle
• Spread Spectrum capability
• Industrial and commercial temperature ranges

Block Diagram

VDD 2

SS1:SS0 2

S1:S0 2

Control Logic

Phase Lock Loop

X1/ICLK
25 MHz crystal or clock X2

Clock Buffer/ Crystal Oscillator

Optional tuning crystal capacitors

CLK0

CLK1

Rr IREF

IDT / ICS PCI-EXPRESS GEN1 CLOCK SOURCE

ICS557-03 PCI-EXPRESS GEN1 CLOCK SOURCE

PCIE SSCG

Pin Assignment

S0 1 S1 2 SS0 3 X1/ICLK 4 X2 5 OE 6 GNDXD 7 SS1 8
16 VDDXD
15 CLK0
14 CLK0
13 GNDODA
12 VDDODA
11 CLK1
10 CLK1

IREF
16-pin 173 mil TSSOP

Pin Descriptions

Output Select Table 1 MHz

S1 S0 CLK 1:0 , CLK 1:0
100M
125M
200M

Spread Selection Table 2
Ordering Information

Part / Order Number
557G-03 557G-03T 557G-03LF 557G-03LFT 557GI-03 557GI-03T 557GI-03LF 557GI-03LFT

Marking

See Page 8

See Page 8

Shipping Packaging

Tubes Tape and Reel

Tubes Tape and Reel

Tubes Tape and Reel

Tubes Tape and Reel

Package
16-pin TSSOP 16-pin TSSOP 16-pin TSSOP 16-pin TSSOP 16-pin TSSOP 16-pin TSSOP 16-pin TSSOP 16-pin TSSOP

Temperature
0 to +70° C 0 to +70° C 0 to +70° C 0 to +70° C -40 to +85° C -40 to +85° C -40 to +85° C -40 to +85° C

Parts that are ordered with a “LF” suffix to the part number are the Pb-Free configuration and are RoHS compliant.

While the information presented herein has been checked for both accuracy and reliability, Integrated Device Technology IDT 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. No other circuits, patents, or licenses are implied. This product is intended for use in normal commercial applications. Any other applications such as those requiring extended temperature range, high reliability, or other extraordinary environmental requirements are not recommended without additional processing by IDT. IDT reserves the right to change any circuitry or specifications without notice. IDT does not authorize or warrant any IDT product for use in life support devices or critical medical instruments.

IDT / ICS PCI-EXPRESS GEN1 CLOCK SOURCE

ICS557-03 PCI-EXPRESS GEN1 CLOCK SOURCE

PCIE SSCG

Innovate with IDT and accelerate your future networks. Contact:

For Sales
800-345-7015 408-284-8200 Fax 408-284-2775

For Tech Support

Corporate Headquarters

Integrated Device Technology, Inc.
2006 Integrated Device Technology, Inc. All rights reserved. Product specifications subject to change without notice. IDT and the IDT logo are trademarks of Integrated Device Technology, Inc. Accelerated Thinking is a service mark of Integrated Device Technology, Inc. All other brands, product names and marks are or may be trademarks or registered trademarks used to identify products or services of their respective owners. Printed in USA

Notice: we do not provide any warranties that information, datasheets, application notes, circuit diagrams, or software stored on this website are up-to-date or error free. The archived ICS557G-03 Datasheet file may be downloaded here without warranties.

Datasheet ID: ICS557G-03 637013