ICS9EPRS475CGLF

ICS9EPRS475CGLF Datasheet

The ICS9EPRS475 is a main clock synthesizer chip that provides all clocks required for AMD embedded systems. An SMBus interface allows full control of the device.

Part	Datasheet
ICS9EPRS475CGLF	ICS9EPRS475CGLF (pdf)

Related Parts	Information
ICS9EPRS475CGLFT	ICS9EPRS475CGLFT

PDF Datasheet Preview
DATASHEET System Clock for Embedded AMDTM based Systems 9EPRS475 Recommended Application AMD M690T/780E systems • 2 - Greyhound compatible K8 CPU pair • 4 - low-power differential SRC pairs • 2 - low-power differential SouthBridge SRC pairs • 3 - low-power differential ATIG pairs • 1 - Selectable 100MHz low-power differential/ 66 MHz single-ended HTT clock • 2 - 48MHz USB clock • 3 - 14.318MHz Reference clock • CPU outputs cycle-to-cycle jitter < 150ps • SRC outputs cycle-to-cycle jitter < 125ps • ATIG outputs cycle-to-cycle jitter < 125ps • +/- 300ppm frequency accuracy on CPU, SRC & ATIG clocks • Spread Spectrum for EMI reduction • Outputs may be disabled via SMBus • External crystal load capacitors for maximum frequency accuracy • PCI Express Generation compliant 48MHz_1 1 48MHz_0 2 GND48 3 SMBCLK 4 SMBDAT 5 SRC3C_LPRS 6 SRC3T_LPRS 7 SRC2C_LPRS 8 SRC2T_LPRS 9 GNDSRC 10 VDDSRC 11 SRC1C_LPRS 12 SRC1T_LPRS 13 VDDSRC 14 GNDSRC 15 SRC0C_LPRS 16 SRC0T_LPRS 17 SB_SRC1C_LPRS 18 SB_SRC1T_LPRS 19 GNDSB_SRC 20 VDDSB_SRC 21 SB_SRC0C_LPRS 22 SB_SRC0T_LPRS 23 GNDATIG 24 ATIG2C_LPRS 25 ATIG2T_LPRS 26 GNDATIG 27 VDDATIG 28 9EPRS475 56 VDD48 55 X2 54 X1 53 GNDREF 52 VDDREF 51 REF0/SEL_HTT66 50 REF1 49 REF2 48 VDDHTT 47 HTT0T_LPRS/66M 46 HTT0C_LPRS/66M 45 GNDHTT 44 RESTORE# 43 PD# 42 CPUKG0T_LPRS 41 CPUKG0C_LPRS 40 VDDCPU 39 GNDCPU 38 CPUKG1T_LPRS 37 CPUKG1C_LPRS 36 VDDA 35 GNDA 34 GND 33 VDD 32 ATIG0T_LPRS 31 ATIG0C_LPRS 30 ATIG1T_LPRS 29 ATIG1C_LPRS 56-Pin TSSOP System Clock for Embedded AMDTM based Systems 9EPRS475 System Clock for Embedded AMDTM based Systems Pin Description PIN # PIN NAME 1 48MHz_1 2 48MHz_0 3 GND48 4 SMBCLK 5 SMBDAT 6 SRC3C_LPRS 7 SRC3T_LPRS 8 SRC2C_LPRS 9 SRC2T_LPRS 10 GNDSRC 11 VDDSRC 12 SRC1C_LPRS 13 SRC1T_LPRS 14 VDDSRC 15 GNDSRC 16 SRC0C_LPRS 17 SRC0T_LPRS 18 SB_SRC1C_LPRS 19 SB_SRC1T_LPRS 20 GNDSB_SRC 21 VDDSB_SRC 22 SB_SRC0C_LPRS 23 SB_SRC0T_LPRS 24 GNDATIG 25 ATIG2C_LPRS 26 ATIG2T_LPRS 27 GNDATIG 28 VDDATIG 29 ATIG1C_LPRS 30 ATIG1T_LPRS TYPE OUT GND Ordering Information Part/Order Number 9EPRS475CGLF 9EPRS475CGLFT Shipping Packaging Tubes Tape and Reel Package 56-pin TSSOP 56-pin TSSOP Temperature 0 to 70° C 0 to 70° C System Clock for Embedded AMDTM based Systems 9EPRS475 System Clock for Embedded AMDTM based Systems 7/31/2009 A 8/19/2009 B 4/26/2010 Description Initial Release Released to final. Update part ordering information from "B" to "C" Updated document template. Page # - Various Innovate with IDT and accelerate your future networks. Contact: For Sales 800-345-7015 408-284-8200 Fax 408-284-2775 For Tech Support 408-284-6578 Corporate Headquarters Integrated Device Technology, Inc. 6024 Silver Creek Valley Road San Jose, CA 95138 United States 800 345 7015 +408 284 8200 outside U.S. Asia Pacific and Japan IDT Singapore Pte. Ltd. 1 Kallang Sector #07-01/06 KolamAyer Industrial Park Singapore 349276 Phone 65-6-744-3356 Fax 65-6-744-1764 Europe IDT Europe Limited 321 Kingston Road Leatherhead, Surrey KT22 7TU England Phone 44-1372-363339 Fax 44-1372-378851 2010 Integrated Device Technology, Inc. All rights reserved. Product specifications subject to change without notice. IDT, ICS, 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

DATASHEET

System Clock for Embedded AMDTM based Systems
9EPRS475

Recommended Application AMD M690T/780E systems
• 2 - Greyhound compatible K8 CPU pair
• 4 - low-power differential SRC pairs
• 2 - low-power differential SouthBridge SRC pairs
• 3 - low-power differential ATIG pairs
• 1 - Selectable 100MHz low-power differential/ 66 MHz
single-ended HTT clock
• 2 - 48MHz USB clock
• 3 - 14.318MHz Reference clock
• CPU outputs cycle-to-cycle jitter < 150ps
• SRC outputs cycle-to-cycle jitter < 125ps
• ATIG outputs cycle-to-cycle jitter < 125ps
• +/- 300ppm frequency accuracy on CPU, SRC & ATIG
clocks
• Spread Spectrum for EMI reduction
• Outputs may be disabled via SMBus
• External crystal load capacitors for maximum
frequency accuracy
• PCI Express Generation compliant
48MHz_1 1 48MHz_0 2

GND48 3 SMBCLK 4 SMBDAT 5 SRC3C_LPRS 6 SRC3T_LPRS 7 SRC2C_LPRS 8 SRC2T_LPRS 9 GNDSRC 10 VDDSRC 11 SRC1C_LPRS 12 SRC1T_LPRS 13 VDDSRC 14 GNDSRC 15 SRC0C_LPRS 16 SRC0T_LPRS 17 SB_SRC1C_LPRS 18 SB_SRC1T_LPRS 19 GNDSB_SRC 20 VDDSB_SRC 21 SB_SRC0C_LPRS 22 SB_SRC0T_LPRS 23 GNDATIG 24 ATIG2C_LPRS 25 ATIG2T_LPRS 26 GNDATIG 27 VDDATIG 28
9EPRS475
56 VDD48 55 X2 54 X1 53 GNDREF 52 VDDREF 51 REF0/SEL_HTT66 50 REF1 49 REF2 48 VDDHTT 47 HTT0T_LPRS/66M 46 HTT0C_LPRS/66M 45 GNDHTT 44 RESTORE# 43 PD# 42 CPUKG0T_LPRS 41 CPUKG0C_LPRS 40 VDDCPU 39 GNDCPU 38 CPUKG1T_LPRS 37 CPUKG1C_LPRS 36 VDDA 35 GNDA 34 GND 33 VDD 32 ATIG0T_LPRS 31 ATIG0C_LPRS 30 ATIG1T_LPRS 29 ATIG1C_LPRS
56-Pin TSSOP

System Clock for Embedded AMDTM based Systems
9EPRS475 System Clock for Embedded AMDTM based Systems

Pin Description

PIN #

PIN NAME
1 48MHz_1
2 48MHz_0
3 GND48
4 SMBCLK
5 SMBDAT
6 SRC3C_LPRS
7 SRC3T_LPRS
8 SRC2C_LPRS
9 SRC2T_LPRS
10 GNDSRC 11 VDDSRC 12 SRC1C_LPRS
13 SRC1T_LPRS
14 VDDSRC 15 GNDSRC 16 SRC0C_LPRS
17 SRC0T_LPRS
18 SB_SRC1C_LPRS
19 SB_SRC1T_LPRS
20 GNDSB_SRC 21 VDDSB_SRC 22 SB_SRC0C_LPRS
23 SB_SRC0T_LPRS 24 GNDATIG 25 ATIG2C_LPRS
26 ATIG2T_LPRS
27 GNDATIG 28 VDDATIG 29 ATIG1C_LPRS
30 ATIG1T_LPRS

TYPE OUT GND
Ordering Information

Part/Order Number 9EPRS475CGLF 9EPRS475CGLFT

Shipping Packaging Tubes

Tape and Reel

Package 56-pin TSSOP 56-pin TSSOP

Temperature 0 to 70° C 0 to 70° C

System Clock for Embedded AMDTM based Systems
9EPRS475 System Clock for Embedded AMDTM based Systems
7/31/2009

A 8/19/2009

B 4/26/2010
Description Initial Release Released to final. Update part ordering information from "B" to "C" Updated document template.

Page # -

Various

Innovate with IDT and accelerate your future networks. Contact:

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

For Tech Support
408-284-6578

Corporate Headquarters

Integrated Device Technology, Inc. 6024 Silver Creek Valley Road San Jose, CA 95138 United States 800 345 7015 +408 284 8200 outside U.S.

Asia Pacific and Japan

IDT Singapore Pte. Ltd. 1 Kallang Sector #07-01/06 KolamAyer Industrial Park Singapore 349276 Phone 65-6-744-3356 Fax 65-6-744-1764

Europe

IDT Europe Limited 321 Kingston Road Leatherhead, Surrey KT22 7TU England Phone 44-1372-363339 Fax 44-1372-378851
2010 Integrated Device Technology, Inc. All rights reserved. Product specifications subject to change without notice. IDT, ICS, 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 ICS9EPRS475CGLF Datasheet file may be downloaded here without warranties.

Datasheet ID: ICS9EPRS475CGLF 636660