MK1491-06RLF

MK1491-06RLF Datasheet

MK1491-06

Part	Datasheet
MK1491-06RLF	MK1491-06RLF (pdf)

Related Parts	Information
MK1491-06SLF	MK1491-06SLF
MK1491-06RLFTR	MK1491-06RLFTR
MK1491-06SLFTR	MK1491-06SLFTR
MK1491-06RILFTR	MK1491-06RILFTR
MK1491-06RILF	MK1491-06RILF

PDF Datasheet Preview
AMD GEODE CLOCK SOURCE DATASHEET MK1491-06 The MK1491-06 is a low-cost, low-jitter, high-performance clock synthesizer for AMD’s Geode-based computer and portable appliance applications. Using patented analog Phased-Locked Loop PLL techniques, the device accepts a MHz crystal input to produce multiple output clocks. It provides selectable PCI local bus and AC97 audio clocks, 24 MHz and 48 MHz clocks for Super I/O and USB, as well as multiple Reference outputs. The device has multiple power-down modes to reduce power consumption. Block Diagram • Packaged in 28-pin SOIC or in 28-pin SSOP • Pb lead free, RoHS compliant • Provides all critical timing for the AMD Geode companion chip • Four PCI clocks • Selectable PCIF on up to 2 outputs • Early PCI clock selectability • Up to 4 Reference clocks • 48 MHz USB and 24MHz SIO support • AC97 audio clock • Multiple power down modes • Low EMI Enable pin reduces EMI radiation on PCI clocks patented • Operating voltage of V ±5% • Available in commercial 0 to +70°C and industrial -40°C to +85°C temperature ranges PCI Frequency Select Low EMI Enable PCIF Function Enable Early PCI Enable SLOW# PCISTP# PWRDWN# PCI Clocks PCI EPCI/PCI Audio Select 14.3M/24M Select MHz crystal Crystal Oscillator Audio Clock Fixed Clocks MHz or MHz or MHz 48 MHz MHz or 24 MHz AMD GEODE CLOCK SOURCE MK1491-06 AMD GEODE CLOCK SOURCE CLOCK SYNTHESIZER Pin Assignment VDD 1 GND 4 14.3M TS 5 14.3M 6 GND 7 14.3M SEL AUDIO VDD 9 SLOW# 10 GND 11 FS 12 SEL24 13 VDD 14 Early PCI Control Table EPCI# 0 1 Ordering Information Part / Order Number Marking MK1491-06RLF MK1491-06RLFTR MK1491-06RILF MK1491-06RILFTR see page 8 MK1491-06SLF MK1491-06SLFTR Shipping Packaging Tubes Tape and Reel Tubes Tape and Reel Tubes Tape and Reel Package 28-pin SSOP 28-pin SSOP 28-pin SSOP 28-pin SSOP 28-pin SOIC 28-pin SOIC Temperature 0 to +70C 0 to +70C -40 to +85C -40 to +85C 0 to +70C 0 to +70C “LF” denotes Pb lead free package, 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. AMD GEODE CLOCK SOURCE MK1491-06 AMD GEODE CLOCK SOURCE M 06/09/14 Added I-temp throughout datasheet. CLOCK SYNTHESIZER AMD GEODE CLOCK SOURCE MK1491-06 AMD GEODE CLOCK SOURCE CLOCK SYNTHESIZER 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. 2014 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

AMD GEODE CLOCK SOURCE

DATASHEET

MK1491-06

The MK1491-06 is a low-cost, low-jitter, high-performance clock synthesizer for AMD’s Geode-based computer and portable appliance applications. Using patented analog Phased-Locked Loop PLL techniques, the device accepts a MHz crystal input to produce multiple output clocks. It provides selectable PCI local bus and AC97 audio clocks, 24 MHz and 48 MHz clocks for Super I/O and USB, as well as multiple Reference outputs. The device has multiple power-down modes to reduce power consumption.

Block Diagram
• Packaged in 28-pin SOIC or in 28-pin SSOP
• Pb lead free, RoHS compliant
• Provides all critical timing for the AMD Geode companion
chip
• Four PCI clocks
• Selectable PCIF on up to 2 outputs
• Early PCI clock selectability
• Up to 4 Reference clocks
• 48 MHz USB and 24MHz SIO support
• AC97 audio clock
• Multiple power down modes
• Low EMI Enable pin reduces EMI radiation on PCI clocks
patented
• Operating voltage of V ±5%
• Available in commercial 0 to +70°C and industrial
-40°C to +85°C temperature ranges

PCI Frequency Select Low EMI Enable

PCIF Function Enable Early PCI Enable SLOW# PCISTP# PWRDWN#

PCI Clocks

PCI EPCI/PCI

Audio Select
14.3M/24M Select

MHz crystal

Crystal Oscillator

Audio Clock

Fixed Clocks

MHz or MHz or MHz 48 MHz

MHz or 24 MHz

AMD GEODE CLOCK SOURCE

MK1491-06 AMD GEODE CLOCK SOURCE

CLOCK SYNTHESIZER

Pin Assignment

VDD 1

GND 4
14.3M TS 5
14.3M 6

GND 7
14.3M SEL AUDIO

VDD 9

SLOW# 10

GND 11

FS 12

SEL24 13

VDD 14

Early PCI Control Table

EPCI# 0 1
Ordering Information

Part / Order Number

Marking

MK1491-06RLF

MK1491-06RLFTR

MK1491-06RILF MK1491-06RILFTR
see page 8

MK1491-06SLF

MK1491-06SLFTR

Shipping Packaging

Tubes Tape and Reel

Tubes Tape and Reel

Tubes Tape and Reel

Package
28-pin SSOP 28-pin SSOP 28-pin SSOP 28-pin SSOP 28-pin SOIC 28-pin SOIC

Temperature
0 to +70C 0 to +70C -40 to +85C -40 to +85C 0 to +70C 0 to +70C
“LF” denotes Pb lead free package, 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.

AMD GEODE CLOCK SOURCE

MK1491-06 AMD GEODE CLOCK SOURCE

M 06/09/14

Added I-temp throughout datasheet.

CLOCK SYNTHESIZER

AMD GEODE CLOCK SOURCE

MK1491-06 AMD GEODE CLOCK SOURCE

CLOCK SYNTHESIZER

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.
2014 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

More datasheets: BSS84P-E6327 | BSS84P E6433 | BSS84PL6327HTSA1 | BSS84PL6433HTMA1 | H23A2 | H23A1F | H23A2F | H23A1 | TBC-09 | 76650-0066

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 MK1491-06RLF Datasheet file may be downloaded here without warranties.

Datasheet ID: MK1491-06RLF 637435