MK2771-16R

MK2771-16R Datasheet

MK2771-16

Part	Datasheet
MK2771-16R	MK2771-16R (pdf)

Related Parts	Information
MK2771-16RTR	MK2771-16RTR

PDF Datasheet Preview
VCXO AND SET-TOP CLOCK SOURCE DATASHEET MK2771-16 The MK2771-16 is a low-cost, low-jitter, high-performance VCXO and clock synthesizer designed for set-top boxes. The on-chip Voltage Controlled Crystal Oscillator accepts a 0 to 3 V input voltage to cause the output clocks to vary by ±100 ppm. Using IDT’s patented VCXO and analog Phase-Locked Loop PLL techniques, the device uses an inexpensive MHz pullable crystal input to produce multiple output clocks including two selectable processor clocks, a selectable audio clock, two communications clocks, a MHz clock, and three 27 MHz clocks. All clocks are frequency locked to the 27 MHz output and to each other with zero ppm error, so any output can be used as the VCXO output. Block Diagram • Packaged in 28-pin QSOP • Available in RoHS 5 green or RoHS 6 green and lead free compliant package • On-chip patented VCXO with pull range of 200 ppm • VCXO tuning voltage of 0 to 3 V • Processor frequencies include 20, 25, 32, 40, and 50 MHz • Audio clocks support 32 kHz, kHz, 48 kHz, and 96 kHz sampling rates • Zero ppm synthesis error in all clocks all exactly track 27 MHz VCXO • Uses an inexpensive MHz pullable crystal • Full CMOS output swings with 25 mA output drive capability at TTL levels • Advanced, low-power, sub-micron CMOS process • 5 V operating voltage with V capable I/O NOTE EOL for non-green parts to occur on 5/13/10 per PDN U-09-01 VDD5 VDDIO AS2:0 PS1, PS0 PLL Clock Synthesis CS1, CS0 2 Circuitry ACLK PCLK CCLK1 CCLK2 X1 MHz pullable crystal Voltage Controlled Crystal Oscillator Optional crystal capacitors. x2 PLL divide by 2 6 GND MHz 3 IDT VCXO AND SET-TOP CLOCK SOURCE MK2771-16 VCXO AND SET-TOP CLOCK SOURCE Pin Assignment GND 3 VDD5 5 VIN 6 Ordering Information Part / Order Number MK2771-16R* MK2771-16RTR* MK2771-16RLF MK2771-16RLFTR Marking MK2771-16R MK2771-16R MK2771-16RLF MK2771-16RLF Shipping Packaging Tubes Tape and Reel Tubes Tape and Reel Package 28-pin SSOP 28-pin SSOP 28-pin SSOP 28-pin SSOP Temperature 0 to +70° C 0 to +70° C 0 to +70° C 0 to +70° C *NOTE EOL for non-green parts to occur on 5/13/10 per PDN U-09-01 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 VCXO AND SET-TOP CLOCK SOURCE MK2771-16 VCXO AND SET-TOP CLOCK SOURCE VCXO AND 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. 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

VCXO AND SET-TOP CLOCK SOURCE

DATASHEET

MK2771-16

The MK2771-16 is a low-cost, low-jitter, high-performance VCXO and clock synthesizer designed for set-top boxes. The on-chip Voltage Controlled Crystal Oscillator accepts a 0 to 3 V input voltage to cause the output clocks to vary by ±100 ppm. Using IDT’s patented VCXO and analog Phase-Locked Loop PLL techniques, the device uses an inexpensive MHz pullable crystal input to produce multiple output clocks including two selectable processor clocks, a selectable audio clock, two communications clocks, a MHz clock, and three 27 MHz clocks. All clocks are frequency locked to the 27 MHz output and to each other with zero ppm error, so any output can be used as the VCXO output.

Block Diagram
• Packaged in 28-pin QSOP
• Available in RoHS 5 green or RoHS 6 green and lead
free compliant package
• On-chip patented VCXO with pull range of 200 ppm
• VCXO tuning voltage of 0 to 3 V
• Processor frequencies include 20, 25, 32, 40, and
50 MHz
• Audio clocks support 32 kHz, kHz, 48 kHz, and 96
kHz sampling rates
• Zero ppm synthesis error in all clocks all exactly track 27

MHz VCXO
• Uses an inexpensive MHz pullable crystal
• Full CMOS output swings with 25 mA output drive
capability at TTL levels
• Advanced, low-power, sub-micron CMOS process
• 5 V operating voltage with V capable I/O

NOTE EOL for non-green parts to occur on 5/13/10 per PDN U-09-01

VDD5 VDDIO

AS2:0

PS1, PS0

PLL Clock

Synthesis

CS1, CS0 2

Circuitry

ACLK PCLK CCLK1 CCLK2

X1 MHz
pullable
crystal

Voltage Controlled

Crystal Oscillator

Optional crystal capacitors.
x2 PLL
divide by 2
6 GND

MHz 3

IDT VCXO AND SET-TOP CLOCK SOURCE

MK2771-16 VCXO AND SET-TOP CLOCK SOURCE

Pin Assignment

GND 3

VDD5 5

VIN 6
Ordering Information

Part / Order Number

MK2771-16R* MK2771-16RTR* MK2771-16RLF MK2771-16RLFTR

Marking

MK2771-16R MK2771-16R MK2771-16RLF MK2771-16RLF

Shipping Packaging

Tubes Tape and Reel

Tubes Tape and Reel

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

Temperature
0 to +70° C 0 to +70° C 0 to +70° C 0 to +70° C
*NOTE EOL for non-green parts to occur on 5/13/10 per PDN U-09-01

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 VCXO AND SET-TOP CLOCK SOURCE

MK2771-16 VCXO AND SET-TOP CLOCK SOURCE

VCXO AND 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.
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 MK2771-16R Datasheet file may be downloaded here without warranties.

Datasheet ID: MK2771-16R 637472