MK2716S

MK2716S Datasheet


MK2716

Part Datasheet
MK2716S MK2716S MK2716S (pdf)
Related Parts Information
MK2716STR MK2716STR MK2716STR
PDF Datasheet Preview
HDTV CLOCK SYNTHESIZER

DATASHEET

MK2716

The MK2716 is a low-cost, low jitter, high-performance PLL clock synthesizer designed to produce the MHz and MHz clocks necessary for HDTV systems. Using IDT’s patented analog Phase-Locked Loop PLL techniques, the device accepts a 27 MHz crystal or clock input. The zero ppm synthesis error exactly locks the display to the digital stream.

IDT manufactures the largest variety multimedia clock synthesizers for all applications. Consult IDT to eliminate crystals and oscillators from your board.

For applications that require lower jitter, such as SDI and pixel clocks, use the ICS664.
• Packaged in 8-pin SOIC
• Available in Pb lead free package
• Input frequency of 27 MHz
• Zero ppm synthesis error in output clock
• V or 5 V ±10% operating supply
• Ideal for HDTV applications and oscillator manufacturers
• 25 mA output drive capability at TTL levels
• Advanced, low power, sub-micron CMOS process
• Operating voltage of V or 5 V

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

Block Diagram
27 MHz
crystal or
clock input X2

Clock Buffer

Clock Synthesis and Control Circuitry
2 GND

CLK MHz or MHz

IDT HDTV CLOCK SYNTHESIZER

MK2716

MK2716 HDTV CLOCK SYNTHESIZER

Pin Assignment

ICLK/X1 1 VDD 2 GND 3 CLK 4
8 X2 7 27M 6 SEL 5 GND

CLOCK SYNTHESIZER

FREQUENCY SELECT TABLE

CLK MHz

Pin Descriptions

Number Name

ICLK/X1

Pin Type

XI Power Output Power Input Output

Pin Description

Crystal connection. Connect to a 27 MHz fundamental crystal or clock. Connect to V or +5 V. Connect to ground. MHZ or MHz clock output see table above . Connect to ground. Select pin determines value of CLK per table above. 27 MHz buffered clock or crystal oscillator output. Crystal connection. Connect to a 27 MHz crystal, or leave unconnected for clock input.

External Components

Decoupling Capacitor

As with any high performance mixed-signal IC, the MK2716 must be isolated from system power supply noise to perform optimally.

A decoupling capacitor of 0.01µF must be connected between VDD and GND on pins 2 and It must be connected close to the MK2716 to minimize lead inductance. Pin 5 can be connected to pin No external power supply filtering is required for the MK2716.

Series Termination Resistor

A terminating resistor can be used next to the clock outputs for trace lengths over one inch.

Crystal Load Capacitors

The total on-chip capacitance is approximately 18 pF. A parallel resonant, fundamental mode, AT cut 27 MHz crystal
should be used. The device crystal connections should include pads for small capacitors from X1 to ground and from X2 to ground. These capacitors are used to adjust the stray capacitance of the board to match the nominally required crystal load capacitance. Because load capacitance can only be increased in this trimming process, it is important to keep stray capacitance to a minimum by using very short PCB traces and no vias between the crystal and device. Crystal capacitors, if needed, must be connected from each of the pins X1 and X2 to ground.
Ordering Information

A1 -C-

SEATING PLANE
h x 45

Part / Order Number

MK2716S* MK2716STR* MK2716SLF MK2716SLFTR

Marking

MK2716S MK2716SL

Shipping Packaging

Tubes Tape and Reel

Tubes Tape and Reel

Package
8-pin SOIC 8-pin SOIC 8-pin SOIC 8-pin SOIC

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

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 HDTV CLOCK SYNTHESIZER

MK2716

MK2716 HDTV CLOCK SYNTHESIZER

CLOCK SYNTHESIZER

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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
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Datasheet ID: MK2716S 637463