MK2704STR datasheet, PDF - EEWORLD Datasheet

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MK2704STR: DescriptionVideo Clock Generator, 36.864MHz, CMOS, PDSO8, 0.150 INCH, SOIC-8; CategoryThe embedded processor and controller Microcontrollers and processors; File Size135KB，6 Pages; ManufacturerIDT (Integrated Device Technology)

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MK2704STR Overview

Video Clock Generator, 36.864MHz, CMOS, PDSO8, 0.150 INCH, SOIC-8

MK2704STR Parametric

Parameter Name	Attribute value
Is it Rohs certified?	incompatible
Maker	IDT (Integrated Device Technology)
Parts packaging code	SOIC
package instruction	0.150 INCH, SOIC-8
Contacts	8
Reach Compliance Code	not_compliant
ECCN code	EAR99
JESD-30 code	R-PDSO-G8
JESD-609 code	e0
length	4.9 mm
Humidity sensitivity level	1
Number of terminals	8
Maximum operating temperature	70 °C
Minimum operating temperature
Maximum output clock frequency	36.864 MHz
Package body material	PLASTIC/EPOXY
encapsulated code	SOP
Encapsulate equivalent code	SOP8,.25
Package shape	RECTANGULAR
Package form	SMALL OUTLINE
Peak Reflow Temperature (Celsius)	240
power supply	3.3/5 V
Master clock/crystal nominal frequency	27 MHz
Certification status	Not Qualified
Maximum seat height	1.75 mm
Maximum supply voltage	5.5 V
Minimum supply voltage	3.13 V
Nominal supply voltage	3.3 V
surface mount	YES
technology	CMOS
Temperature level	COMMERCIAL
Terminal surface	Tin/Lead (Sn85Pb15)
Terminal form	GULL WING
Terminal pitch	1.27 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	30
width	3.9 mm
uPs/uCs/peripheral integrated circuit type	CLOCK GENERATOR, VIDEO

MK2704STR Preview

DATASHEET

PLL AUDIO CLOCK SYNTHESIZER

Description

The MK2704 is a low cost, low jitter, high-performance PLL

clock synthesizer designed to replace oscillators and PLL

circuits in set-top box and multimedia systems. Using IDT’s

patented analog Phase Locked Loop (PLL) techniques, the

device uses a 27 MHz crystal or clock input to produce a

buffered reference clock and a selectable audio clock.

The audio clock is frequency locked to the 27 MHz clock,

assuring that the audio with zero ppm error and video will

track perfectly.

IDT manufactures the largest variety of Set-Top Box and

multimedia clock synthesizers for all applications. Consult

IDT to eliminate VCXOs, crystals and oscillators from your

board.

MK2704

Features

•

Packaged in 8-pin SOIC

Available in Pb-free packaging

Uses an inexpensive, fundamental crystal or clock

Selectable audio output clock of 16.9344 MHz, 18.432

MHz, or 36.864 MHz

kHz, and 96 kHz

•

Supports MPEG sampling rates of 384x, 44.1 kHz, 48

•

Patented zero ppm synthesis error in all clocks

All frequencies are frequency locked

25 mA output drive capability at TTL levels

Advanced, low power, sub-micron CMOS process

Operating voltage of 3.3 V or 5 V

NOTE: EOL for non-green parts to occur on 5/13/10

per PDN U-09-01

Block Diagram

VDD

S1:0 2

PLL Clock

Synthesis

and Control

Circuitry

Crystal

Oscillator

CLK

27 MHz

crystal or

clock input

27M

GND

Capacitors are required for crystal tuning

IDT™

PLL AUDIO CLOCK SYNTHESIZER

MK2704

REV D 122109

MK2704

PLL AUDIO CLOCK SYNTHESIZER

CLOCK SYNTHESIZER

Pin Assignment

VDD

GND

27M

CLK

UDIO

LOCK

UTPUT

ELECT

ABLE

CLK (MHz)

36.864

Test

16.9344

18.432

Key: 0 = Connect pin directly to ground

8-pin (150 mil) SOIC

1 = Connect pin directly to VDD

Pin Descriptions

Number Name

VDD

GND

27M

CLK

Type

Power

Output

Input

Connect to +3.3 V or +5 V.

Connect to ground.

Pin Description

Crystal Connection. Connect to a 27 MHz fundamental crystal or clock.

27.00 MHz buffered reference clock output.

Audio clock output per table above.

Audio clock frequency select input #1. Determines CLK output per table

above. Internal pull-up resistor.

Audio clock frequency select input #0. Determines CLK output per table

above. Internal pull-up resistor.

Crystal connection to a 27 MHz crystal, or leave unconnected for clock

output.

External Components

Decoupling Capacitor

As with any high performance mixed-signal IC, the MK2704

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 3. It must be

connected close to the MK2704 to minimize lead

inductance. No external power supply filtering is required for

the MK2704.

Series Termination Resistor

A 33Ω 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 16 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

IDT™

PLL AUDIO CLOCK SYNTHESIZER

MK2704

REV D 122109

MK2704

PLL AUDIO CLOCK SYNTHESIZER

CLOCK SYNTHESIZER

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.

The value (in pF) of these crystal caps should equal (C

-16

pF)*2. In this equation, C

= crystal load capacitance in pF.

Example: For a crystal with an 18 pF load capacitance, each

crystal capacitor would be 4 pF [(18-16) x 2] = 4.

Absolute Maximum Ratings

Stresses above the ratings listed below can cause permanent damage to the MK2704. These ratings, which are

standard values for IDT commercially rated parts, are stress ratings only. Functional operation of the device at these

or any other conditions above those indicated in the operational sections of the specifications is not implied.

Exposure to absolute maximum rating conditions for extended periods can affect product reliability. Electrical

parameters are guaranteed only over the recommended operating temperature range.

Item

Supply Voltage, VDD

All Inputs and Outputs

Ambient Operating Temperature

Storage Temperature

Soldering Temperature

Rating

-0.5 V to VDD+0.5 V

0 to +70° C

-65 to +150° C

260° C

Recommended Operation Conditions

Parameter

Ambient Operating Temperature

Power Supply Voltage (measured in respect to GND)

Min.

+3.13

Typ.

Max.

+70

+5.50

Units

DC Electrical Characteristics

VDD=3.3 V ±5%

, Ambient temperature 0 to +70° C, unless stated otherwise

Parameter

Operating Voltage

Input High Voltage

Input Low Voltage

Input High Voltage

Input Low Voltage

Output High Voltage

Output Low Voltage

Symbol

VDD

Conditions

X1 pin only

Note 1

X1 pin only

Note 1

S0, S1 pins

= -12 mA

= 12 mA

Min.

3.13

Typ.

Max.

5.50

Units

(VDD/2)+1 VDD/2

VDD/2 (VDD/2)-1

2.0

0.8

2.4

0.4

IDT™

PLL AUDIO CLOCK SYNTHESIZER

MK2704

REV D 122109

MK2704

PLL AUDIO CLOCK SYNTHESIZER

CLOCK SYNTHESIZER

Parameter

Output High Voltage, CMOS level

Operating Supply Current

Symbol

IDD

Conditions

= -4 mA

No load

VDD = 3.3.V

No load

VDD = 5 V

Min.

VDD-0.4

Typ.

+50

Max.

Units

Ω

Short Circuit Current

Input Capacitance

Nominal Output Impedance

Frequency Synthesis Error

CLK output

S0, S1 pins

All Clocks

ppm

Note 1: CMOS level input. Nominal trigger point is VDD/2 for 3.3 V or 5 V operation

AC Electrical Characteristics

VDD = 3.3 V ±5%,

Ambient Temperature 0 to +70° C, unless stated otherwise

Parameter

Input Crystal or Clock Frequency

Input Crystal Accuracy

Output Clock Rise Time

Output Clock Fall Time

Output Clock Duty Cycle

Maximum Absolute Jitter, short

Note 1: Measured with 15 pF load.

Symbol

Conditions

Min.

Typ.

Max.

±30

Units

MHz

ppm

0.8 to 2.0 V, Note 1

2.0 to 8.0 V, Note 1

at VDD/2, Note 1

Deviation from mean

1.5

±225

Thermal Characteristics

Parameter

Thermal Resistance Junction to

Ambient

Symbol

Conditions

Still air

1 m/s air flow

3 m/s air flow

Min.

Typ.

150

140

120

Max. Units

C/W

Thermal Resistance Junction to Case

IDT™

PLL AUDIO CLOCK SYNTHESIZER

MK2704

REV D 122109

MK2704

PLL AUDIO CLOCK SYNTHESIZER

CLOCK SYNTHESIZER

Package Outline and Package Dimensions

(8-pin SOIC, 150 Mil. Narrow Body)

Package dimensions are kept current with JEDEC Publication No. 95

Millimeters

Inches

Min

Max

Symbol

Min

Max

INDEX

AREA

1 2

1.35

1.75

0.10

0.25

0.33

0.51

0.19

0.25

4.80

5.00

3.80

4.00

1.27 BASIC

5.80

6.20

0.25

0.50

0.40

1.27

.0532

.0688

.0040

.0098

.013

.020

.0075

.0098

.1890

.1968

.1497

.1574

0.050 BASIC

.2284

.2440

.010

.020

.016

.050

h x 45

-C-

SEATING

PLANE

.10 (.004)

Ordering Information

Part / Order Number

MK2704S*

MK2704STR*

MK2704SLF

MK2704SLFTR

Marking

2704S

2704SL

Shipping packaging

Tubes

Tape and Reel

Tubes

Tape and Reel

Package

8-pin SOIC

Temperature

0 to +70°

*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™

PLL AUDIO CLOCK SYNTHESIZER

MK2704

REV D 122109

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MK2704STR Related Products

	MK2704STR	MK2704S
Description	Video Clock Generator, 36.864MHz, CMOS, PDSO8, 0.150 INCH, SOIC-8	Video Clock Generator, 36.864MHz, CMOS, PDSO8, 0.150 INCH, SOIC-8
Is it Rohs certified?	incompatible	incompatible
Maker	IDT (Integrated Device Technology)	IDT (Integrated Device Technology)
Parts packaging code	SOIC	SOIC
package instruction	0.150 INCH, SOIC-8	0.150 INCH, SOIC-8
Contacts	8	8
Reach Compliance Code	not_compliant	not_compliant
ECCN code	EAR99	EAR99
JESD-30 code	R-PDSO-G8	R-PDSO-G8
JESD-609 code	e0	e0
length	4.9 mm	4.9 mm
Humidity sensitivity level	1	1
Number of terminals	8	8
Maximum operating temperature	70 °C	70 °C
Maximum output clock frequency	36.864 MHz	36.864 MHz
Package body material	PLASTIC/EPOXY	PLASTIC/EPOXY
encapsulated code	SOP	SOP
Encapsulate equivalent code	SOP8,.25	SOP8,.25
Package shape	RECTANGULAR	RECTANGULAR
Package form	SMALL OUTLINE	SMALL OUTLINE
Peak Reflow Temperature (Celsius)	240	240
power supply	3.3/5 V	3.3/5 V
Master clock/crystal nominal frequency	27 MHz	27 MHz
Certification status	Not Qualified	Not Qualified
Maximum seat height	1.75 mm	1.75 mm
Maximum supply voltage	5.5 V	5.5 V
Minimum supply voltage	3.13 V	3.13 V
Nominal supply voltage	3.3 V	3.3 V
surface mount	YES	YES
technology	CMOS	CMOS
Temperature level	COMMERCIAL	COMMERCIAL
Terminal surface	Tin/Lead (Sn85Pb15)	Tin/Lead (Sn85Pb15)
Terminal form	GULL WING	GULL WING
Terminal pitch	1.27 mm	1.27 mm
Terminal location	DUAL	DUAL
Maximum time at peak reflow temperature	30	30
width	3.9 mm	3.9 mm
uPs/uCs/peripheral integrated circuit type	CLOCK GENERATOR, VIDEO	CLOCK GENERATOR, VIDEO

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