MK2761STR datasheet, PDF - EEWORLD Datasheet

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MK2761STR: DescriptionClock Generator, 27MHz, CMOS, PDSO16, 0.150 INCH, SOIC-16; CategoryThe embedded processor and controller Microcontrollers and processors; File Size130KB，5 Pages; ManufacturerIDT (Integrated Device Technology)

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MK2761STR Overview

Clock Generator, 27MHz, CMOS, PDSO16, 0.150 INCH, SOIC-16

MK2761STR Parametric

Parameter Name	Attribute value
Is it Rohs certified?	incompatible
Parts packaging code	SOIC
Contacts	16
Reach Compliance Code	not_compliant
ECCN code	EAR99
Is Samacsys	N
JESD-30 code	R-PDSO-G16
JESD-609 code	e0
length	9.9 mm
Number of terminals	16
Maximum operating temperature	70 °C
Minimum operating temperature
Maximum output clock frequency	27 MHz
Package body material	PLASTIC/EPOXY
encapsulated code	SOP
Encapsulate equivalent code	SOP16,.25
Package shape	RECTANGULAR
Package form	SMALL OUTLINE
Peak Reflow Temperature (Celsius)	NOT SPECIFIED
power supply	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	4.5 V
Nominal supply voltage	5 V
surface mount	YES
technology	CMOS
Temperature level	COMMERCIAL
Terminal surface	Tin/Lead (Sn/Pb)
Terminal form	GULL WING
Terminal pitch	1.27 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	NOT SPECIFIED
width	3.9 mm
uPs/uCs/peripheral integrated circuit type	CLOCK GENERATOR, OTHER
Base Number Matches	1

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MK2761

TOP

LOCK

OURCE

Description

The MK2761 is a low-cost, low-jitter, high-performance

clock synthesizer for set-top box applications. Using

analog Phase-Locked Loop (PLL) techniques, the

device accepts a 27 MHz crystal or clock input to

produce multiple output clocks including the processor

clock, the UART clock, a selectable audio clock, and

four low skew copies of the 27 MHz. The audio clocks

are frequency-locked to the 27 MHz using our patented

zero ppm error techniques. This allows audio and video

to track exactly, thereby eliminating the need for large

buffer memory.

ICS manufactures a large variety of Set-top Box and

multimedia clock synthesizers for all applications.

Consult ICS to eliminate crystals and oscillators from

your board.

Features

•

Packaged in a 16-pin narrow (150 mil) SOIC

•

Selectable audio sampling frequencies support 32,

44.1, and 48 kHz in most DACs

•

27 MHz crystal or clock input

Processor frequency of 16.67 MHz

Fixed clocks of 27 and 24.576 MHz

Zero ppm in audio clocks exactly track video

frequency

•

25 mA output drive capability at TTL levels

•

Advanced, low-power, sub-micron CMOS process

•

Operating voltage of 5.0 V ±10%

Block Diagram

VDD

ACS1:0

27.000 MHz

crystal or clock

Clock

Synthesis and

Control

Circuitry

Audio Clock

3.6864 MHz

16.667 MHz

Crystal

Ocsillator

GND

27.000 MHz

MDS 2761 B

I n t e gra te d C i r c u i t S y s t e m s

●

525 Race Stre et, San Jo se, CA 9 5126

●

Revision 120204

te l (40 8) 2 97-12 01

●

w w w. i c st . c o m

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