THE CONNOR-WINFIELD CORP.

2111 COMPREHENSIVE DRIVE.

AURORA, IL 60505.

FAX (630)

851-5040.

PHONE (630) 851-4722.

WWW.CONWIN.COM

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Copyright 2001 Connor-Winfield all rights reserved.

a

HC199

09/12/06

01

CRYSTAL CONTROLLED OSCILLATORS

The Connor-Winfield MSD641

is a hermetically sealed surface

mount 5.0V Crystal Controlled

Oscillator (XO) HCMOS/TTL

Compatible. The MSD641 is

designed for applications

requiring low jitter and tight

frequency stability.

1

2

MSD641 -

44.736 MHz

CLOCK

SERIES

CENTER

FREQUENCY

5.0V OPERATION

LOW JITTER <1ps RMS

FREQUENCY TOLERANCE: ±20ppm

TEMPERATURE RANGE: -40 to 85°C

TRI-STATE ENABLE / DISABLE

FUNCTION

TAPE AND REEL PACKAGING

RoHS COMPLIANT / LEAD FREE

LEADLESS SURFACE MOUNT HCMOS

CLOCK OSCILLATOR

MSD641

ORDERING INFORMATION

FEATURES

DESCRIPTION

ABSOLUTE MAXIMUM RATINGS

TABLE 1.0

PARAMETER

UNITS

MINIMUM

NOMINAL

MAXIMUM

UNITS

NOTE

Storage Temperature

-55

-

125

°C

Supply Voltage

(Vcc)

-0.5

-

7

Vdc

OPERATING SPECIFICATIONS

TABLE 2.0

PARAMETER

MINIMUM

NOMINAL

MAXIMUM

UNITS

NOTE

Frequency Range

(Fo)

1.8

-

80

MHz

Total Frequency Tolerance

-20

-

20

ppm

1

Operating Temperature Range

-40

-

85

°C

Supply Voltage

(Vcc)

4.50

5.00

5.50

Vdc

Supply Current

(Icc)

-

-

50

mA

Jitter (BW=10Hz to 20MHz)

-

-

5

ps rms

Jitter (BW=12kHz to 20MHz)

-

-

1

ps rms

SSB Phase Noise at 10Hz offset

-

-60

-

dBc/Hz

SSB Phase Noise at 100Hz offset

-

-90

-

dBc/Hz

SSB Phase Noise at 1KHz offset

-

-125

-

dBc/Hz

SSB Phase Noise at 10KHz offset

-

-135

-

dBc/Hz

SSB Phase Noise at 100KHz offset

-

-140

-

dBc/Hz

INPUT CHARACTERISTICS

TABLE 3.0

PARAMETER

MINIMUM

NOMINAL

MAXIMUM

UNITS

NOTE

Tri-state Enable Voltage

(Vih)

>70%Vcc

-

-

Vdc

2

Tri-state Disable Voltage

(Vil)

-

-

<30%Vcc

Vdc

2

HCMOS OUTPUT

CHARACTERISTICS

TABLE 4.0

PARAMETER

MINIMUM

NOMINAL

MAXIMUM

UNITS

NOTE

LOAD

-

-

50

pF

Voltage

(High)

(Voh)

> 0.9(Vcc)

-

-

Vdc

(Low)

(Vol)

-

-

< 0.1(Vcc)

Vdc

Current

(High)

(Ioh)

-16

-

-

mA

(Low)

(Ioh)

-

-

16

mA

Duty Cycle at 50% of Vcc

45

50

55

%

Rise / Fall Time 10% to 90%

-

1.5

3

nS

Note:

1) Inclusive of calibration, frequency vs. temperature stability, supply voltage change, load change,

shock and vibration, 20 years aging.

2) Oscillator output is enabled with no connection on pad 1

PACKAGE CHARACTERISTICS

TABLE 5.0

Package

Hermetically sealed, leadless ceramic package.