THE CONNOR-WINFIELD CORP.
2111 COMPREHENSIVE DRIVE.
AURORA, IL 60505.
FAX (630) 851-5040.
PHONE (630) 851-4722.
www.conwin.com
P R O D UC T D ATA S H E E T
CRYSTAL CONTROLLED OSCILLATORS
SURFACE MOUNT 3.3V LVPECL CLOCK
EML6243
ABSOLUTE MAXIMUM RATINGS
PARAMETER
TABLE 1.0
NOTE
UNITS
MINIMUM NOMINAL MAXIMUM
UNITS
°C
Storage Temperature
-55
-
-
125
7.0
DESCRIPTION
Supply Voltage
(Vcc)
-0.5
Vdc
OPERATING SPECIFICATIONS
PARAME TER
TABLE 2.0
NOTE
The Connor-Winfield EML6243
is a fixed frequency surface
mount Crystal Controlled
Oscillator (XO) designed for
applications requiring low jitter
and tight frequency stability.
Operating at 3.3V supply
MINIMUM NOMINAL MAXIMUM
UNITS
MHz
Center Frequency
(Fo)
19.44
-
200
Total Frequency Tolerance
Operating Temperature Range
Supply Voltage
-50
-
50
ppm
1
-40
-
3.3
-
85
°C
(Vcc)
(Icc)
3.135
3.465
Vdc
Supply Current
-
-
-
-
-
-
-
-
60
5
1
-
mA
Jitter (BW=10Hz to 20MHz)
Jitter (BW=12kHz to 20MHz)
SSB Phase Noise at 10Hz offset
SSB Phase Noise at 100Hz offset
SSB Phase Noise at 1KHz offset
SSB Phase Noise at 10KHz offset
SSB Phase Noise at 10KHz offset
-
ps rms
ps rms
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
-
voltage, the EML6243 provides
LVPECLcompatible outputs.
-60
-90
-100
-125
-135
-
-
-
-
PECL OUTPUT CHARACTERISTICS
PARAMETER
TABLE 3.0
NOTE
2
MINIMUM NOMINAL MAXIMUM
UNITS
Ohms
Vdc
Vdc
%
FEATURES
LOAD
-
-
-
50
-
Voltage
(High)
(Low)
(Voh)
(Vol)
2.275
3.3V OPERATION
-
45
-
-
1.68
55
1
Duty Cycle
50
-
3
LVPECL DIFFERENTIALOUTPUTS
LOW JITTER <1pS RMS
Rise / Fall Time 20% to 80%
nS
PACKAGE CHARACTERISTICS
TABLE 4.0
OVERALL FREQUENCY TOLERANCE:
±50ppm
Package
Hermetically sealed, ceramic package with gold plated J leads.
TEMPERATURE RANGE:
-40 to 85°C
Notes
1) Includes calibration, stability vs. temperature, supply and load variations, shock, vibration and aging (10 years).
2) Output must be terminated into 50 ohms to Vcc – 2V or Thevenin equivalent.
3) Duty Cycle measured at 1.977V
SURFACE MOUNT PACKAGE
TAPEAND REEL PACKAGING
ORDERING INFORMATION
EML6243 - 200.00MHz
LVPECL
SERIES
CENTER
FREQUENCY
Specifications subject to change without notice.
Ec211
1
2
00
11/16/04
DATE:
Copyright 2001 Connor-Winfield all rights reserved.
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