THE CONNOR-WINFIELD CORP.
2111 COMPREHENSIVE DRIVE.
AURORA, IL 60505.
FAX
PHONE (630) 851-4722.
WWW.CONWIN.COM
(630) 851-5040.
P R O D U C T D A T A S H E E T
CRYSTAL CONTROLLED OSCILLATORS
CW 0521
TFLD646E
100MHZ
3.3V SURFACE MOUNT HCMOS TCXO
WITH TRI-STATE ENABLE / DISABLE
TFLD646E
ABSOLUTE MAXIMUM RATINGS
PARAMETER
TABLE 1.0
NOTE
UNITS
MINIMUM NOMINAL MAXIMUM
UNITS
°C
Storage Temperature
Supply Voltage
-40
-0.6
-0.5
-
-
-
85
6
(Vcc)
Vdc
Vdc
Input Voltage
Vcc+0.5
DESCRIPTION
OPERATING SPECIFICATIONS
PARAMETER
TABLE 2.0
NOTE
MINIMUM NOMINAL MAXIMUM
UNITS
MHz
ppm
The Connor Winfield TFLD646E
is a Surface Mount Fixed
Frequency Range
(Fo)
12.80
-1.5
-4.6
-40
3.135
-
-
-
156.25
1.5
4.6
85
Frequency Stability
Frequency Temperature
Total Frequency Tolerance
Operating Temperature Range
Supply Voltage
-
ppm
1
Compensated Crystal Oscillator
(TCXO). Operating at 3.3Vdc, the
TFLD646E will maintain ±4.6ppm
frequency tolerance for 20 years
over the Industrial Temperature
Range. The TFLD646E is offered
in a surface mount package for
automated assembly.
-
°C
(Vcc)
(Icc)
3.3
9
-
3.465
25
Vdc
Supply Current
mA
Jitter (BW=10Hz to 20MHz)
Jitter (BW=12kHz to 20MHz)
-
5
ps rms
ps rms
-
-
1
PHASE NOISE CHARACTERISTICS
Typical Phase Noise Measurements @
SSB Phase Noise at 10Hz offset
TABLE 3.0
12.8
-60
77.76
-60
155.52
-50
MHz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
SSB Phase Noise at 100Hz offset
SSB Phase Noise at 1KHz offset
-90
-90
-80
-120
-135
-145
-120
-135
-145
-115
-130
-140
SSB Phase Noise at 10KHz offset
SSB Phase Noise at 100KHz offset
FEATURES
INPUT CHARACTERISTICS
Enable Voltage (High)
TABLE 4.0
3.3V OPERATION
(Vih)
(Vil)
70% Vcc
-
-
-
-
Vdc
Vdc
2
Disable Voltage (Low)
30% Vcc
OVERALL FREQUENCY TOLERANCE:
±4.6ppm OVER 20 YEARS.
HCMOS OUTPUT CHARACTERISTICS
TABLE 5.0
NOTE
TEMPERATURE RANGE: -40 to 85°C
LOW JITTER <1pS RMS
PARAMETER
MINIMUM NOMINAL MAXIMUM
UNITS
pF
LOAD
-
2.0
-
-
-
-
15
-
Voltage
(High)
(Low)
(High)
(Low)
(Voh)
(Vol)
(Ioh)
(Ioh)
Vdc
Vdc
mA
mA
%
0.4
-
TRI-STATE ENABLE / DISABLE
FUNCTION
-
Current
-4
-
-
4
Duty Cycle at 50% of Vcc
45
50
3
55
5
SURFACE MOUNT PACKAGE
TAPEAND REEL PACKAGING
RoHS COMPLIANT / LEAD FREE
Rise / Fall Time 10% to 90%
nS
PACKAGE CHARACTERISTICS
TABLE 6.0
Package
Non-hermetic package consisting of an FR4 substrate with grounded metal
cover.
ORDERING INFORMATION
PROCESS RECOMMENDATIONS
TABLE 7.0
Soldering Process
Wash
See solder profile page 2.
TFLD646E - 100.0MHz
Ultrasonic cleaning is not recommended.
Note:
TCXO
SERIES
CENTER
FREQUENCY
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. Output is at high impedance
when disabled.
Specifications subject to change without notice.
Copyright 2001 Connor-Winfield all rights reserved.
a
11/17/06
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