THE CONNOR-WINFIELD CORP.
2111 COMPREHENSIVE DRIVE.
AURORA, IL 60505.
FAX
(630) 851-5040.
PHONE (630) 851-4722.
WWW.CONWIN.COM
PRODUCT D A T A SHEET
Specifications subject to change without notice.
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Copyright 2008 Connor-Winfield all rights reserved.
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CRYSTAL CONTROLLED OSCILLATORS
The Connor-Winfield
FPLD54TBG is a fixed
frequency, surface mount
Crystal Controlled Oscillator
(XO) designed for applications
requiring low jitter and a
±20ppm overall stability.
Operating at 3.3V supply
voltage, the FPLD54TBG
provides LVPECL Differential
Outputs with an enable/disable
function.
12
FPLD54TBG - 077.76M
LVPECL
CLOCK
SERIES
CENTER
FREQUENCY
FEATURES
DESCRIPTION
ORDERING INFORMATION
3.3V OPERATION
LVPECL DIFFERENTIAL OUTPUTS
DISABLE FUNCTION PAD 2
LOW JITTER <1pS RMS
OVERALL FREQUENCY TOLERANCE
±20ppm
SURFACE MOUNT PACKAGE
TAPE AND REEL PACKAGING
RoHS COMPLIANT / LEAD FREE
SURFACE MOUNT 3.3V LVPECL CLOCK
FPLD54TBG
Ec260
00
04/11/08
CW
0813
FPLD54TBG
77.76MHZ
ABSOLUTE MAXIMUM RATINGS
TABLE 1.0
PARAMETER
UNITS
MINIMUM
NOMINAL MAXIMUM
UNITS
NOTE
Storage Temperature
-55
-
125
°C
Supply Voltage
(Vcc)
-0.5
-
7.0
Vdc
OPERATING SPECIFICATIONS
TABLE 2.0
PARAMETER
MINIMUM
NOMINAL MAXIMUM
UNITS
NOTE
Center Frequency
(Fo)
16.384
-
200
MHz
Total Frequency Tolerance
-20
20
ppm
1
Operating Temperature Range
0
-
70
°C
Supply Voltage
(Vcc)
3.135
3.3
3.465
Vdc
Supply Current
(Icc)
-
60
mA
Jitter (BW=10Hz to 20MHz)
-
5
pS RMS
Jitter (BW=12kHz to 20MHz)
-
1
pS RMS
INPUT CHARACTERISTICS
TABLE 3.0
PARAMETER
MINIMUM
NOMINAL MAXIMUM
UNITS
NOTE
Disable Input Voltage (High)
(Vih)
2.275
-
Vdc
2
Enable Input Voltage (Low)
(Vil)
-
1.68
Vdc
2
LVPECL OUTPUT CHARACTERISTICS
TABLE 4.0
PARAMETER
MINIMUM
NOMINAL MAXIMUM
UNITS
NOTE
LOAD
-
50
Ohms
3
Voltage
(High)
(Voh)
2.275
-
Vdc
(Low)
(Vol)
-
1.68
Vdc
Duty Cycle
40
50
60
%
4
Rise / Fall Time 20% to 80%
-
1
nS
PROCESS RECOMMENDATIONS
TABLE 6.0
Soldering Process
RoHS compliant, lead free. See solder profile on page 2.
Wash
Ultrasonic cleaning is not recommended.
Notes
1)
Includes initial tolerance, deviation over temperature, supply and load variations, shock, vibration and 20 years
aging.
2)
When the oscillator is disabled, the true output is in a low state (Vol) and the complementary output is in the high
state (VoH).
3)
Output must be terminated into 50 ohms to Vcc – 2V or Thevenin equivalent.
4)
Duty Cycle measured at 1.977V
PACKAGE CHARACTERISTICS
TABLE 5.0
Package
Non-hermetic package consisting of an FR4 substrate with grounded metal
cover.