LC55D Series 1.8V
PLETRONICS
LVDS Clock Oscillator
LVDS Clock Oscillator
Applications
Features
Driving A/Ds, D/As, FPGAs
Pletronics’ LC55D Series is a Quartz crystal controlled
Fibre Channel
Ethernet, GbE, SynchE
Medical
Precision Square Wave Oscillator
LVDS Output
Enable/Disable Function on pad 1
Low Jitter
1.8V nominal Supply Voltage
15-1000 MHz Frequency Range
Storage Area Networking
COTS
LC55DX
3.20 x 5.0 x 1.35 mm
LCC Ceramic Package
Telecom
PON
Electrical Characteristics
Condition
Parameter
Frequency Range 2
Min
Typ
Max
Unit
15
-
1000
MHz
Consult factory for other options
-20
-25
-50
-20
-25
-50
Frequency Stability vs. Temperature 2
± 20 = 20, ± 25 = 44, ± 50 = 45
For all supply voltages, load changes, aging for 1 year at 25°C ± 2°C,
shock, vibration and temperatures
-
-
ppm
°C
-10
-20
-40
+70
+70
+85
Standard range
Extended range C option
Extended range E option
Operating Temperature Range 2
Supply Voltage 1, 2 VCC
Supply Current ICC
Output Waveform
1.71
1.80
69
1.89
81
V
-
mA
LVDS
Change in VOCM between
complementary output states ΔVOCM
-
-
-
-
50
mV
µA
Output leakage current VOZ
Output differential peak VP
-20
+20
Output off, Vout = 0.75V to 1.75V
247
150
454
454
15 MHz to 700 MHz
700 MHz to 1000 MHz
mV
Change in VP between complentary
output states VP
-
-
-
-
50
mV
Output TRISE and TFALL
350
ps
%
Vth is 20% and 80% of waveform
Duty Cycle tODC
VDISABLE
45
-
50
-
55
30
-
Referenced to 50% of amplitude or crossing point
%VDD
Referenced to Ground
VENABLE
70
-
-
Enable/Disable Internal Pull-up
RMS Jitter
200
150
-
kΩ
fs
To VCC, measured with pad 1 = 0.0 volts
-
250
12 kHz to 20 MHz from the output frequency at 156.25 MHz
-113
-127
-135
-144
-152
Phase Noise
1 kHz
10 kHz
100 kHz
1 MHz
10 MHz
-
-
dBc/Hz 25°C ± 2°C at 156.25 MHz
Storage Temperature Range
-55
-
+125
°C
Notes: Specifications with Pad 1 E/D open circuit
1 Place an appropriate power supply bypass capacitor next to device for correct operation
2 Specified by part number
*Requires external AC coupling for VCC = 1.8-V range as indicated. The common-mode voltage has
to be generated and applied externally
Product information is current as of publication date. The product conforms to specifications per the terms of the Pletronics standard warranty.
Production processing does not necessarily include testing of all parameters.
Nov 12, 2018 Rev. B
Pg 1
Copyright © 2018, Pletronics Inc. 19013 36th Ave. W, Lynnwood, WA 98036 USA www.pletronics.com 425-776-1880