IDT8N3S271 Data Sheet LVPECL FREQUENCY-PROGRAMMABLE CRYSTAL OSCILLATOR
IDT8N3S271CCD
REVISION A DECEMBER 17, 2012
7 ©2012 Integrated Device Technology, Inc.
has been reached under these conditions.
NOTE: XTAL parameters (initial accuracy, temperature stability, aging and total stability) are guaranteed by manufacturing.
NOTE 1: This parameter is defined in accordance with JEDEC standard 65.
NOTE 2: Refer to the phase noise plot.
NOTE 3: Please see the FemtoClockNG
®
Ceramic 5x7 Modules Programming guide for more information on PLL feedback modes and the
optimum configuration for phase noise. Integer PLL feedback is the default operation for the dddd = 1xxx order codes.
NOTE 4: Integration range: 12kHz - 20MHz.
NOTE 5: Integration range: 1kHz - 40MHz.
IDT8N3S271 Data Sheet LVPECL FREQUENCY-PROGRAMMABLE CRYSTAL OSCILLATOR
IDT8N3S271CCD
REVISION A DECEMBER 17, 2012
8 ©2012 Integrated Device Technology, Inc.
Typical Phase Noise at 156.25MHz (12kHz - 20MHz)
Noise Power dBc/Hz
Offset Frequency (Hz)
IDT8N3S271 Data Sheet LVPECL FREQUENCY-PROGRAMMABLE CRYSTAL OSCILLATOR
IDT8N3S271CCD
REVISION A DECEMBER 17, 2012
9 ©2012 Integrated Device Technology, Inc.
Parameter Measurement Information
2.5V LVPECL Output Load Test Circuit
RMS Phase Jitter
Output Duty Cycle/Pulse Width/Period
3.3V LVPECL Output Load Test Circuit
Output Rise/Fall Time
Cycle-to-Cycle Jitter
SCOPE
Qx
nQx
V
EE
V
CC
-0.5V± 0.125V
2V
Offset Frequency
f
1
f
2
Phase Noise Plot
Area Under Curve Defined by the Offset Frequency Markers
RMS Phase Jitter =
Noise Power
2 * * ƒ
1
*
t
PW
t
PERIOD
t
PW
t
PERIOD
odc = x 100%
nQ
Q
SCOPE
Qx
nQx
V
EE
V
CC
-1.3V±0.165V
2V
20%
80%
80%
20%
t
R
t
F
V
SWING
nQ
Q
nQ
Q

8N3S271LC-0156CDI

Mfr. #:
Manufacturer:
Description:
Programmable Oscillators PROGRAMMABLE FEMTOCLOCK
Lifecycle:
New from this manufacturer.
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