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8V44S269 PDF Datasheet ( 特性, スペック, ピン接続図 )

部品番号 8V44S269
部品説明 10-Output Clock Synthesizer
メーカ IDT
ロゴ IDT ロゴ 



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8V44S269 Datasheet, 8V44S269 PDF,ピン配置, 機能
FemtoClock® Crystal-to-LVDS, LVCMOS
10-Output Clock Synthesizer
8V44S269
Datasheet
General Description
The 8V44S269 is a ten LVDS/LVTTL output clock synthesizer
designed for instrumentation and wireless applications. The device
generates four copies of a 125MHz, two copies of a 100MHz
differential LVDS clock and one 50MHz (LVCMOS) signal with
excellent phase jitter performance. The PLL is optimized for a
reference frequency of 25MHz. Both a crystal interface and a
single-ended input are supported for the reference frequency. Three
LVCMOS outputs duplicate the reference frequency and are
provided for clock tree cascade purpose. Each of the four LVCMOS
outputs can be supplied with either 3.3V, 2.5V or 1.8V, forming the
respective LVCMOS output levels of 3.3V, 2.5V or 1.8V. The device
uses IDT’s third generation FemtoClock® technology for an optimum
of high clock frequency and low phase noise performance, combined
with a low power consumption. The device supports a 3.3V voltage
supply and is packaged in a small, lead-free (RoHS 6) 48-lead
VFQFN package.
Features
Third generation FemtoClock® technology
125MHz, 100MHz and 50MHz output clocks synthesized from a
25MHz reference clock or fundamental mode crystal
Six differential LVDS clock outputs
QA[0:3] outputs (125MHz) are LVDS compatible
QB[0:1] outputs (100MHz) are LVDS compatible
Four single-ended LVCMOS-compatible reference clock outputs
QC output (50MHz) is LVCMOS 3.3V, 2.5V or 1.8V compatible
QREF[0:2] (25MHz) are LVCMOS 3.3V, 2.5V or 1.8V compatible
Crystal interface designed for 25MHz XTAL
RMS phase jitter @ 125MHz, using a 25MHz crystal
(12kHz - 20MHz): 0.57 (typical)
RMS phase jitter @ 100MHz, using a 25MHz crystal
(12kHz - 20MHz): 0.58 (typical)
LVCMOS interface levels for the control input
I/O supply voltages for LVDS:
Core/Output
3.3V/2.5V
I/O supply voltages for LVCMOS:
Core/Output
3.3V/3.3V
3.3V/2.5V
3.3V/1.8V
Lead-free (RoHS 6) 48-lead VFQFN packaging
-55°C to 105°C ambient operating temperature
©2016 Integrated Device Technology, Inc.
1
May 9, 2016

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8V44S269

10-Output Clock Synthesizer

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