Datasheet > 8V44S269

8V44S269

更新时间： 2024-02-19 12:24:39

品牌	Logo	应用领域
艾迪悌 - IDT		/
页数	文件大小	规格书
28页	598K
描述
FemtoClock Crystal-to-LVDS, LVCMOS 10-Output Clock Synthesizer

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8V44S269 数据手册

FemtoClock^®Crystal-to-LVDS, LVCMOS

10-Output Clock Synthesizer

8V44S269

Datasheet

General Description

Features

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.

• 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

May 9, 2016

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