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CDCI6214 Datasheet(PDF) 1 Page - Texas Instruments

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No. de pieza CDCI6214
Descripción Electrónicos  PCIe Gen4 Compliant Ultra-Low Power Clock Generator With Four Programmable Outputs and EEPROM
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Fabricante Electrónico  TI1 [Texas Instruments]
Página de inicio  http://www.ti.com
Logo TI1 - Texas Instruments

CDCI6214 Datasheet(HTML) 1 Page - Texas Instruments

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DAC
FPGA
LVCMOS
Crystal Copy
DAC
Ethernet
Voltage Domain
1.8V / 2.5V / 3.3V
Voltage Domain
1.8V / 2.5V / 3.3V
Voltage Domain
1.8V / 2.5V / 3.3V
Crystal
CDCI6214
PCIe
MCU
Copyright © 2017, Texas Instruments Incorporated
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Folder
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Now
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Software
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An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. ADVANCE INFORMATION for pre-production products; subject to
change without notice.
CDCI6214
SNAS748 – JULY 2017
CDCI6214 PCIe Gen4 Compliant Ultra-Low Power Clock Generator
With Four Programmable Outputs and EEPROM
1
1 Features
1
One Configurable High Performance, Low-Power
PLL With 4 Programmable Outputs
RMS Jitter Performance
Supports PCIe Gen1 / Gen2 / Gen3 / Gen4
(500 fs)
Universal Clock Input
Differential AC-Coupled or LVCMOS: 1 MHz to
250 MHz
Crystal: 8 MHz to 50 MHz
Flexible Output Frequencies
44.1 kHz to 350 MHz
Glitch-Less Output Divider Switching
Spread Spectrum Clocking (SSC) for PCIe
Four Individually Configurable Outputs
LVCMOS, LVDS or HCSL
Differential AC-Coupled With Programmable
Swing (LVDS-, CML-, LVPECL-Compatible)
Fully Integrated PLL, Configurable Loop
Bandwidth: 100 kHz to 3 MHz
Single or Mixed Supply Operation for Level
Translation: 1.8 V, 2.5 V and 3.3 V
Typical Power Consumption: 150 mW at 1.8 V(2)
Configurable GPIOs
Status Signals
Up to 4 Individual Output Enables
Output Divider Synchronization
Flexible Configuration Options
I2C-Compatible Interface: Up to 400 kHz
Integrated EEPROM With Two Pages and
External Select Pin
Industrial Temperature Range: – 40ºC to 85ºC
Small Footprint: 24-Pin VQFN (4 mm × 4 mm)
2 Applications
FPGA, Microcontroller and PCIe Clocking
Portable Electronics: Cameras, Handheld
Oscilloscope
Personal Electronics: Printers, Gaming
Factory Automation and Process Control:
Industrial PC, PLC
Video Processing and Broadcast
1G / 10G Ethernet Switches, NIC, Accelerators
3 Description
The CDCI6214 device is an ultra-low power clock
generator. The device has one phase-locked loop
and generates up to four different frequencies on
configurable differential output channels and also a
copy of the reference clock on a LVCMOS output
channel.
Each of the four output channels has a configurable
integer divider. Together with the output muxes, this
allows up to five different frequencies. The dividers in
the clock distribution path can be reset in a
deterministic way to allow clean clock gating as well
as
glitch-less
frequency
transition
when
reprogrammed.
The CDCI6214 is configured using internal registers
that are accessed by an I2C-compatible serial
interface. The device contains two pages in its
internal EEPROM. Each page can contain a device
configuration.
The CDCI6214 enables high-performance clock trees
from a single reference at ultra-low power with a
small footprint. The serial interface and EEPROM
make the CDCI6214 ideal to clock modular and
extendable systems.
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
CDCI6214
VQFN (24)
4.00 mm × 4.00 mm
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
(2) Four LVDS outputs, 156.25 MHz with crystal reference.
Application Example CDCI6214


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