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CDCI6214 Datasheet(PDF) 1 Page - Texas Instruments |
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CDCI6214 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 7 page 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 Product Folder Order Now Technical Documents Tools & Software Support & Community 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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