Texas Instruments CDCF2510 3.3‑V Phase‑Lock Loop Clock Driver Handbook

The CDCF2510 is a high-performance, low-skew, low-jitter, phase-lock loop (PLL) clock driver from Texas Instruments. It uses a PLL to precisely align, in both frequency and phase, the feedback (FBOUT) output to the clock (CLK) input signal. It is specifically designed for use with synchronous DRAMs. The CDCF2510 operates at 3.3V VCC. It also provides integrated series-damping resistors that make it ideal for driving point-to-point loads. One bank of ten outputs provide ten low-skew, low-jitter copies of CLK. Output signal duty cycles are adjusted to 50%, independent of the duty cycle at CLK. The outputs can be enabled/disabled with the control (G) input. When the G input is high, the outputs switch in phase.


Texas Instruments CDCF2510 3.3‑V Phase‑Lock Loop Clock Driver Handbook - cover page
Brand
Texas Instruments
Category
Other Electronics
Document type
Datasheet
Language
English
Pages
11
File format
PDF
File size
140 KB
Published
10 May, 2012
Updated
30 September, 2023
MD5 checksum
D4A5F694EB5D51275AA03D06A283D8F3

About this manual

The CDCF2510 is a high‑performance, low‑skew, low‑jitter phase‑lock loop clock driver designed for 3.3 V operation. It distributes a single clock input to ten synchronized outputs, each with integrated series‑damping resistors and 50 % duty cycle.

The device operates from 25 MHz to 140 MHz, requires no external RC network, and includes on‑chip loop filtering. It is qualified for temperatures from 0 °C to 85 °C and includes specifications for supply voltage, output current, phase error, and jitter.

What's inside

  • Description
  • Functional Block Diagram
  • Terminal Functions
  • Absolute Maximum Ratings
  • Recommended Operating Conditions
  • Electrical Characteristics
  • Switching Characteristics
  • Mechanical Information
  • Important Notice

Specifications

Operating frequency25 MHz to 140 MHz
Operating temperature range0 °C to 85 °C
High‑level output current‑12 mA

Frequently asked questions

Does the CDCF2510 require an external RC network?

No external RC network is required; the loop filter is integrated on‑chip.

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