SCAS946A November   2016  – January 2017 CDCLVP111-SP

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
  6. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 LVECL DC Electrical Characteristics
    6. 6.6 LVPECL DC Electrical Characteristics
    7. 6.7 AC Electrical Characteristics
    8. 6.8 Typical Characteristics
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
    4. 7.4 Device Functional Modes
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Fanout Buffer for Line Card Application
        1. 8.2.1.1 Design Requirements
        2. 8.2.1.2 Detailed Design Procedure
          1. 8.2.1.2.1 LVPECL Output Termination
          2. 8.2.1.2.2 Input Termination
        3. 8.2.1.3 Application Curves
  9. 9 Power Supply Recommendations
    1. 9.1 Power-Supply Filtering
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 Receiving Notification of Documentation Updates
    2. 11.2 Community Resources
    3. 11.3 Trademarks
    4. 11.4 Electrostatic Discharge Caution
    5. 11.5 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

Package Options

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • HFG|36
Thermal pad, mechanical data (Package|Pins)
Orderable Information

1 Features

  • Distributes One Differential Clock Input Pair LVPECL to 10 Differential LVPECL
  • Fully Compatible With LVECL and LVPECL
  • Supports a Wide Supply Voltage Range From 2.375 V to 3.8 V
  • Selectable Clock Input Through CLK_SEL
  • Low-Output Skew (Typical 15 ps) for Clock-Distribution Applications
    • Additive Jitter Less Than 1 ps
    • Propagation Delay Less Than 355 ps
    • Open Input Default State
    • LVDS, CML, SSTL input Compatible
  • VBB Reference Voltage Output for Single-Ended Clocking
  • Frequency Range From DC to 3.5 GHz
  • Supports Defense, Aerospace, and Medical Applications
    • Controlled Baseline
    • One Assembly and Test Site
    • One Fabrication Site
    • Available in Military (–55°C to 125°C) Temperature Range (1)
    • Extended Product Life Cycle
    • Extended Product-Change Notification
    • Product Traceability
Custom temperature ranges available.
1. Custom temperature ranges available.

2 Applications

  • Designed for Driving 50-Ω Transmission Lines
  • High-Performance Clock Distribution
  • Engineering Evaluation (/EM) Samples Are Available (1)
These units are intended for engineering evaluation only. They are processed to a non-compliant flow (that is, no burn-in, and so forth) and are tested to a temperature rating of 25°C only. These units are not suitable for qualification, production, radiation testing, or flight use. Parts are not warranted for performance over the full MIL specified temperature range of –55°C to 125°C operating life.
1. These units are intended for engineering evaluation only. They are processed to a non-compliant flow (that is, no burn-in, and so forth) and are tested to a temperature rating of 25°C only. These units are not suitable for qualification, production, radiation testing, or flight use. Parts are not warranted for performance over the full MIL specified temperature range of –55°C to 125°C operating life.

3 Description

The CDCLVP111-SP clock driver distributes one differential clock pair of LVPECL input, (CLK0, CLK1) to ten pairs of differential LVPECL clock (Q0, Q9) outputs with minimum skew for clock distribution. The CDCLVP111-SP can accept two clock sources into an input multiplexer. The CDCLVP111-SP is specifically designed for driving 50-Ω transmission lines. When an output pin is not used, leaving it open is recommended to reduce power consumption. If only one of the output pins from a differential pair is used, the other output pin must be identically terminated to 50 Ω.

The VBB reference voltage output is used if single-ended input operation is required. In this case, the VBB pin should be connected to CLK0 and bypassed to GND via a 10-nF capacitor.

For high-speed performance, the differential mode is strongly recommended.

The CDCLVP111-SP is characterized for operation from –55°C to 125°C.

Device Information(1)

PART NUMBER PACKAGE BODY SIZE (NOM)
CDCLVP111-SP HFG (36) 9.08 mm × 9.08 mm
  1. For all available packages, see the orderable addendum at the end of the data sheet.

Functional Block Diagram

CDCLVP111-SP funcblockdia_SCAS946.gif