
© February 2012 Altera Corporation ALTDLL and ALTDQ_DQS Megafunctions User Guide
Additional Information
Revision History
The following table lists the revision history for this user guide.
How to Contact Altera
For the most up-to-date information about Altera products, refer to the following
table.
Date Version Changes Made
February 2012 v.5.0 Update input frequency.
May 2010 v4.0 Updated the ALTDLL and ALTDQ_DQS Megafunctions User Guide.
■ Added the new ALTDLL and ALTDQ_DQS parameter editor options.
■ Added Appendix for clear box Generator.
■ Added new design example.
■ Removed repetitive and redundant information.
September 2009 v3.0 Updated and reorganised Chapter 1 and Chapter 2.
December 2008 v2.0 Added:
■ HardCopy III in “Features” on page 1–2
■ Added full-rate mode and half-rate mode terms and descriptions in Figure 1–3 on page 1–9
■ Last sentence in“Step 1: Understand the Available External Memory Dedicated Circuitry in
Devices” on page 1–5
■ “ALTDLL Features” on page 1–9
■ Note (2), (3), (4) in Figure 1–3 on page 1–6
■ Added Megafunction Ports and Parameters tables in “About these Megafunctions”
■ Added Sub-Blocks Parameters and Ports in “About these Megafunctions”
■ Added Advanced Options tables in “Getting Started”
■ Removed figures in “Getting Started”
■ Added new tables in “Specifications”
■ Added “Primitives” on page 1–51
July 2008 v1.0 Initial release
Contact (Note 1)
Contact
Method Address
Technical support Website www.altera.com/support
Technical training Website www.altera.com/training
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