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2013.05.06
Embedded Memory Blocks in Stratix V Devices
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The embedded memory blocks in the devices are flexible and designed to provide an optimal amount of
small- and large-sized memory arrays to fit your design requirements.
Related Information
Stratix V Device Handbook: Known Issues
Lists the planned updates to the Stratix V Device Handbook chapters.
Types of Embedded Memory
The Stratix V devices contain two types of memory blocks:
? 20 Kb M20K blocks — blocks of dedicated memory resources. The M20K blocks are ideal for larger memory
arrays while still providing a large number of independent ports.
? 640 bit memory logic array blocks (MLABs) — enhanced memory blocks that are configured from dual-
purpose logic array blocks (LABs). The MLABs are ideal for wide and shallow memory arrays. The MLABs
are optimized for implementation of shift registers for digital signal processing (DSP) applications, wide
shallow FIFO buffers, and filter delay lines. Each MLAB is made up of ten adaptive logic modules (ALMs).
In the Stratix V devices, you can configure these ALMs as ten 32 x 2 blocks, giving you one 32 x 20 simple
dual-port SRAM block per MLAB. You can also configure these ALMs as ten 64 x 1 blocks, giving you
one 64 x 10 simple dual-port SRAM block per MLAB.
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words and logos identified as trademarks or service marks are the property of their respective holders as described at
www.altera.com/common/legal.html . Altera warrants performance of its semiconductor products to current specifications in accordance with
Altera's standard warranty, but reserves the right to make changes to any products and services at any time without notice. Altera assumes
no responsibility or liability arising out of the application or use of any information, product, or service described herein except as expressly
agreed to in writing by Altera. Altera customers are advised to obtain the latest version of device specifications before relying on any published
information and before placing orders for products or services.
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