Specifications

Mixed-Width Port Configurations
The mixed-width port configuration is supported in the simple dual-port RAM and true dual-port RAM
memory modes.
MLABs do not support mixed-width port configurations.Note:
Related Information
Internal Memory (RAM and ROM) User Guide
Provides more information about dual-port mixed width support.
M10K Blocks Mixed-Width Configurations
Table 2-7: M10K Block Mixed-Width Configurations in Simple Dual-Port RAM Mode
Write Port
Read Port
256 x 40256 x 32512 x 20512 x 161k x 101K x 82K x 52K x 44K x 28K x 1
—Yes—Yes—Yes—YesYesYes8K x 1
—Yes—Yes—Yes—YesYesYes4K x 2
—Yes—Yes—Yes—YesYesYes2K x 4
Yes—Yes—Yes—Yes———2K x 5
—Yes—Yes—Yes—YesYesYes1K x 8
Yes—Yes—Yes—Yes———1K x 10
—Yes—Yes—Yes—YesYesYes512 x 16
Yes—Yes—Yes—Yes———512 x 20
—Yes—Yes—Yes—YesYesYes256 x 32
Yes—Yes—Yes—Yes———256 x 40
Table 2-8: M10K Block Mixed-Width Configurations in True Dual-Port Mode
Port A
Port B
512 x 20512 x 161K x 101K x 82K x 52K x 44K x 28K x 1
—Yes—Yes—YesYesYes8K x 1
—Yes—Yes—YesYesYes4K x 2
—Yes—Yes—YesYesYes2K x 4
Yes—Yes—Yes———2K x 5
—Yes—Yes—YesYesYes1K x 8
Yes—Yes—Yes———1K x 10
—Yes—Yes—YesYesYes512 x 16
Altera Corporation
Embedded Memory Blocks in Cyclone V Devices
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Mixed-Width Port Configurations
CV-52002
2013.05.06