Hard Processor System Technical Reference Manual: Agilex™ 3 SoCs

ID 848530
Date 6/23/2025
Public
Document Table of Contents

4.4.1. On-Chip RAM Differences Among Altera® SoC Device Families

Table 111.  On-Chip RAM Differences
On-Chip RAM Feature

Cyclone® V SoC,

Arria® V SoC

Arria® 10 SoC

Stratix® 10 SoC,

Agilex™ 7

F-Series/I-Series/

M-Series SoC

Agilex™ 5

E-Series/D-Series SoC,

Agilex™ 3

C-Series SoC

On-Chip RAM size 64 KB 256 KB 256 KB 512 KB
ECC protection Basic Enhanced Enhanced Enhanced
ECC errors can be directly injected from the ECC controller N/A Yes Yes Yes
Table 112.  Comparison of Basic and Enhanced ECC Features
Feature Basic ( Cyclone® V SoC, Arria® V SoC) Enhanced ( Arria® 10 SoC, Stratix® 10 SoC, Agilex™ 7 SoC, Agilex™ 3 SoC)
Single-bit error detection and correction Yes Yes
Double-bit error detection Yes Yes
Indirect memory access; for RAM testing and double-bit error correction No Yes
Logs most recent error memory address No Yes
Memory initialization block implements memory initialization No Yes
Single-bit error counter with programmable counter-match interrupt No Yes