Stratix® 10 Embedded Memory User Guide

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ID 683423
Date 7/24/2025
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Document Table of Contents
Document Table of Contents x
1. Stratix® 10 Embedded Memory Overview 2. Stratix® 10 Embedded Memory Architecture and Features 3. Stratix® 10 Embedded Memory Design Considerations 4. Stratix® 10 Embedded Memory IP References 5. Stratix 10 Embedded Memory Design Example 6. Stratix® 10 Embedded Memory User Guide Archives 7. Document Revision History for the Stratix® 10 Embedded Memory User Guide
1. Stratix® 10 Embedded Memory Overview x
1.1. Stratix® 10 Embedded Memory Features
2. Stratix® 10 Embedded Memory Architecture and Features x
2.1. Byte Enable in Stratix® 10 Embedded Memory Blocks 2.2. Address Clock Enable Support 2.3. Asynchronous Clear and Synchronous Clear 2.4. Memory Blocks Error Correction Code (ECC) Support 2.5. Force-to-Zero 2.6. Coherent Read Memory 2.7. Freeze Logic 2.8. True Dual Port Dual Clock Emulator 2.9. 'X' Propagation Support in Simulation 2.10. Stratix® 10 Supported Embedded Memory IPs 2.11. Stratix® 10 Embedded Memory Clocking Modes 2.12. Stratix® 10 Embedded Memory Configurations 2.13. Initial Value of Read and Write Address Registers
2.1. Byte Enable in Stratix® 10 Embedded Memory Blocks x
2.1.1. Byte Enable Controls 2.1.2. Data Byte Output 2.1.3. Byte Enable Behavior
2.4. Memory Blocks Error Correction Code (ECC) Support x
2.4.1. Parity Bit 2.4.2. ECC Parity Flip 2.4.3. ECC Read-During-Write Behavior 2.4.4. Error Correction Code Truth Table
2.6. Coherent Read Memory x
2.6.1. Forwarding Logic
2.8. True Dual Port Dual Clock Emulator x
2.8.1. Reducing the DCFIFO Depth 2.8.2. True Dual-Port Mixed Port Read During Write New Data Emulation
2.11. Stratix® 10 Embedded Memory Clocking Modes x
2.11.1. Single Clock Mode 2.11.2. Read/Write Clock Mode 2.11.3. Input/Output Clock Mode 2.11.4. Asynchronous/Synchronous Clears in Clocking Modes 2.11.5. Output Read Data in Simultaneous Read/Write 2.11.6. Independent Clock Enables in Clocking Modes
2.12. Stratix® 10 Embedded Memory Configurations x
2.12.1. Mixed-Width Port Configurations
3. Stratix® 10 Embedded Memory Design Considerations x
3.1. Consider the Memory Block Selection 3.2. Consider the Concurrent Read Behavior 3.3. Read-During-Write (RDW) 3.4. Consider Power-Up State and Memory Initialization 3.5. Reduce Power Consumption 3.6. Avoid Providing Non-Deterministic Input 3.7. Avoid Changing Clock Signals and Other Control Signals Simultaneously 3.8. Including the Reset Release FPGA IP in Your Design 3.9. Resource and Timing Optimization Feature in MLAB Blocks 3.10. Consider the Memory Depth Setting 3.11. Consider Registering the Memory Output
3.3. Read-During-Write (RDW) x
3.3.1. Customize Read-During-Write Behavior
3.3.1. Customize Read-During-Write Behavior x
3.3.1.1. Same-Port Read-During-Write Mode 3.3.1.2. Mixed-Port Read-During-Write Mode
4. Stratix® 10 Embedded Memory IP References x
4.1. On Chip Memory RAM and ROM FPGA IPs 4.2. eSRAM FPGA IP 4.3. FIFO IP 4.4. FIFO2 IP 4.5. Shift Register (RAM-based) FPGA IP
4.1. On Chip Memory RAM and ROM FPGA IPs x
4.1.1. Release Information for RAM and ROM IPs 4.1.2. RAM: 1-PORT FPGA IP Parameters 4.1.3. RAM: 2-PORT FPGA IP Parameters 4.1.4. RAM: 4-PORT FPGA IP Parameters 4.1.5. ROM: 1-PORT FPGA IP Parameters 4.1.6. ROM: 2-PORT FPGA IP Parameters 4.1.7. RAM and ROM Interface Signals 4.1.8. Changing Parameter Settings Manually
4.1.8. Changing Parameter Settings Manually x
4.1.8.1. RAM and ROM Parameter Settings
4.2. eSRAM FPGA IP x
4.2.1. Release Information for eSRAM FPGA IP 4.2.2. eSRAM System Features 4.2.3. eSRAM FPGA IP Parameters 4.2.4. eSRAM FPGA IP Interface Signals 4.2.5. eSRAM FPGA IP Simulation Walk-Through 4.2.6. eSRAM Timing Diagrams
4.2.2. eSRAM System Features x
4.2.2.1. eSRAM Specifications 4.2.2.2. eSRAM Usage Model
4.3. FIFO IP x
4.3.1. Release Information for FIFO FPGA IP 4.3.2. Configuration Methods 4.3.3. Specifications 4.3.4. FIFO Functional Timing Requirements 4.3.5. SCFIFO ALMOST_EMPTY Functional Timing 4.3.6. FIFO Output Status Flag and Latency 4.3.7. FIFO Metastability Protection and Related Options 4.3.8. FIFO Synchronous Clear and Asynchronous Clear Effect 4.3.9. SCFIFO and DCFIFO Show-Ahead Mode 4.3.10. Different Input and Output Width 4.3.11. DCFIFO Timing Constraint Setting 4.3.12. Coding Example for Manual Instantiation 4.3.13. Design Example 4.3.14. Gray-Code Counter Transfer at the Clock Domain Crossing 4.3.15. Guidelines for Embedded Memory ECC Feature 4.3.16. FIFO IP Parameters 4.3.17. Reset Scheme
4.3.3. Specifications x
4.3.3.1. Verilog HDL Prototype 4.3.3.2. VHDL Component Declaration 4.3.3.3. VHDL LIBRARY-USE Declaration 4.3.3.4. FIFO Signals 4.3.3.5. FIFO Parameter Settings
4.3.8. FIFO Synchronous Clear and Asynchronous Clear Effect x
4.3.8.1. Recovery and Removal Timing Violation Warnings when Compiling a DCFIFO
4.3.11. DCFIFO Timing Constraint Setting x
4.3.11.1. Embedded Timing Constraint 4.3.11.2. User Configurable Timing Constraint
4.3.11.2. User Configurable Timing Constraint x
4.3.11.2.1. SDC Commands
4.4. FIFO2 IP x
4.4.1. Release Information for FIFO2 IP 4.4.2. Configuration Methods 4.4.3. Fmax Target Measuring Methodology 4.4.4. Performance Considerations 4.4.5. FIFO2 IP Features 4.4.6. FIFO2 IP Parameters 4.4.7. FIFO2 IP Interface Signals 4.4.8. Reset and Clock Schemes
4.4.5. FIFO2 IP Features x
4.4.5.1. FIFO2 Specifications
4.4.6. FIFO2 IP Parameters x
4.4.6.1. FIFO2 Parameter Settings
4.4.7. FIFO2 IP Interface Signals x
4.4.7.1. SCFIFO Signals 4.4.7.2. DCFIFO Signals
4.4.8. Reset and Clock Schemes x
4.4.8.1. Clock Domains 4.4.8.2. Reset
4.4.8.2. Reset x
4.4.8.2.1. FIFO2 IP Reset Guidelines
4.5. Shift Register (RAM-based) FPGA IP x
4.5.1. Release Information for Shift Register (RAM-based) FPGA IP 4.5.2. Shift Register (RAM-based) FPGA IP Features 4.5.3. Shift Register (RAM-based) FPGA IP General Description 4.5.4. Shift Register (RAM-based) FPGA IP Parameter Settings 4.5.5. Shift Register Ports and Parameters Setting
5. Stratix 10 Embedded Memory Design Example x
5.1. FIFO and FIFO2 Design Example
5.1. FIFO and FIFO2 Design Example x
5.1.1. Generating the Design Example 5.1.2. Simulating the Design Example
5.1.2. Simulating the Design Example x
5.1.2.1. Simulation Results
1. Stratix® 10 Embedded Memory Overview
2. Stratix® 10 Embedded Memory Architecture and Features
3. Stratix® 10 Embedded Memory Design Considerations
4. Stratix® 10 Embedded Memory IP References
5. Stratix 10 Embedded Memory Design Example
6. Stratix® 10 Embedded Memory User Guide Archives
7. Document Revision History for the Stratix® 10 Embedded Memory User Guide

4.4.8. Reset and Clock Schemes


Section Content
Clock Domains
Reset

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