The Cadence® Memory Model VIP for OctaRAM provides verification of OctaRam and PSRAM controller using the OctaRAM Double Data Rate RAM and PSRAM protocol. 

Specification Support

The model supports features of the following vendors: Macronix, Micron, and APMemory. The specification is available from respective vendors. 

Note: Micron uses the term PSRAM instead of OctaRAM.

Early Adopter Program

The Early Adopter Program allows customers to gain early access to the Denali® Memory Model for OctaRAM, enabling the expansion of emerging memory protocols and, more importantly, to influence product requirements to meet their project timelines by working closely with our memory model architects and the broader Denali Memory Model team.  

For more information, please contact David Peña, Director of Product Strategy.

Product Highlights

Transaction callback events are available on requests and responses to monitor activity.

Key Features

The following table describes key features from the specification that are implemented in the VIP.

Feature Name

Memory Read

Memory Read with Continuous and Wrapped Burst

Sync Read

Memory Read with Wrapped and Hybrid Burst

Memory Write

Memory Write with Continuous and Wrapper Burst

Sync Write

Memory Write with Wrapped and Hybrid Burst

Register Read

Identification and Configuration Register Read

Register Write

Configuration Register Write

Mode Register Read

Mode Register Read for PSRRAM

Mode Register Write

Mode Register Write for PSRAM

Preamble Bit Pattern Read

Read Preamble Bit Pattern

64B Hybrid Wrap Read

Read 64-byte Hybrid Wrapped Data for PSRAM

64B Hybrid Wrap Write

Write 64-byte Hybrid Wrapped Data for PSRAM

Global Reset

Reset PSRAM Device

Hardware Reset

Hardware Reset Through RESETn Pin

Half Sleep Mode

PSRAM Device In Low Power State