Rambus expands portfolio of DDR5 memory interface chip

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San Jose, USA: Semiconductor company Rambus has expanded its DDR5 memory interface chip for data centres and PCs. Rambus has added Rambus SPD (Serial Presence Detect) Hub and Temperature Sensor to its portfolio, which complements with its Registering Clock Driver (RCD).

DDR5 achieves greater memory bandwidth and capacity by employing a new module architecture with an expanded chipset. The SPD Hub and Temperature Sensors improve DDR5 Dual Inline Memory Module (DIMM) system management and thermal control to deliver higher performance within the desired power envelope for servers, desktops and laptops.

“The new performance levels of DDR5 memory place an increased premium on signal integrity and thermal management for server and client DIMMs,” said Sean Fan, COO of Rambus.

“With over 30 years of memory subsystem design experience, Rambus is ideally positioned to deliver DDR5 chipset solutions which enable breakthrough bandwidth and capacity for advanced computing systems,” added Fan.

“The strong collaboration between Intel and SPD ecosystem partners like Rambus, delivers critical chip solutions for Intel’s next generation DDR5-based systems, scaling server, desktop and laptop performance to new levels,” said Dr Dimitrios Ziakas, VP of Memory and IO Technologies –Intel.

“Our joint efforts to advance DDR5-based computing systems is setting the stage for Intel’s DDR5 advance over multiple generations and the next level of performance for data centers and consumers,” added Ziakras.

“DDR5 provides a significant increase in performance for computing systems,” said Shane Rau, Research VP – Computing Semiconductors, IDC.

“However, DDR5 memory modules require new components to function, components like SPD hubs and temperature sensors are important components for client and server systems,” added Rau.

Part of the Rambus server and client DDR5 memory interface chipsets, the SPD Hub and Temperature Sensor combine with the RCD to deliver high-performance, high-capacity memory solutions for DDR5 computing systems.

Both the SPD Hub and Temperature Sensor are critical components of a memory module that sense and report important data for system configuration and thermal management. The SPD Hub is used in both server and client modules, including RDIMMs, UDIMMs and SODIMMs, and the temperature sensor is designed for server RDIMMs.

Key features of the SPD Hub (SPD5118) include:

I2C and I3C bus serial interface support
Advanced reliability features
Expanded NVM space for customer-specific applications
Low latency for fastest I3C bus rates
Integrated temperature sensor
Meets or exceeds all JEDEC DDR5 SPD Hub operational requirements (JESD300-5A)

Key features of the Temperature Sensor (TS5110) include:

Precision thermal sensing
I2C and I3C bus serial interface support
Low latency for fastest I3C bus rates
Meets or exceeds all JEDEC DDR5 Temperature Sensor operational requirements (JESD302-1.01)

Availability and Additional Information
The Rambus SPD Hub and Temperature Sensor are both available today.

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