Winbond > Part Catalog/ Mobile DRAM > Low Power DDR3 SDRAM
Low Power DDR3 SDRAM
With the strong demand for all kinds of IoT devices, engineers are looking for smaller, faster memory chips to design in their products. While standard DDR RAM chips are optimized for performance, Winbond’s Low Power DDR3 SDRAM provides an efficient solution for processing performance and battery life for mobile applications.
Double Data Rate Three Synchronous Dynamic Random-Access-Memory (DDR3 SDRAM) has double performance of DDR2 SDRAM, which improves significantly the performance of computer data processing.
What is Low Power DDR3 SDRAM?
As standard DDR SDRAM, the data transfer of Low Power DDR3 SDRAM is realized on both the rising and falling edges of the clock signal. Thus Low Power DDR3 SDRAM provides higher bandwidth to improve performance without changing the clock frequency.
The prefetch of DDR3 is 8bit which is higher than DDR(prefetch is 4bit).
That’s the reason DDR3 can provide double performance than DDR2 due to the increasing I/O clock. Data transfer is realized on both the rising and falling edges of the clock signal. Thus, Low Power DDR3 SDRAM provides higher bandwidth to improve performance without changing the clock frequency.
Comparison table between Winbond Low Power DDR2 and Low Power DDR3.
| Density | Data Rate | Banks no. | Prefetch | Burst Length | |
|---|---|---|---|---|---|
LP DDR | 128Mb – 1Gb | 333~400Mbps | 4 | 2 | 2/4/8/16 |
LP DDR2 | 256Mb – 2Gb | 800~1066Mbps | 4 | 4 | 4/8/16 |
LP DDR3 | 1Gb | 1600~1866Mbps | 8 | 8 | 8 |
What are the benefits of Winbond Low Power DDR3 SDRAM?
The main features…
High bandwidth and cost efficiency:
The 1Gb x32 LPDDR3 is a viable option for achieving high bandwidth (8.52GB/s) with a low power consumption of approximately 0.3W. This will let Winbond diversify its product portfolio and meet the evolving demands of AIoT and high-resolution display applications. Ultimately, this strategy will bring Winbond continued growth in these markets.
Wide range Densities and flexible Configuration:
Winbond offers a wide range of densities and flexible chip configurations, it’s suitable for various mobile applications.
Low voltage settings:
Winbond provides low power IC to operate efficiently in lower voltages. It’s the optimal solution for IoT devices.
Partial-Array Self-Refresh Mode (PASR):
Winbond Low Power DDR3 SDRAM integrates a crucial power-saving mechanism in the form of the Partial-Array Self-Refresh (PASR) sequence. With PASR technology, the memory can be refreshed on a per-bank basis, rather than whole fresh. In this mode, the memory can preserve critical data only to reduce the overall power consumption. This ensures only data necessary for an active computing process is refreshed.
Deep Power State:
To improve battery life for mobile devices, deep power down state allows Low Power DDR3 SDRAM to enter an ultra-low power state if data retention is not a priority.
What applications are suitable for Low Power DDR3 SDRAM?
Low Power DDR3 SDRAM is a high-performance, low-power memory technology that is suitable for use in handheld devices and mobile devices that require long-term operation and battery life. It is suitable for use in the following application:
Handheld, Smartphones, and tablets:
These devices require a long-term operation, and Low Power DDR3 SDRAM can provide longer battery life while achieving high-speed data transmission and processing.
Camcorders and Surveillance:
It can support high-speed image and video processing, which is required for photography and videography.
Automotive and embedded systems:
Low Power DDR3 SDRAM can handle high-speed data processing and storage applications in automotive systems, such as autonomous driving, intelligent safety systems, and entertainment systems.
IoT devices:
In recent years, IoT applications have had a significant transformation. Rather than simply analyzing data from endpoint sensors or edge devices, it has evolved to provide real-time interfaces. This new paradigm, referred to as AIoT, has the potential to significantly reduce system response times and overall power consumption. Related products have already appeared in a variety of contexts, including smart speakers, smart doorbells, and smart manufacturing. Low Power DDR3 SDRAM has also emerged as a pivotal technology in the AIoT ecosystem. Its small form factor, high bandwidth, and low power consumption make it a perfect fit for AIoT computing.