ePoP memory from Samsung. Free Technical Library News

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Samsung ePoP Memory

06.02.2015

Samsung Electronics has started mass production of the industry's first ePoP (package-on-package) memory, a single memory package that includes 3GB LPDDR3 DRAM memory, a 32GB eMMC board, and a controller. Designed for premium smartphones, the slim ePoP memory module integrates all major memory components into a single package that can be placed on top of a mobile processor without taking up extra space.

Overall, the new ePoP memory module is an optimal "single-packet" memory solution to meet the market's needs for high speed, high power efficiency and compactness, Samsung said. The 3GB LPDDR3 DRAM mobile memory inside the ePoP package provides 1866MB/s I/O data transfer rate and supports 64-bit I/O bandwidth.

In terms of design, ePoP memory saves a significant amount of space inside, allowing smartphone manufacturers to use the freed space for other components, such as batteries.

"Due to its thinness and special heat-resistant characteristics, Samsung's ePoP smartphone memory occupies only 225 square millimeters (15x15 mm), which is the same size as a mobile application processor," the company said.

The traditional PoP memory module (also 15mm x 15mm), which includes the mobile CPU and DRAM, as well as a separate eMMC package (11,5mm x 13mm), covers 374,5 square millimeters. Replacing this component with a Samsung ePoP module reduces the total footprint of this equipment by approximately 40%."

The single package design also does not exceed the upper limit of 1,4 mm for the semiconductor package height.

Original equipment manufacturers can use Samsung's ePoP memory in various mobile devices. The company already offers a similar one-pack solution for portable devices, the so-called "portable memory". At the same time, the new configuration designed for phones can be easily modified and used not only in premium smartphones, but also in other complex mobile devices, such as premium tablets, in cooperation with international mobile device companies, emphasized in Samsung.

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