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What is the full form of DDR4 SDRAM?

Full form of DDR4 SDRAM: Here, we are going to learn what does DDR4 SDRAM stands for? DDR4 SDRAM – which is an abbreviation of "Double Data Rate 4 Synchronous Dynamic Random-Access Memory" in Computer Acronyms/Abbreviations, etc.
Submitted by Anushree Goswami, on November 23, 2020

DDR4 SDRAM: Double Data Rate 4 Synchronous Dynamic Random-Access Memory

DDR4 SDRAM is stands for "Double Data Rate 4 Synchronous Dynamic Random-Access Memory". It consists of a high bandwidth interface.

DDR4 SDRAM History

  • In 2014, DDR4 SDRAM was launched publically in the market.
  • In 2014, Intel's Haswell roadmap made publically known the first use of DDR4 SDRAM by the company in Haswell-EP processors.

Basis of Features

Features contained by DDR4 SDRAM have the basis of:

  • Power savings
  • Performance enhancement
  • Manufacturability
  • Reliability improvements

DDR4 SDRAM Usage

  • DDR4 chips make use of a 1.2 V supply in the company of a 2.5 V auxiliary supply in case of wordline boost known as VPP.
  • It uses memory, which is provided in 288-pin dual in-line memory modules (DIMMs).
  • DDR4 SO-DIMMs uses 260 pins, whose length measurement is 0.5 mm; width is 2.0 mm and height is 30 mm, which stay similar to the DDR3 SO-DIMMs.

DDR4 SDRAM Advantages

  • It consists of a higher module density.
  • It consists of lower voltage supplies.
  • It consists of higher data rate transfer speeds.
  • Its standard enables in case of DIMMs of up to 64 GiB in memory size.
  • It consists of higher speed operation devoid of irrational power and cooling necessities due to lower voltage supplies.
  • Its features enhance and develop performance, manufacturability, power, reliability, and stacking facilities in support of the enterprise, ultrathin, automotive, cloud, tablet, and embedded markets.

DDR4 module of JEDEC standard

  • CAS latency (CL): It is the Clock cycles connecting the process of transferring a column address to the space of memory and the opening of data in the act of response.
  • tRCD: It is the Clock cycles connecting row activate and reads/writes.
  • tRP: It is the Clock cycles connecting row pre-charge and activate.

Reference: DDR4 SDRAM


Algo tagged in: Dictionary – 'C'

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