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  2. DDR SDRAM - Wikipedia

    en.wikipedia.org/wiki/DDR_SDRAM

    A module of any particular size can therefore be assembled either from 32 small chips (36 for ECC memory), or 16(18) or 8(9) bigger ones. DDR memory bus width per channel is 64 bits (72 for ECC memory). Total module bit width is a product of bits per chip and number of chips. It also equals number of ranks (rows) multiplied by DDR memory bus width.

  3. Dynamic random-access memory - Wikipedia

    en.wikipedia.org/wiki/Dynamic_random-access_memory

    Double data rate SDRAM (DDR SDRAM or DDR) was a later development of SDRAM, used in PC memory beginning in 2000. Subsequent versions are numbered sequentially (DDR2, DDR3, etc.). DDR SDRAM internally performs double-width accesses at the clock rate, and uses a double data rate interface to transfer one half on each clock edge. DDR2 and DDR3 ...

  4. Synchronous dynamic random-access memory - Wikipedia

    en.wikipedia.org/wiki/Synchronous_dynamic_random...

    DDR SDRAM (sometimes called DDR1 for greater clarity) doubles the minimum read or write unit; every access refers to at least two consecutive words. Typical DDR SDRAM clock rates are 133, 166 and 200 MHz (7.5, 6, and 5 ns/cycle), generally described as DDR-266, DDR-333 and DDR-400 (3.75, 3, and 2.5 ns per beat).

  5. DDR4 SDRAM - Wikipedia

    en.wikipedia.org/wiki/DDR4_SDRAM

    The first DDR4 memory module prototype was manufactured by Samsung and announced in January 2011. [a] Physical comparison of DDR, DDR2, DDR3, and DDR4 SDRAM Front and back of 8 GB [1] DDR4 memory modules

  6. DDR2 SDRAM - Wikipedia

    en.wikipedia.org/wiki/DDR2_SDRAM

    PC2-5300 DDR2 SO-DIMM (for notebooks) Comparison of memory modules for desktop PCs (DIMM) Comparison of memory modules for portable/mobile PCs (SO-DIMM) The key difference between DDR2 and DDR SDRAM is the increase in prefetch length. In DDR SDRAM, the prefetch length was two bits for every bit in a word; whereas it is four bits in DDR2 SDRAM.

  7. Abandoned mine at heart of search for woman is becoming unsafe

    www.aol.com/news/abandoned-pennsylvania-mine...

    Pennsylvania State Police Trooper Steve Limani said early Wednesday that the abandoned mine in Unity Township where rescue crews are working to locate 64-year-old Elizabeth Pollard is becoming ...

  8. Kingston Armory - Wikipedia

    en.wikipedia.org/wiki/Kingston_Armory

    The Kingston Armory is an historic National Guard armory that is located in Kingston, Luzerne County, Pennsylvania. It was added to the National Register of Historic Places in 1989. [ 1 ]

  9. Dying To Be Free - The Huffington Post

    projects.huffingtonpost.com/dying-to-be-free...

    Karyn Hascal, The Healing Place’s president and CEO, said she would never allow Suboxone in her treatment program because her 12-step curriculum is “a drug-free model. There’s kind of a conflict between drug-free and Suboxone.” For policymakers, denying addicts the best scientifically proven treatment carries no political cost.