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attributes.Memory_Size

attributes.Organisation

attributes.SDRAM_Class

attributes.Data_Rate

attributes.Data_Bus_Width

attributes.Address_Bus_Width

attributes.Number_of_Bits_per_Word

attributes.Maximum_Random_Access_Time

attributes.Number_of_Words

attributes.Mounting_Type

attributes.Package_Type

attributes.Pin_Count

attributes.Dimensions

attributes.Height

attributes.Length

Alliance Memory AS4C64M8D3-12BINTR, SDRAM 512MB SMD, 1600Mbps, 78-Pin 78-Ball FBGA

Alliance Memory AS4C64M16D3B-12BANTR, SDRAM 1GByte SMD, 1600Mbps, 96-Pin 96-Ball FBGA

Alliance Memory AS4C64M16D3B-12BCNTR, SDRAM 1GByte SMD, 1600Mbps, 96-Pin 96-Ball FBGA

Alliance Memory AS4C64M8D3-12BCN, SDRAM 512MB SMD, 1600Mbps, 78-Pin 78-Ball FBGA

Alliance Memory AS4C128M8D3B-12BINTR, SDRAM 1GByte SMD, 1600Mbps, 78-Pin 78-Ball FBGA

Winbond W631GU8NB12I, SDRAM 1Gbit Surface Mount, 800MHz, 1.283 V to 1.425 V, 78-Pin VFBGA

Alliance Memory AS4C128M8D3B-12BCNTR, SDRAM 1GByte SMD, 1600Mbps, 78-Pin 78-Ball FBGA

Alliance Memory AS4C128M8D3B-12BCN, SDRAM 1GByte SMD, 1600Mbps, 78-Pin 78-Ball FBGA


SDRAM, unlike regular DRAM, operates while syncing with the CPU clock. This syncing means the RAM waits for the clock signal before it will respond to data input. Unlike regular DRAM that will respond immediately to input data, SDRAM has a pipelining function allowing the CPU to process multiple tasks in parallel. RS offers a range of SDRAM products that vary in memory size from 16Mbit to 2Gbit.

### What is the difference between RAM, DRAM, and SDRAM?

RAM or, Random Access Memory, is in almost all computing-capable devices, including handheld devices like smartphones, tablets, and games consoles, as well as laptops, desktop computers, televisions and so much more. RAM enables these devices to process tasks, manage information and solve problems. Aside from memory size, access time and data rates are key to having the most efficient and high-performing device possible. These two factors are what allow CPUs to access the system RAM and engage processes and solve problems. Shorter access times provide faster access, building more efficient working environments.

Data rates, measured in Megahertz (MHz), varies across types and sizes of RAM and combined with bus widths and access time, data rates play a large part in processing. The data rate is quite simply the speed at which data can be fed into and out of systems. This means time taken to feed a process into the RAM and then transfer the results of the process undertaken back to the computer or device using it. Higher MHz values on RAM provide faster transfer times allowing systems to both feed and receive information faster.

DRAM, or Dynamic Random Access Memory, is a type of RAM used for short-term data storage and uses one transistor to store data on one capacitor, but the data is lost once the capacitor loses its charge unless it is periodically recharged. This recharging is where the 'dynamic' is taken from. DRAM sends instructions to the processor as soon as it receives them, in contrast to SDRAM, or Synchronous Dynamic Random Access Memory, which is synchronised to the computer's clock. The difference this creates is that instructions join a pipeline of instructions to be processed, allowing for more commands to be received rather than waiting for one process to finish before allowing another to be received. This allows SDRAM to operate at much higher speeds than other forms of RAM.



SDRAM

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1228569899

1805640584

1950438482

2506730665

3047907070

3089561311

3302248003

3379516231

3577158573

3702440375

3735939629

4084450865

4292484756

607105215

1568119392

1953764780

281144504

2847774414

2854130884

3031041232

3694170890

4239710393

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