SDRAM

RAM or, Random Access Memory, is in almost all computing-capable devices. Found in 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.

What are RAM Memory Chips?

Computer memory modules are typically in either DIMM or SO-DIMM formats made up of a PCB board with a range of small memory chips onboard. An SDRAM memory chip is what enables the RAM module to process tasks required by the device it is installed in. The memory size of each chip on the module each contributes to the overall RAM size that is accessible by the device. Larger memory sizes typically allow for more tasks, greater problem-solving power or the ability to run more or larger pieces of software at any one time.

What is SDRAM?

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.

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.


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Description Price Memory Size Organisation SDRAM Class Data Rate Data Bus Width Address Bus Width Number of Bits per Word Maximum Random Access Time Number of Words Package Type Pin Count Dimensions Height Length
RS Stock No. 782-4566
Mfr. Part No.MT46V16M16P-5B :M
BrandMicron
TWD216.00
Each
units
256MB 16M x 16 bit DDR 200MHz 16bit 15bit 16bit 5ns 16M TSOP 66 22.22 x 10.16 x 1.2mm 1.2mm 22.22mm
RS Stock No. 170-2171
Mfr. Part No.IS42S16400J-7TLI
BrandISSI
TWD61.10
Each (In a Tray of 108)
units
64Mbit 4M x 16 bit - 143MHz 16bit 14bit 16bit 5.4ns 4M TSOP 54 22.42 x 10.29 x 1.05mm 1.05mm 22.42mm
RS Stock No. 811-5125
Mfr. Part No.IS42S16400J-7TLI
BrandISSI
TWD61.00
Each (In a Pack of 2)
units
64Mbit 4M x 16 bit - 143MHz 16bit 14bit 16bit 5.4ns 4M TSOP 54 22.42 x 10.29 x 1.05mm 1.05mm 22.42mm
RS Stock No. 782-4535
Mfr. Part No.MT48LC4M32B2P-6A :L
BrandMicron
TWD301.00
Each
units
128MB 4M x 32 bit - - 32bit 14bit 32bit 6ns 4M TSOP 86 22.22 x 10.16 x 1.2mm 1.2mm 22.22mm
RS Stock No. 177-5530
Mfr. Part No.AS4C32M16SA-7TCN
TWD465.00
Each (In a Tray of 108)
units
512Mbit 32M x 16 bit - 133MHz 16bit - 16bit 6ns 8M TSOP 54 22.2 x 10.16 x 1mm 1mm 22.2mm
RS Stock No. 797-5819
Mfr. Part No.AS4C32M16SA-7TCN
TWD511.00
Each
units
512Mbit 32M x 16 bit - 133MHz 16bit - 16bit 6ns 8M TSOP 54 22.2 x 10.16 x 1mm 1mm 22.2mm
RS Stock No. 188-2832
Mfr. Part No.W9425G6KH-5I
BrandWinbond
TWD71.20
Each (In a Pack of 5)
units
256Mbit 32M x 8 bit - 200MHz - - 8bit - 32M TSOP 66 22.35 x 10.29 x 1.05mm 1.05mm 22.35mm
RS Stock No. 201-7968
Mfr. Part No.S27KS0642GABHI020
TWD149.80
Each (In a Pack of 4)
units
64Mbit 8M x 8 DDR 200MHz 8bit 16bit - - - FBGA 24 - - -
RS Stock No. 170-2170
Mfr. Part No.IS42S16160G-7TL
BrandISSI
TWD114.80
Each (In a Tray of 108)
units
256Mbit 16M x 16 - 143MHz 16bit 15bit 16bit 5.4ns 16M TSOP 54 22.42 x 10.29 x 1.05mm 1.05mm 22.42mm
RS Stock No. 188-2835
Mfr. Part No.W972GG6KB25I
BrandWinbond
TWD403.00
Each
units
2Gbit 256M x 8 bit - - - - 8bit - 256M WBGA 84 12.6 x 8.1 x 0.6mm 0.6mm 12.6mm
RS Stock No. 188-2821
Mfr. Part No.W9812G2KB-6I
BrandWinbond
TWD193.50
Each (In a Pack of 2)
units
128Mbit 16M x 8 bit - 166MHz - - 8bit - 16M TFBGA 90 13.05 x 8.05 x 0.6mm 0.6mm 13.05mm
RS Stock No. 201-7969
Mfr. Part No.S27KS0643GABHV020
TWD41,495.00
1 Tray of 338
Tray(s)
64Mbit 8M x 8 DDR 200MHz 8bit 16bit - - - FBGA 24 - - -
RS Stock No. 188-2696
Mfr. Part No.W979H6KBVX2I
BrandWinbond
TWD159.50
Each (In a Pack of 2)
units
512Mbit 64M x 8 bit - 400MHz 16bit - 8bit - 64M VFBGA 134 11.6 x 10.1 x 0.63mm 0.63mm 11.6mm
RS Stock No. 188-2570
Mfr. Part No.W631GG8MB12I
BrandWinbond
TWD99.50
Each (In a Tray of 242)
units
1Gbit 128M x 8 bit - 800MHz - - 8bit - 128M VFBGA 78 10.6 x 8.1 x 0.6mm 0.6mm 10.6mm
RS Stock No. 188-2782
Mfr. Part No.W971GG8SB25I
BrandWinbond
TWD125.80
Each (In a Pack of 5)
units
1Gbit 128M x 8 bit - - - - 8bit - 128M WBGA 60 12.6 x 8.1 x 0.6mm 0.6mm 12.6mm
RS Stock No. 188-2814
Mfr. Part No.W9412G6KH-5I
BrandWinbond
TWD56.20
Each (In a Pack of 5)
units
128Mbit 16M x 8 bit - 200MHz - - 8bit - 16M TSOP 66 22.35 x 10.29 x 1.05mm 1.05mm 22.35mm
RS Stock No. 188-2603
Mfr. Part No.W9812G6KH-6I
BrandWinbond
TWD58.60
Each (In a Pack of 5)
units
128Mbit 16M x 8 bit - 166MHz - - 8bit - 16M TSOP 54 22.35 x 10.29 x 1.05mm 1.05mm 22.35mm
RS Stock No. 188-2596
Mfr. Part No.W9812G2KB-6I
BrandWinbond
TWD154.40
Each (In a Tray of 240)
units
128Mbit 16M x 8 bit - 166MHz - - 8bit - 16M TFBGA 90 13.05 x 8.05 x 0.6mm 0.6mm 13.05mm
RS Stock No. 171-2246
Mfr. Part No.W9725G6KB-25/TRAY
BrandWinbond
TWD78.50
Each (In a Pack of 2)
units
256Mbit 16 M x 16 bit DDR2 800MHz 16bit 16bit 16M - 16M WBGA 84 8.1 x 12.6 x 0.8mm 0.8mm 8.1mm
RS Stock No. 201-7970
Mfr. Part No.S27KS0643GABHV020
TWD155.80
Each (In a Pack of 4)
units
64Mbit 8M x 8 DDR 200MHz 8bit 16bit - - - FBGA 24 - - -