SDRAM

What is RAM?
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 on board. 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 of 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. 170-2170
Mfr. Part No.IS42S16160G-7TL
BrandISSI
TWD85.00
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. 188-2578
Mfr. Part No.W949D6DBHX5I
BrandWinbond
TWD94.80
Each (In a Tray of 312)
units
512Mbit 64M x 8 bit - 200MHz 16bit - 8bit - 64M VFBGA 60 9.1 x 8.1 x 0.65mm 0.65mm 9.1mm
RS Stock No. 188-2788
Mfr. Part No.W631GU8MB12I
BrandWinbond
TWD103.40
Each (In a Pack of 5)
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. 188-2651
Mfr. Part No.W949D2DBJX5I
BrandWinbond
TWD122.00
Each (In a Pack of 5)
units
512Mbit 64M x 8 bit - 200MHz 32bit - 8bit - 64M VFBGA 90 13.1 x 8.1 x 0.65mm 0.65mm 13.1mm
RS Stock No. 173-0302
Mfr. Part No.AS4C4M32S-7BCN
TWD111.10
Each (In a Tray of 190)
units
128Mbit 4M x 32 bit - 133MHz 32bit - 32bit 5.4ns 1M TFBGA 90 8.1 x 13.1 x 0.79mm 0.79mm 8.1mm
RS Stock No. 170-2174
Mfr. Part No.IS42S32400F-7TL
BrandISSI
TWD97.00
Each (In a Tray of 108)
units
128Mbit 4M x 32 - 143MHz 32bit 14bit 32bit 6.5ns 4M TSOP 86 22.42 x 10.29 x 1.05mm 1.05mm 22.42mm
RS Stock No. 188-2835
Mfr. Part No.W972GG6KB25I
BrandWinbond
TWD525.00
Each
units
2Gbit 256M x 8 bit - - - - 8bit - 256M WBGA 84 12.6 x 8.1 x 0.6mm 0.6mm 12.6mm
New
RS Stock No. 193-8781
Mfr. Part No.S27KL0641DABHI020
TWD156.00
Each (In a Pack of 2)
units
64Mbit 8M x 8 bit DDR 100MHz 8bit - 8bit 36ns 8M FBGA 24 8 x 6 x 0.8mm 0.8mm 8mm
RS Stock No. 171-2248
Mfr. Part No.W9751G6KB-25/TRAY
BrandWinbond
TWD91.00
Each (In a Pack of 2)
units
512Mbit 32 M x 16 bit DDR2 800MHz 16bit 32bit 16M - 32M WBGA 84 8.1 x 12.6 x 0.8mm 0.8mm 8.1mm
RS Stock No. 188-2581
Mfr. Part No.W971GG6SB25I
BrandWinbond
TWD108.10
Each (In a Tray of 209)
units
1Gbit 128M x 8 bit - - - - 8bit - 128M WBGA 84 12.6 x 8.1 x 0.8mm 0.8mm 12.6mm
New
RS Stock No. 201-7967
Mfr. Part No.S27KS0642GABHI020
TWD35,554.00
1 Tray of 338
Tray(s)
64Mbit 8M x 8 DDR 200MHz 8bit 16bit - - - FBGA 24 - - -
RS Stock No. 797-5790
Mfr. Part No.AS4C1M16S-7TCN
TWD62.70
Each (In a Pack of 3)
units
16Mbit 1M x 16 bit - 143MHz 16bit - 16bit 5.4ns 512K TSOP 50 21.08 x 10.29 x 1.1mm 1.1mm 21.08mm
RS Stock No. 188-2782
Mfr. Part No.W971GG8SB25I
BrandWinbond
TWD166.40
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. 188-2756
Mfr. Part No.W971GG6SB25I
BrandWinbond
TWD114.60
Each (In a Pack of 5)
units
1Gbit 128M x 8 bit - - - - 8bit - 128M WBGA 84 12.6 x 8.1 x 0.8mm 0.8mm 12.6mm
RS Stock No. 188-2660
Mfr. Part No.W9864G6KH-6I
BrandWinbond
TWD50.60
Each (In a Pack of 5)
units
64Mbit 8M x 8 bit - 166MHz - - 8bit - 8M TSOP 54 22.35 x 10.29 x 1.05mm 1.05mm 22.35mm
RS Stock No. 188-2600
Mfr. Part No.W9864G6KH-6I
BrandWinbond
TWD45.10
Each (In a Tray of 108)
units
64Mbit 8M x 8 bit - 166MHz - - 8bit - 8M TSOP 54 22.35 x 10.29 x 1.05mm 1.05mm 22.35mm
RS Stock No. 177-5529
Mfr. Part No.AS4C32M16SA-7TIN
TWD484.00
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. 188-2569
Mfr. Part No.W631GG6MB12I
BrandWinbond
TWD81.80
Each (In a Tray of 198)
units
1Gbit 128M x 8 bit - 800MHz - - 8bit - 128M VFBGA 96 13.1 x 7.6 x 0.6mm 0.6mm 13.1mm
RS Stock No. 188-2575
Mfr. Part No.W9425G6KH-5I
BrandWinbond
TWD76.90
Each (In a Tray of 108)
units
256Mbit 32M x 8 bit - 200MHz - - 8bit - 32M TSOP 66 22.35 x 10.29 x 1.05mm 1.05mm 22.35mm
New
RS Stock No. 201-7968
Mfr. Part No.S27KS0642GABHI020
TWD151.50
Each (In a Pack of 4)
units
64Mbit 8M x 8 DDR 200MHz 8bit 16bit - - - FBGA 24 - - -