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庫存編號 782-4566
製造零件編號MT46V16M16P-5B :M
BrandMicron
TWD152.00
單位
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庫存編號 170-2171
製造零件編號IS42S16400J-7TLI
BrandISSI
TWD84.10
Each (In a Tray of 108)
單位
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庫存編號 811-5125
製造零件編號IS42S16400J-7TLI
BrandISSI
TWD74.00
/個 (每包:2個)
單位
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庫存編號 782-4535
製造零件編號MT48LC4M32B2P-6A :L
BrandMicron
TWD580.00
單位
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庫存編號 797-5819
製造零件編號AS4C32M16SA-7TCN
TWD495.00
單位
512Mbit 32M x 16 bit - 133MHz 16bit - 16bit 6ns 8M TSOP 54 22.2 x 10.16 x 1mm 1mm 22.2mm
RS庫存編號 177-5530
製造零件編號AS4C32M16SA-7TCN
TWD418.30
Each (In a Tray of 108)
單位
512Mbit 32M x 16 bit - 133MHz 16bit - 16bit 6ns 8M TSOP 54 22.2 x 10.16 x 1mm 1mm 22.2mm
全新
RS庫存編號 188-2730
製造零件編號W9712G6KB25I
BrandWinbond
TWD88.80
/個 (每包:5個)
單位
128Mbit 16M x 8 bit - - - - 8bit - 16M TFBGA 84 12.6 x 8.1 x 0.8mm 0.8mm 12.6mm
全新
RS庫存編號 188-2582
製造零件編號W971GG8SB25I
BrandWinbond
TWD116.30
Each (In a Tray of 209)
單位
1Gbit 128M x 8 bit - - - - 8bit - 128M WBGA 60 12.6 x 8.1 x 0.6mm 0.6mm 12.6mm
全新
RS庫存編號 188-2583
製造零件編號W9725G6KB25I
BrandWinbond
TWD78.40
Each (In a Tray of 209)
單位
256Mbit 32M x 8 bit - - - - 8bit - 32M WBGA 84 12.6 x 8.1 x 0.6mm 0.6mm 12.6mm
全新
RS庫存編號 188-2578
製造零件編號W949D6DBHX5I
BrandWinbond
TWD120.00
Each (In a Tray of 312)
單位
512Mbit 64M x 8 bit - 200MHz 16bit - 8bit - 64M VFBGA 60 9.1 x 8.1 x 0.65mm 0.65mm 9.1mm
全新
RS庫存編號 188-2805
製造零件編號W9725G6KB25I
BrandWinbond
TWD99.80
/個 (每包:5個)
單位
256Mbit 32M x 8 bit - - - - 8bit - 32M WBGA 84 12.6 x 8.1 x 0.6mm 0.6mm 12.6mm
全新
RS庫存編號 188-2765
製造零件編號W631GU6MB12I
BrandWinbond
TWD148.00
/個 (每包:5個)
單位
1Gbit 128M x 8 bit - 800MHz - - 8bit - 128M VFBGA 96 13.1 x 7.6 x 0.6mm 0.6mm 13.1mm
RS庫存編號 811-5113
製造零件編號IS42S16160G-7TLI
BrandISSI
TWD242.00
單位
256Mbit 16M x 16 bit - 143MHz 16bit 15bit 16bit 5.4ns 16M TSOP 54 22.42 x 10.29 x 1.05mm 1.05mm 22.42mm
全新
RS庫存編號 188-2788
製造零件編號W631GU8MB12I
BrandWinbond
TWD148.00
/個 (每包:5個)
單位
1Gbit 128M x 8 bit - 800MHz - - 8bit - 128M VFBGA 78 10.6 x 8.1 x 0.6mm 0.6mm 10.6mm
RS庫存編號 171-2248
製造零件編號W9751G6KB-25/TRAY
BrandWinbond
TWD104.00
/個 (每包:2個)
單位
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
全新
RS庫存編號 188-2756
製造零件編號W971GG6SB25I
BrandWinbond
TWD140.60
/個 (每包:5個)
單位
1Gbit 128M x 8 bit - - - - 8bit - 128M WBGA 84 12.6 x 8.1 x 0.8mm 0.8mm 12.6mm
全新
RS庫存編號 188-2651
製造零件編號W949D2DBJX5I
BrandWinbond
TWD154.80
/個 (每包:5個)
單位
512Mbit 64M x 8 bit - 200MHz 32bit - 8bit - 64M VFBGA 90 13.1 x 8.1 x 0.65mm 0.65mm 13.1mm
全新
RS庫存編號 188-2584
製造零件編號W972GG6KB25I
BrandWinbond
TWD447.20
Each (In a Tray of 209)
單位
2Gbit 256M x 8 bit - - - - 8bit - 256M WBGA 84 12.6 x 8.1 x 0.6mm 0.6mm 12.6mm
RS庫存編號 170-0918
製造零件編號AS4C1M16S-7TCN
TWD47.70
Each (In a Tray of 117)
單位
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
全新
RS庫存編號 188-2782
製造零件編號W971GG8SB25I
BrandWinbond
TWD148.00
/個 (每包:5個)
單位
1Gbit 128M x 8 bit - - - - 8bit - 128M WBGA 60 12.6 x 8.1 x 0.6mm 0.6mm 12.6mm