The 256Mb DDR SDRAM is a high-speed CMOS, dynamic random-access memory containing 268,435,456 bits. It is internally configured as a quad-bank DRAM. The DDR SDRAM provides for programmable Read or Write burst lengths of 2, 4, or 8 locations. An Auto Precharge function may be enabled to provide a self-timed row precharge that is initiated at the end of the bu.
CAS Latency and Frequency
Maximum Operating Frequency (MHz)
* DDR333 DDR266B (-6K)
* (-75B) 2 133 100 2.5 166 133
* -6K also meets DDR266A Spec (MHz-CL-tRCD-tRP = 133-2-3-3) CAS Latency
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• Double data rate architecture: two data transfers per clock cycle
• Bidirectional data strobe (DQS) is transmitted and received with data, to be used in capturing data at the receiver
• DQS is edge-aligned with data for reads and is centeraligned with data for writes
Differential clock inputs (CK and CK) Four internal banks for concurrent operation Data mask (DM) for write data.
No. | Partie # | Fabricant | Description | Fiche Technique |
---|---|---|---|---|
1 | NT5DS16M16BF |
Nanya Techology |
(NT5DSxxMxBx) 256Mb DDR SDRAM | |
2 | NT5DS16M16BG |
Nanya Techology |
(NT5DSxxMxBx) 256Mb DDR SDRAM | |
3 | NT5DS16M16BS |
Nanya Techology |
(NT5DSxxMxBx) 256Mb DDR SDRAM | |
4 | NT5DS16M16BT |
Nanya Techology |
(NT5DSxxMxBx) 256Mb DDR SDRAM | |
5 | NT5DS16M16CG |
Nanya Techology |
256Mb SDRAM | |
6 | NT5DS16M16CS |
Nanya Techology |
256Mb SDRAM | |
7 | NT5DS16M16CT |
Nanya Techology |
256Mb SDRAM | |
8 | NT5DS16M16ES |
Nanya |
Commercial and Industrial Consumer DDR 256Mb SDRAM | |
9 | NT5DS16M8AT |
Nanya Techology |
(NT5DS16M8AT / NT5DS32M4AT) 128Mb DDR SDRAM | |
10 | NT5DS16M8AW |
Nanya Technology |
(NT5DSxxMxAx) 128Mb DDR333/300 SDRAM | |
11 | NT5DS128M4AF |
Nanya Techology |
(NT5DSxxMxAF) 512Mb DDR SDRAM | |
12 | NT5DS128M4BF |
Nanya Techology |
(NT5DSxxMxBx) 512Mb DDR SDRAM |