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Part Number NT5DS64M4BF
Manufacturers Nanya Techology
Logo Nanya Techology
Description (NT5DSxxMxBx) 256Mb DDR SDRAM
Datasheet NT5DS64M4BF DatasheetNT5DS64M4BF Datasheet (PDF)

  NT5DS64M4BF   NT5DS64M4BF
www.DataSheet4U.com NT5DS64M4BT NT5DS64M4BF NT5DS32M8BT NT5DS32M8BF NT5DS16M16BT NT5DS16M16BF 256Mb DDR SDRAM Features CAS Latency and Frequency CAS Latency 3 2.5 Maximum Operating Frequency (MHz) DDR400A DDR400B (-5) (-5T) 200 200 200 166 • • • • • • • • • • • • • • 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 DLL aligns DQ and DQS transitions with CK transitions Commands entered on each positive CK edge; data and data mask referenced to both edges of DQS Burst lengths: 2, 4, or 8 CAS Latency: 2.5, 3 Auto Precharge option for each burst access Auto Refresh and Self Refresh Modes 7.8µs Maximum Average Periodic Refresh Interval SSTL_2 compatible I/O int.



WD303 NT5DS64M4BF WD304


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