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Numéro de référence | D5108AFTA-5B-E | ||
Description | EDD5108AFTA-5B-E | ||
Fabricant | Elpida Memory | ||
Logo | |||
1 Page
DATA SHEET
512M bits DDR SDRAM
EDD5108AFTA (64M words × 8 bits)
EDD5116AFTA (32M words × 16 bits)
Specifications
• Density: 512M bits
• Organization
⎯ 16M words × 8 bits × 4 banks (EDD5108AFTA)
⎯ 8M words × 16 bits × 4 banks (EDD5116AFTA)
• Package: 66-pin plastic TSOP (II)
⎯ Lead-free (RoHS compliant)
• Power supply:
⎯ DDR400:
VDD, VDDQ = 2.6V ± 0.1V
⎯ DDR333, 266: VDD, VDDQ = 2.5V ± 0.2V
• Data rate: 400Mbps/333Mbps/266Mbps (max.)
• Four internal banks for concurrent operation
• Interface: SSTL_2
• Burst lengths (BL): 2, 4, 8
• Burst type (BT):
⎯ Sequential (2, 4, 8)
⎯ Interleave (2, 4, 8)
• /CAS Latency (CL): 2, 2.5, 3
• Precharge: auto precharge option for each burst
access
• Driver strength: normal/weak
• Refresh: auto-refresh, self-refresh
• Refresh cycles: 8192 cycles/64ms
⎯ Average refresh period: 7.8μs
• Operating ambient temperature range
www.DataS⎯heeTt4AU=.co0m°C to +70°C
Features
• Double-data-rate architecture; two data transfers per
clock cycle
• The high-speed data transfer is realized by the 2 bits
prefetch pipelined architecture
• Bi-directional data strobe (DQS) is transmitted
/received with data for capturing data at the receiver
• Data inputs, outputs, and DM are synchronized with
DQS
• DQS is edge-aligned with data for READs; center-
aligned with data for WRITEs
• Differential clock inputs (CK and /CK)
• 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
• Data mask (DM) for write data
Document No. E0699E50 (Ver. 5.0)
Date Published November 2006 (K) Japan
Printed in Japan
URL: http://www.elpida.com
©Elpida Memory, Inc. 2005-2006
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Pages | Pages 52 | ||
Télécharger | [ D5108AFTA-5B-E ] |
No | Description détaillée | Fabricant |
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