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EDJ4216BASE-DJ-F Datasheet(PDF) 1 Page - Elpida Memory |
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EDJ4216BASE-DJ-F Datasheet(HTML) 1 Page - Elpida Memory |
1 / 146 page Document No. E1646E41 (Ver. 4.1) Date Published November 2011 (K) Japan Printed in Japan URL: http://www.elpida.com Elpida Memory, Inc. 2010-2011 DATA SHEET 4G bits DDR3 SDRAM EDJ4216BASE (256M words × 16 bits) Specifications • Density: 4G bits • Organization: 32M words × 16 bits × 8 banks • Package: 96-ball FBGA ⎯ Lead-free (RoHS compliant) and Halogen-free • Power supply: VDD, VDDQ = 1.5V ± 0.075V • Data rate ⎯ 1600Mbps/1333Mbps/1066Mbps (max.) • 2KB page size ⎯ Row address: A0 to A14 ⎯ Column address: A0 to A9 • Eight internal banks for concurrent operation • Interface: SSTL_15 • Burst lengths (BL): 8 and 4 with Burst Chop (BC) • Burst type (BT): ⎯ Sequential (8, 4 with BC) ⎯ Interleave (8, 4 with BC) • /CAS Latency (CL): 5, 6, 7, 8, 9, 10, 11 • /CAS Write Latency (CWL): 5, 6, 7, 8 • Precharge: auto precharge option for each burst access • Driver strength: RZQ/7, RZQ/6 (RZQ = 240Ω) • Refresh: auto-refresh, self-refresh • Refresh cycles ⎯ Average refresh period 7.8 μs at 0°C ≤ TC ≤ +85°C 3.9 μs at +85°C < TC ≤ +95°C • Operating case temperature range ⎯ TC = 0°C to +95°C Features • Double-data-rate architecture; two data transfers per clock cycle • The high-speed data transfer is realized by the 8 bits prefetch pipelined architecture • Bi-directional differential data strobe (DQS and /DQS) is transmitted/received with data for capturing data at the receiver • 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 • Posted /CAS by programmable additive latency for better command and data bus efficiency • On-Die Termination (ODT) for better signal quality ⎯ Synchronous ODT ⎯ Dynamic ODT ⎯ Asynchronous ODT • Multi Purpose Register (MPR) for temperature read out • ZQ calibration for DQ drive and ODT • Programmable Partial Array Self-Refresh (PASR) • /RESET pin for Power-up sequence and reset function • SRT range: ⎯ Normal/extended • Programmable Output driver impedance control |
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