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EDD2504AKTA-E

Features: • Power supply : VDDQ = 2.5V ±0.2V: VDD = 2.5V ±0.2V • Data rate: 333Mbps/266Mbps (max.) • Double Data Rate architecture; two data transfers per clock cycle • Bi-directional, data strobe (DQS) is transmitted /received with data, to be used in capturing data at the...

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SeekIC No. : 004333763 Detail

EDD2504AKTA-E: Features: • Power supply : VDDQ = 2.5V ±0.2V: VDD = 2.5V ±0.2V • Data rate: 333Mbps/266Mbps (max.) • Double Data Rate architecture; two data transfers per clock cycle • Bi-di...

EDD2504AKTA-E Data Sheet

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Part Number:
EDD2504AKTA-E
Supply Ability:
5000

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  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/23

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Product Details

Description



Features:

• Power supply :  VDDQ = 2.5V ± 0.2V 
                         :  VDD = 2.5V ± 0.2V
• Data rate: 333Mbps/266Mbps (max.)
• Double Data Rate architecture; two data transfers per clock cycle 
• Bi-directional, data strobe (DQS) is transmitted /received with data, to be used in capturing data at the receiver 
• Data inputs, outputs, and DM are synchronized with DQS
• 4 internal banks for concurrent operation
• 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
• Auto precharge option for each burst access
• SSTL_2 compatible I/O
• Programmable burst length (BL):  2, 4, 8
• Programmable /CAS latency (CL): 2, 2.5
• Programmable output driver strength: normal/weak
• Refresh cycles:  8192 refresh cycles/64ms  7.8µs maximum average periodic refresh interval
• 2 variations of refresh  Auto refresh   Self refresh 
• TSOP (II) package with lead free solder (Sn-Bi)


Pinout

Connection Diagram


Specifications

Parameter                                                Symbol                      Rating                  Unit          Note
Voltage on any pin relative to VSS             VT                       ñ1.0 to +3.6              V 
Supply voltage relative to VSS                   VDD                     ñ1.0 to +3.6              V 
Short circuit output current                        IOS                      50                            mA 
Power dissipation                                      PD                       1.0                             W 
Operating temperature                              TA                       0 to +70                    
Storage temperature                                 Tstg                    ñ55 to +125              


Description

The EDD2504AKTA is a 256M bits Double Data Rate (DDR) SDRAM organized as 16,777,216 words × 4 bits × 4 banks.  Read and write operations are performed at the cross points of the CK and the /CK. This high-speed data transfer EDD2504AKTA is realized by the 2 bits prefetch-pipelined architecture.  Data strobe (DQS) both for read and write are available for high speed and reliable data bus design. By setting extended mode register, the on-chip Delay Locked Loop (DLL) can be set enable or disable.  It is packaged in 66-pin plastic TSOP (II).




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