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EDE2508ABSE

Features: Power supply: VDD, VDDQ = 1.8V ± 0.1V Double-data-rate architecture: two data transfers per clock cycle Bi-directional, differential data strobe (DQS and /DQS) is transmitted/received with data, to be used in capturing data at the receiver DQS is edge aligned with data for READs: center-...

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SeekIC No. : 004333800 Detail

EDE2508ABSE: Features: Power supply: VDD, VDDQ = 1.8V ± 0.1V Double-data-rate architecture: two data transfers per clock cycle Bi-directional, differential data strobe (DQS and /DQS) is transmitted/received with...

EDE2508ABSE Data Sheet

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Part Number:
EDE2508ABSE
Supply Ability:
5000

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

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Product Details

Description



Features:

Power supply:  VDD, VDDQ = 1.8V ± 0.1V
Double-data-rate architecture: two data transfers per clock cycle
Bi-directional, differential data strobe (DQS and /DQS) is transmitted/received with data, to be used in 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 
Four internal banks for concurrent operation
Data mask (DM) for write data
Burst lengths: 4, 8
/CAS Latency (CL): 4, 5
Auto precharge operation for each burst access
Auto refresh and self refresh modes
Average refresh period
   -7.8s at 0°C TC +85°C
   -3.9s at +85°C < TC +95°C
SSTL_18 compatible I/O
Posted CAS by programmable additive latency for better command and data bus efficiency
Off-Chip-Driver Impedance Adjustment and On-Die-Termination for better signal quality
Programmable RDQS, /RDQS output for making * 8 organization compatible to * 4 organization
/DQS, (/RDQS) can be disabled for single-ended Data Strobe operation.
FBGA (BGA) package with lead free solder  (Sn-Ag-Cu) 
 


Pinout

Connection Diagram


Specifications

Parameter Symbol Rating Unit Note
Power supply voltage VDD -1.0 to +2.3 V 1
Power supply voltage for output VDDQ -0.5 to +2.3 V 1
Input voltage VIN -0.5 to +2.3 V 1
Output voltage VOUT -0.5 to +2.3 V 1
Storage temperature Tstg -55 to +100 °C 1.2
Power dissipation PD 1.0 W 1
Short circuit output current IOUT 50 mA 1



Description

The EDE2508ABSE is a 256M bits DDR2 SDRAM organized as 8,388,608 words * 8 bits * 4 banks.   It is packaged in 60-ball FBGA (BGA(R) ) package. The EDE2516ABSE is a 256M bits DDR2 SDRAM organized as 4,194,304 words * 16 bits * 4 banks.   It is packaged in 84-ball FBGA (BGA) package.


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