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EBS25UC8APMA-80L Datasheet

  • EBS25UC8APMA-80L

  • 256MB SDRAM Micro DIMM

  • 14頁(yè)

  • ELPIDA

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DATA SHEET
256MB SDRAM Micro DIMM
EBS25UC8APMA (32M words
脳
64 bits, 1 bank)
Description
The EBS25UC8APMA is 32M words
脳
64 bits, 1 bank
Synchronous Dynamic RAM Micro Dual In-line Memory
Module (Micro DIMM), mounted 8 pieces of 256M bits
SDRAM sealed in
碌BGA
錚?/div>
package. This module
provides high density and large quantities of memory in
a small space without utilizing the surface mounting
technology. Decoupling capacitors are mounted on
power supply line for noise reduction.
Note : Do not push the cover or drop the modules in
order to protect from mechanical defects, which
would be electrical defects.
Features
鈥?/div>
Fully compatible with 8 bytes Micro DIMM: JEDEC
standard outline
鈥?/div>
144-pin socket type micro dual in line memory
module (Micro DIMM)
錚?/div>
PCB height: 30.00mm (1.18inch )
錚?/div>
Lead pitch: 0.50mm
鈥?/div>
3.3V power supply
鈥?/div>
Clock frequency: 100MHz/133MHz (max.)
鈥?/div>
LVTTL interface
鈥?/div>
Data bus width:
脳
64 non-ECC
鈥?/div>
Single pulsed /RAS
鈥?/div>
4 Banks can operates simultaneously and
independently
鈥?/div>
Burst read/write operation and burst read/single write
operation capability
鈥?/div>
Programmable burst length (BL): 1, 2, 4, 8, Full page
鈥?/div>
2 variations of burst sequence
錚?/div>
Sequential
錚?/div>
Interleave
鈥?/div>
Programmable /CAS latency (CL): 2, 3
鈥?/div>
Byte control by DQMB
鈥?/div>
Refresh cycles: 8192 refresh cycles/64ms
鈥?/div>
2 variations of refresh
錚?/div>
Auto refresh
錚?/div>
Self refresh
Document No. E0241E30 (Ver. 3.0)
Date Published May 2002 (K) Japan
URL: http://www.elpida.com
錚〦lpida
Memory, Inc. 2002

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