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Part Name

EDS1232AABB Datasheet

Part Name Description Manufacturer
EDS1232AABB 128M bits SDRAM Elpida
Elpida Memory, Inc Elpida
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EDS1232AATA-75 image

Description
The EDS1232AA is a 128M bits SDRAM organized as 1,048,576 words × 32 bits × 4 banks. All inputs and outputs are synchronized with the positive edge of the clock.
They are packaged in 90-ball FBGA, 86-pin plastic TSOP (II).

Features
• 3.3V power supply
• Clock frequency: 166MHz (max.)
• Single pulsed /RAS
• ×32 organization
• 4 banks can operate simultaneously and independently
• Burst read/write operation and burst read/single write operation capability
• Programmable burst length (BL): 1, 2, 4, 8 and full page
• 2 variations of burst sequence
   - Sequential (BL = 1, 2, 4, 8)
   - Interleave (BL = 1, 2, 4, 8)
• Programmable /CAS latency (CL): 2, 3
• Byte control by DQM
• Refresh cycles: 4096 refresh cycles/64ms
• 2 variations of refresh
   - Auto refresh
   - Self refresh
• FBGA package is lead free solder (Sn-Ag-Cu)

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