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EM488M3244VBB-7FE Datasheet(PDF) 1 Page - Eorex Corporation

Part # EM488M3244VBB-7FE
Description  256Mb (2M횞4Bank횞32) Synchronous DRAM
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Manufacturer  EOREX [Eorex Corporation]
Direct Link  http://www.eorex.com
Logo EOREX - Eorex Corporation

EM488M3244VBB-7FE Datasheet(HTML) 1 Page - Eorex Corporation

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eorex
EM488M3244VBB
Jul. 2006
www.eorex.com
1/18
256Mb (2M×
×
×
×
4Bank×
×
×
×
32) Synchronous DRAM
Features
• Fully Synchronous to Positive Clock Edge
• Single 3.3V ±0.3V Power Supply
• LVTTL Compatible with Multiplexed Address
• Programmable Burst Length (B/L) - 1, 2, 4, 8
or Full Page
• Programmable CAS Latency (C/L) - 2 or 3
• Data Mask (DQM) for Read / Write Masking
• Programmable Wrap Sequence
– Sequential (B/L = 1/2/4/8/full Page)
– Interleave (B/L = 1/2/4/8)
• Burst Read with Single-bit Write Operation
• All Inputs are Sampled at the Rising Edge of
the System Clock
• Auto Refresh and Self Refresh
• 4,096 Refresh Cycles / 64ms (15.625us)
Description
The EM488M3244VBB is Synchronous Dynamic
Random Access Memory (SDRAM) organized as
2Meg words x 4 banks by 32 bits. All inputs and
outputs are synchronized with the positive edge of
the clock.
The 256Mb SDRAM uses synchronized pipelined
architecture to achieve high speed data transfer
rates and is designed to operate at 3.3V low power
memory system. It also provides auto refresh with
power saving / down mode. All inputs and outputs
voltage levels are compatible with LVTTL.
Available packages: TFBGA-90B(13mmx8mm).
Ordering Information
Part No
Organization
Max. Freq
Package
Grade
Pb
EM488M3244VBB-75F
8M X 32
133MHz @CL3
TFBGA-90B
Commercial
Free
EM488M3244VBB-7F
8M X 32
143MHz @CL3
TFBGA-90B
Commercial
Free
EM488M3244VBB-75FE
8M X 32
133MHz @CL3
TFBGA-90B
Extend temp. Free
EM488M3244VBB-7FE
8M X 32
143MHz @CL3
TFBGA-90B
Extend temp. Free
* EOREX reserves the right to change products or specification without notice.


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