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EM48AM1684VBB fiches techniques PDF

Eorex - 256Mb Synchronous DRAM

Numéro de référence EM48AM1684VBB
Description 256Mb Synchronous DRAM
Fabricant Eorex 
Logo Eorex 





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EM48AM1684VBB fiche technique
eorex
EM48AM1684VBB
256Mb (4M×4Bank×16) Synchronous DRAM
Features
• Fully Synchronous to Positive Clock Edge
• Single 2.7V ~ 3.6V 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
• 8,192 Refresh Cycles / 64ms (7.8us)
Description
The EM48AM1684VBB is Synchronous Dynamic
Random Access Memory (SDRAM) organized as
4Meg words x 4 banks by 16 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 54B 12mm x 8mm.
Ordering Information
Part No
Organization Max. Freq
EM48AM1684VBB-75F
16M X 16 133MHz @CL3
EM48AM1684VBB-75FE 16M X 16 133MHz @CL3
Package
Grade Pb
TFBGA -54B Commercial Free
TFBGA -54B Extend temp. Free
* EOREX reserves the right to change products or specification without notice.
Jul. 2006
www.eorex.com
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