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Eorex - 128Mb Synchronous DRAM

Numéro de référence EM488M1644VBA
Description 128Mb Synchronous DRAM
Fabricant Eorex 
Logo Eorex 





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EM488M1644VBA fiche technique
eorex
EM488M1644VBA
128Mb (2M×4Bank×16) Synchronous DRAM
Features
• Fully Synchronous to Positive Clock Edge
• Single 2.8V ~ 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
• 4,096 Refresh Cycles / 64ms (15.625us)
Description
The EM488M1644VBA is Synchronous Dynamic
Random Access Memory (SDRAM) organized as
2Meg words x 4 banks by 16 bits. All inputs and
outputs are synchronized with the positive edge of
the clock.
The 128Mb 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(8mmx8mm).
Ordering Information
Part No
Organization Max. Freq
EM488M1644VBA-75F
8M X 16
133MHz @CL3
Package
Grade Pb
TFBGA -54B Commercial Free
* EOREX reserves the right to change products or specification without notice.
Jul. 2006
www.eorex.com
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