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May
2011
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ALLIANCE MEMORY ENTERS SDRAM MARKET
New
High-Speed CMOS Synchronous DRAMs
Alliance Memory has just launched a new family of CMOS synchronous DRAMs (SDR) with densities
of 64 Mb (AS4C4M16S), 128 Mb (AS4C8M16S), and 256 Mb (AS4C16M16S).

The new SDRs are optimized for industrial, communications, medical, and
consumer products requiring high memory bandwidth, and are particularly
well-suited to high-performance PC applications. Internally configured as
four banks of 1M, 2M, or 4M word x 16 bits with a synchronous interface,
the SDRs operate from a single +3.3-V (± 0.3V) power supply, and are lead
(Pb)- and halogen-free.
Packaged in a 54-pin, 400-mil plastic TSOP II, the new SDRs offer a fast
access time from clock down to 4.5 ns at a 5-ns clock cycle, and clock
rates from 143 MHz to 200 MHz.
Our SDRs provide programmable read or write burst lengths of 1, 2, 4, 8, or
full page, with a burst termination option. An auto pre-charge function
provides a self-timed row pre-charge initiated at the end of the burst
sequence. Easy-to-use refresh functions include auto or self refresh, while
a programmable mode register allows the system to choose the most suitable
modes to maximize performance.
Device
Specification Table:
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Part
Number
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AS4C4M16S
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AS4C8M16S
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AS4C16M16S
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Density
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64
Mb
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128
Mb
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256
Mb
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Configuration
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4M x
16 bit
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8M x
16 bit
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16M
x 16 bit
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Clock
cycle (ns)
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6/7
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6/7
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5/6/7
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Max.
access time from clock (ns)
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5.4/5.4
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5/5.4
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4.5/5.4/5.4
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Clock
rate (MHz)
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166.143
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166/143
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200/166/143
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Samples and production quantities of the new SDRs are
available now, with lead times of six weeks for larger orders.
NEW
EUROPE AND ASIA OFFICES EXTEND ALLIANCE MEMORY'S WORLDWIDE PRESENCE
Alliance Memory is extending its worldwide presence with
the opening of offices in the United Kingdom and Taiwan.
Our U.K. office is being headed up by Sue Macedo, who has
been appointed
as sales director, Europe. In
her new role, Macedo will work closely with the sales team in supporting
Alliance Memory's European client base and promoting the company's SRAM and
synchronous DRAM products. In Taiwan, William Chen has joined the company
as our new director of sales responsible for supporting Alliance Memory's
distributors and promoting the company's SRAM and synchronous DRAM products
in Taiwan and China, a territory that will expand to all of Southeast Asia.
Macedo has more than 25 years of management expertise
within multi-million-dollar corporations and a wide range of business
organizations. She originally came to Alliance Memory in 2005 when the
company acquired the asynchronous SRAM business from Alliance
Semiconductor, where she held the position of sales and marketing director,
EMEA. Sue is based near London on the
south coast of the United
Kingdom, and reports to Dan Gilbert. You can reach her at sue@alliancememory.com.
Chen has worked in the semiconductor field since 1997,
holding key positions in distributor and product line management. He comes
to Alliance from Linpo – an Alliance Memory distributor located in Taiwan –
where he served as sales manager for worldwide distributors of the GTM
brand and product manager for Alliance Memory, among other manufacturers.
Previously, he has held sales management position at Cosmo Electronics
Corp., E-Tech Electronics, and Unisonic Technologies Co. Ltd. William
speaks fluent French, English, Mandarin, Hakka, and Taiwanese, in addition
to limited Cantonese, Korean, and Japanese. You can reach him at william@alliancememory.com.
FINAL
WORD: FROM THE PRESIDENT
For the past several
weeks the world has been watching with concern the after effects of the
Japan earthquake and tsunami. We would like to reassure our customers that
Alliance Memory expects no impact on our supply chain or business from the
situation in Japan, where none of our manufacturing and assembly operations
are located. While it is possible other suppliers may see a shortage of
legacy memory chips in the next few months, once their finished goods
inventory is depleted, Alliance Memory will not be affected.
—David Bagby, President and CEO
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"As other suppliers are exiting the DRAM market
to focus on new technologies, we remain committed to offering legacy
parts to their customers, eliminating the need for costly redesigns of
their end products. For these customers, it is imperative to have access
to cost-effective drop-in replacement memory that is pin-for-pin
compatible, and that is exactly what our new line of SDRs provides."
— Dan Gilbert, Vice President of Sales
SYNCHRONOUS SRAM FAMILY NOW AVAILABLE
Alliance Memory offers a complete line of ZBT/Sync Pipelined
burst (SPB)/Sync Burst (SB) SRAMs. These SRAMs are used with mainstream
digital signal processors (DSPs) and microcontrollers found mainly in the
digital consumer electronics, networking, mobile communications,
industrial, and automotive electronics marketplace. Click to see a complete list of
devices.
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