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Alliance Memory Launches New 256Mb High-Speed CMOS SDRAMs in the 54-Pin TSOP II Package
By Globenewswire

SAN CARLOS, Calif. , Jan. 17, 2018 (GLOBE NEWSWIRE) -- Alliance Memory today extended its offering of 256Mb high-speed CMOS SDRAMs with new x8 and x4 devices in the 54-pin 400-mil plastic TSOP II package.

“Alliance Memory is the market’s SDRAM leader, offering the broadest product lineup of any vendor, with densities from 16Mb to 512Mb in a wide range of configurations and packages,” said TJ Mueller, Vice President of Marketing at Alliance Memory. “We are excited to add these new 256Mb devices to our portfolio, which complement our existing x16 and x32 parts.”

Internally configured as four banks of 32M x 8 bits and 64M x 4 bits, respectively, the AS4C32M8SA and AS4C64M4SA provide reliable drop-in, pin-for-pin-compatible replacements for a number of similar solutions used for image storage and video buffering in consumer and industrial products, and wearables. The SDRAMs offer a synchronous interface, operate from a single +3.3V (± 0.3V) power supply, and are lead (Pb)- and halogen-free. 

The devices released today feature fast access time from clock down to 5.4 ns and clock rates to 166 MHz, and they are available in commercial (0 °C to +70 °C) and industrial (-40 °C to +85 °C) operating temperature ranges. The SDRAMs offer 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:

Part numberConfigurationTemperatureMax. clock
AS4C32M8SA-7TCN32Mx8Commercial (0°C to +70°C)143 MHz
AS4C32M8SA-7TCNTR*32Mx8Commercial (0°C to +70°C)143 MHz
AS4C32M8SA-6TIN32Mx8Industrial (-40°C to +85°C)166 MHz
AS4C32M8SA-6TINTR*32Mx8Industrial (-40°C to +85°C)166 MHz
AS4C64M4SA-7TCN64Mx4Commercial (0°C to +70°C)143 MHz
AS4C64M4SA-7TCNTR*64Mx4Commercial (0°C to +70°C)143 MHz
AS4C64M4SA-6TIN64MX4Industrial (-40°C to +85°C)166 MHz
AS4C64M4SA-6TINTR*64MX4Industrial (-40°C to +85°C)166 MHz

*Tape and reel package

Links to product datasheets and ordering information:

https://www.alliancememory.com/datasheets/AS4C32M8SA/ (AS4C32M8SA-7TCN and AS4C32M8SA-6TIN)https://www.alliancememory.com/datasheets/AS4C64M4SA/ (AS4C64M4SA-7TCN and AS4C64M4SA-6TIN)

Samples and production quantities of the new SDRAMs are available now, with lead times of four to eight weeks for large orders.

About Alliance Memory Inc.


Alliance Memory is a worldwide provider of critical and hard-to-find DRAM and SRAM memory ICs for the communications, computing, consumer electronics, medical, automotive, and industrial markets. The company’s product range includes DRAMs and SRAMs with commercial, industrial, and automotive operating temperature ranges and densities from 64Kb to 8Gb. Privately held, Alliance Memory maintains headquarters in San Carlos, California, and regional offices in Europe, Asia, and South America. More information about Alliance Memory is available online at www.alliancememory.com.

Editor resources:

Link to product image:
https://www.flickr.com/photos/alliancememory/albums/72157690673842801

Link to detailed product info:

https://www.alliancememory.com/datasheets/AS4C32M8SA/ (AS4C32M8SA-7TCN and AS4C32M8SA-6TIN)
https://www.alliancememory.com/datasheets/AS4C64M4SA/ (AS4C64M4SA-7TCN and AS4C64M4SA-6TIN)

Agency Contact:
Bob Decker
Redpines
+1 415 409 0233
[email protected] 

Alliance Memory Contact:
TJ Mueller
VP of Marketing
+1 650 610 6802
[email protected] 

 


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