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High-Speed CMOS SDRAMs come in TFBGA, TSOP II package options.

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High-Speed CMOS SDRAMs come in TFBGA, TSOP II package options.
High-Speed CMOS SDRAMs come in TFBGA, TSOP II package options.
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March 31, 2014 - High-speed CMOS synchronous DRAMs (SDRAMs) — 2M x 32 AS4C2M32S-6TIN/-6BIN, 4M x 32 AS4C4M32S-6TIN/-6BIN, and 8M x 32 AS4C8M32S-7BCN — are x32 devices that come in 90-ball, 8 x 13 x 1.2 mm TFBGA and 86-pin, 400 mil plastic TSOP II packages. Products offer access time from clock down to 5.4 nsec as well as programmable read or write burst lengths of 1, 2, 4, 8, or full page with burst termination option. Auto pre-charge and auto- or self-refresh functions are included.

Alliance Memory Launches New x32 High-Speed CMOS SDRAMs in 90-Ball TFBGA and 86-Pin TSOP II Packages


Alliance Memory, Inc.
551 Taylor Way, Suite #1
San Carlos, CA, 94070
USA



Press release date: March 24, 2014

SAN CARLOS, Calif. — Alliance Memory today extended its offering of 64M, 128M, and 256M high-speed CMOS synchronous DRAMs (SDRAM) with new x32 devices in the 90-ball 8-mm by 13-mm by 1.2-mm TFBGA, and 86-pin 400-mil plastic TSOP II packages.

The 2M x 32 AS4C2M32S-6TIN and AS4C2M32S-6BIN; 4M x 32 AS4C4M32S-6TIN and AS4C4M32S-6BIN; and 8M x 32 AS4C8M32S-7BCN provide reliable drop-in, pin-for-pin-compatible replacements for a number of similar solutions in industrial, commercial, medical, telecom, and networking products requiring high memory bandwidth. For these applications, the devices feature fast access time from clock down to 5.4 ns.

The devices 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.

The AS4C2M32S-6TIN, AS4C2M32S-6BIN, AS4C4M32S-6TIN, AS4C4M32S-6BIN, and AS4C8M32S-7BCN are the latest in Alliance Memory's full line of high-speed SDRAMs, which includes devices with densities of 16 Mb, 64 Mb, 128 Mb, 256 Mb, and 512 Mb in the 50-pin TSOP II, 54-pin TSOP II, 54-ball TFBGA, 86-pin TSOP II, and 90-ball TFBGA packages. The AS4C2M32S-6BIN and AS4C4M32S-6BIN are also available in commercial temperature versions, the AS4C2M32S-7BCN and AS4C4M32S-7BCN.

Device Specification Table (new products highlighted):
Part number Configuration Clock rate Package Temp. range
AS4C2M32S-5TCN 2M x 32 bit 200 MHz 86-pin TSOP II 0 C to +70 C
AS4C2M32S-6TCN 2M x 32 bit 166 MHz 86-pin TSOP II 0 C to +70 C
AS4C2M32S-6TIN 2M x 32 bit 166 MHz 86-pin TSOP II 0 C to +70 C
AS4C2M32S-6BIN 2M x 32 bit 166 MHz 90-ball TFBGA -40 C to +85 C
AS4C2M32S-7TCN 2M x 32 bit 143 MHz 86-pin TSOP II 0 C to +70 C
AS4C2M32S-7BCN 2M x 32 bit 143 MHz 90-ball TFBGA 0 C to +70 C
AS4C4M32S-6TCN 4M x 32 bit 166 MHz 86-pin TSOP II 0 C to +70 C
AS4C4M32S-6TIN 4M x 32 bit 166 MHz 86-pin TSOP II -40 C to +85 C
AS4C4M32S-6BIN 4M x 32 bit 166 MHz 90-ball TFBGA -40 C to +85 C
AS4C4M32S-7TCN 4M x 32 bit 143 MHz 86-pin TSOP II 0 C to +70 C
AS4C4M32S-7BCN 4M x 32 bit 143 MHz 90-ball TFBGA 0 C to +70 C
AS4C8M32S-6BIN 8M x 32 bit 166 MHz 90-ball TFBGA -40 C to +85 C
AS4C8M32S-7BCN 8M x 32 bit 143 MHz 90-ball TFBGA 0 C to +70 C

Samples and production quantities of the new SDRAMs are available now, with lead times of six to eight weeks for large orders. Pricing for U.S. delivery starts at $1.50 per piece.

About Alliance Memory Inc.
Alliance Memory Inc. is a worldwide provider of legacy memory products for the communications, computing, industrial, and consumer markets. The company supports a full range of asynchronous and synchronous SRAMs, low-power SRAMs, ZMD low-power SRAMs, synchronous DRAMs (SDR) and double data rate synchronous DRAMs (DDR SDRAM). Alliance Memory is a privately held company with headquarters in San Carlos, Calif., and regional offices in Germany, France, the United Kingdom, Italy, Sweden, and South East Asia. More information about Alliance Memory is available online at www.alliancememory.com.
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