IDT Begins Volume Shipments of 0.18-Micron Products

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	News Monday October 18, 1999 Company Press Release IDT Introduces Industry's Fastest 36-Bit Dual-Port Synchronous Dual-Ports are 33 Percent Faster Than Any Other 36-bit Offering Press Contacts:   Lisa Neitzel Tsantes & Associates Phone: (408) 369-1500 x23 email: lisa@tsantes.com Diana Pailthorpe IDT Corporate Communications Phone: (408) 492-8210 email: diana.pailthorp@idt.com Santa Clara, Calif., October 18, 1999 – IDT, Inc. (Nasdaq: IDTI), the world’s leading supplier of multi-ported memory products, today announced that it has increased the speed of its 3.3-volt synchronous dual-port SRAM devices to 133 MHz, creating the industry’s fastest 36-bit dual-port SRAM family. In addition, the enhanced devices include selectable 3.3-volt or 2.5-volt I/Os on each port, providing unequaled flexibility for designers developing mixed-voltage systems. Because these dual-ports provide a direct interface between mixed-voltage components, designers can easily combine leading-edge 2.5-volt devices, such as DSPs and network processors, with 3.3-volt technology.               "We designed these dual-port memories to support the emerging class of embedded microprocessors, DSPs and network processors that are moving to 2.5-volt operation," said Carl May, multiport memory product marketing manager for IDT. "Additionally, the simultaneous access of data from two ports, combined with the 36-bit-wide bus and 133-MHz operation, allows system designers to achieve 9.6 Gbps bandwidth (defined as width x speed x two ports), making these dual-ports ideal for data-intensive applications such as ATM and Ethernet switches and routers." Dual-Port Highlights               IDT’s synchronous dual-port family includes a 3.3-volt core with selectable 3.3-volt or 2.5-volt I/Os which provides designers with the flexibility needed to combine legacy components with 2.5-volt system components such as DSPs or microprocessors. The dual-ports feature a synchronous interface, with independent clocks on each port that are able to run at different frequencies. The devices employ separate per-port full-boundary counters that simplify burst operations by eliminating the external logic used to generate addresses on each rising clock edge. The devices also provide a dual chip-enable feature that simplifies the connection of two dual-port memories for depth expansion without external logic. Separate byte controls allow the dual-ports to facilitate bus-matching on both ports allowing configurations of x9, x18, x27 or x36 widths. These devices are compatible with IDT’s existing 100 MHz, 36-bit synchronous dual-port SRAMs.               Dual-port memories provide higher bandwidth than all other types of memory solutions, including multiplexed SRAM. The memories double bandwidth by allowing simultaneous access to a common memory array through two ports. In multi-processor applications, the result from one processor is loaded into memory, while an earlier result is accessed by another processor. This ability to accommodate two independent random operations makes the chips useful as buffers in networking applications where an incoming stream of data is stored, while at the same time a previously stored block of data is processed. Pricing and Availability               The 3.3-volt, 133MHz, synchronous dual-port SRAMs are available in PQFP, TQFP and fine-pitch BGA packages. Price ranges from $39.95 to $49.95 each in 10,000-piece quantities as illustrated in the table below. Part Number Config. Speed (tCD2/ Frequency) Pin/ Package Prod-uction Avail-able Price/ Qty at 10kU IDT70V3579 32Kx36 4.2 ns/133 MHz 208-pin PQFP, fpBGA Now $49.95 IDT70V3569 16Kx36 4.2 ns/133 MHz 208-pin PQFP, fpBGA Now $39.95 IDT70V3389 64Kx18 4.2 ns/133 MHz 128-pin TQFP, fpBGA Now $49.95 IDT70V3379 32Kx18 4.2 ns/133 MHz 128-pin TQFP, fpBGA Now $39.95 IDT’s Multiport Commitment             With more than 85 types of multi-port memory devices, IDT continually introduces leading-edge products that significantly enhance performance and reduce system complexity. As the market leader in the areas of synchronous dual-ports, FourPorts™ and other multi-port solutions for the communications market, IDT sets the standard in both performance and functionality while reducing component cost and overall system costs. IDT’s Communications Memory Leadership             IDT is the world leader in communications memories — as defined by the company’s market share and technology leadership. IDT's communications memory solutions leverage the company’s in-depth systems understanding, architectural innovations, high-speed memory design techniques and advanced process technology. IDT built its leadership position by addressing system requirements, thereby simplifying the task of communications system designers, with the introduction of unique FIFO, dual-port SRAM, and ZBT and QDR SRAM architectures. About IDT             IDT enables a digitally connected world by providing innovative semiconductor solutions to leading-edge system designers in communications and computing. IDT’s broad product mix consists of communications memories, networking devices, RISC microprocessors, high-speed SRAMs, high-performance logic and clock management products. Headquartered in Santa Clara, Calif., the Company employs approximately 4,700 people worldwide and has manufacturing facilities in California, Oregon, the Philippines, Malaysia and Australia. IDT stock is traded on the Nasdaq stock market under the symbol "IDTI." Additional information about IDT is easily accessible through the Web (www.idt.com), CD-ROM by calling 800/345-7015 or via fax-on-demand at 800/9-IDT-FAX. The investor hotline is 408/654-6420. ### FourPorts is a trademark of IDT.

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