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Xicor Expands Programmable Dual Voltage Supervisor Family to Monitor System Voltages down to 0.9V.

Business Editors

MILPITAS, Calif.--(BUSINESS WIRE)--Aug. 1, 2002

Voltage Supervisors with 4K EEPROM Memory Ideal for Intelligent

System Management Functions for Major Microprocessor and Embedded

Controller Systems

Xicor(R), Inc. (Nasdaq: XICO), a leading supplier of programmable mixed-signal integrated circuits, today announced 8 new products, X40010, X40011, X40014, X40015, X40410, X40411, X40414 and X40415, expanding the family of advanced dual voltage supervisory products that integrate power-on-reset, watchdog timer and two low voltage sense monitors on a single device. The Dual Supervisor family includes additional feature options such as 1% accurate voltage monitors, two separate reset outputs and a fault detection register, that enables improved overall system reliability and performance. These products are ideal for advanced computing and communication applications, audio and video systems, industrial controls and portable instrumentation that typically operate on multiple supply voltages, including a processor core voltage as low as 1V.

"Xicor Dual Supervisors are ideal for microprocessor, embedded controller and DSP based systems," said Tony Ochoa, marketing manager of Standard Linear Products. "These dual low voltage supervisors provide continuous monitoring of the critical Core and I/O voltages using a single device with reduced overall component count and cost. The integration of embedded memory, fault detection and serial interface enables system architects to develop highly robust and reliable systems, which are a common requirement in Servers, Storage Area Networks and Wired and Wireless Communication platforms."

X40010, X40011, X40014, X40015, X40410, X40411, X40414 and X40415 -Dual Supervisors Technical Features:

The dual supervisors provide the user with the flexibility to select the low voltage reset trip points for the independent low voltage monitors contained in each device, which are independently programmable from 0.9 to 4.75 volts. With threshold voltages as low as 0.9V, these devices can monitor the latest high performance processor core voltages, which can be as low as 1V. These supervisors are ideal for systems that contain CPUs, DSPs, RISC processors and embedded controllers from Intel, AMD, TI, Motorola and other major suppliers. Besides monitoring the processor and controller supplies, these supervisors can monitor voltage references and sources for GTL+, SSTL-2V, SSTL-1V, DDR-SDRAM, Rambus and other bus termination voltages as low as 0.9V.

The dual supervisors feature user-programmable Power On Reset times of 50ms, 200ms, 400ms or 800ms. All products provide watchdog time-out selection intervals of 25ms, 200ms and 1.4 seconds. These functions provide system designers with the adequate flexibility to tailor device parameters to meet their exact system requirements. Each voltage monitor has an independent flag signal, and a fault detection register that reports the failure of either voltage or the occurrence of a watchdog time-out or manual reset. This fault monitoring can be very important for remote tracking system reliability and establishing more reliable and flexible reset recovery mechanisms.

The 4k EEPROM memory is integrated in the X40410, X40411, X40414, and X40415. These products include Xicor's Block Lock(TM) feature, which provides memory protection and security. All products communicate through the industry standard 400 KHz two-wire serial interface. The dual supervisors are available in 8-pin SOIC or 8-pin TSSOP.

Pricing and Availability

Device(1) Low Voltage WDT Memory Reset Pricing Available
 Monitor/Flag Outputs 1000 +

X40010 Dual Y 0K Active High $1.60 Now

X40011 Dual Y 0K Active Low $1.60 Now

X40014 Dual Y 0K Active High $1.70 Now

X40015 Dual Y 0K Active Low $1.70 Now

X40410 Dual Y 4K Active High $1.80 Now

X40411 Dual Y 4K Active Low $1.80 Now

X40414 Dual Y 4K Active High $1.90 Now

X40415 Dual Y 4K Active Low $1.90 Now

(1) SOIC packages shown. Products listed are also available in TSSOP
 and commercial or industrial temperature range.

About Xicor

Xicor designs, develops and markets a wide variety of programmable mixed-signal integrated circuits and nonvolatile memory products used in networking, computing, communication and industrial applications. The Company's products include digitally controlled potentiometers and system management ICs that allow system designers to digitally control analog functions in signal processing, microprocessor monitoring and power management.

Xicor product, corporate and financial information is readily available on the World Wide Web at

Safe Harbor Statement

Except for historical information contained herein, the matters set forth in this press release are forward looking statements that are subject to risks and uncertainties that could cause actual results to differ materially. These risks may include the impact of competing products and pricing, timely design acceptance by our customers, timely ability to ramp new products into volume production, industry wide shifts in supply and demand for semiconductor products, and other risks detailed from time to time in Xicor's SEC filings.

"Xicor" is a registered trademark and "XDCP" is a trademark belonging to Xicor Inc. All other trademarks are the properties of their respective owners.
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Comment:Xicor Expands Programmable Dual Voltage Supervisor Family to Monitor System Voltages down to 0.9V.
Publication:Business Wire
Geographic Code:1USA
Date:Aug 1, 2002
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