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ATMEL SERIAL DEVICE BREAKS 2-WIRE BUS BARRIER

 SAN JOSE, Calif., March 8 /PRNewswire/ -- Atmel Corp. (NASDAQ: ATML) announced today that it has broadened its serial-interface EEPROM product family with the introduction of a serial device that increases the capacity of the two-wire bus by a factor of eight. With this announcement, Atmel becomes the industry's broadest supplier of serial-interface EEPROMs, offering 14 different 2-wire, 3-wire and 4-wire products, representing over 300 devices.
 This new device, at AT24C164, is a 16,384-bit serial-interface electrically erasable programmable read-only memory (EEPROM) that is organized 2,048 words by 8 bits. This device can be cascaded on a two-wire bus, allowing the use of from one to eight 16K memory devices or up to 128K of memory on a bus that previously was restricted to a total of 16K. The AT24C164, like all Atmel serial-interface devices, is available in 5.0-, 2.7, 2.5- and 1.8-volt versions.
 "The expanded-memory capacity that the AT24C164 offers will be important to both manufacturers and consumers," explained Scott Harmon, Atmel's director of marketing for EEPROM products. "From one design, manufacturers will now be able to offer several models at different price points, thus shortening product development cycles while decreasing engineering and manufacturing costs." Harmon added, "Consumers will benefit by having more user-programmable options and storage capacity than before."
 Compared to like serial devices currently on the market, the AT24C164 differs significantly in three major areas:
 -- Power Consumption: As delineated in the chart below, Atmel's AT24C164 product offers substantial reductions in power consumption. Power consumption is most critical in battery-powered applications in standby mode. Atmel's AT24C164 offers a 13X power savings.
 24C164 Power Consumption Comparison:
 Atmel Competitor Atmel Improvement
 Operating mode 5.0 V 15.0 mW 15.0 mW ---
 2.7 V 4.0 mW 8.1 mW 2x
 2.5 V 2.5 mW n/a ---
 1.8 V 1.4 mW n/a ---
 Standby mode 5.0 V 90.0(micro)W 750.0(micro)W 8x
 2.7 V 11.0(micro)W 140.0(micro)W 13x
 2.5 V 10.0(micro)W n/a ---
 1.8 V 5.0(micro)W n/a ---
 -- Write Control Capability: The write control feature is unique to the AT24C164. When engaged, the write control will inhibit the entire memory array from being overwritten. This protection feature is valuable to both the manufacturer and user. The manufacturer can prevent factory-programmed equipment from being accidentally altered and the consumer can prevent important data such as user-programmed telephone numbers from being overwritten.
 -- Write Cycle Time: The AT24C164 offers a write cycle time of ten milliseconds and is available as fast as one millisecond (typical) with special testing. This high-speed capability is important to manufacturers who program equipment in high volumes, as well as for disk drive manufacturers that by design require a fast write cycle time.
 The AT24C164 is priced in 1,000-piece quantities at $3.35 in an 8-pin PDIP (Plastic Dual In-line Package), and at $3.62 in an 8-pin SOIC (Small Outline Integrated Circuit) package. Production quantities are currently available.
 NOTE: Headquartered in San Jose with additional manufacturing facilities in Colorado Springs, Colo., Atmel designs, develops, manufactures and markets on a worldwide basis a board line of complex, integrated circuits. In addition to several families of nonvolatile programmable memories, the company manufactures programmable logic devices, application-specific devices and various mixed-signal circuits. Atmel is a public stock company whose shares are listed on the National Market System of NASDAQ under the symbol ATML.
 -0- 3/8/93 R
 /CONTACT: Scott Harmon, 408-436-4287, or Francesca Venezia- Escamilla, 408-436-4243, both of Atmel; or Ken Dennard of Morgen-Walke, 415-296-7383, for Atmel/
 (ATML)


CO: Atmel Corp. ST: California IN: CPR SU: PDT

SG-GT -- SF005R -- 4079 03/08/93 13:59 EST
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Date:Mar 8, 1993
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