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DESCRIPTION

The μPort Saver memories need no serial ports or special hardware and connect to the processor memory bus. Replacing bytewide data memory, the μPort Saver uses bytewide memory control functions, takes a fraction of the board space and consumes much less power. Replacing serial memories, the μPort Saver provides all the serial benefits, such as low cost, low power, low voltage, and small package size while releasing I/Os for more important uses.

FEATURES

? Up to 10MHz data transfer rate

? 25ns Read Access Time

? Direct Interface to Microprocessors and

Microcontrollers

—Eliminates I/O port requirements

—No interface glue logic required

—Eliminates need for parallel to serial converters

? Low Power CMOS

—1.8V–3.6V, 2.5V–5.5V and 5V ±10 Versions

—Standby Current Less than 1μA

—Active Current Less than 1mA

? Byte or Page Write Capable

—32-Byte Page Write Mode

? Typical Nonvolatile Write Cycle Time: 2ms

? High Reliability

—100,000 Endurance Cycles

—Guaranteed Data Retention: 100 Years