Microchip's latest Microwire serial EEPROMs are available in a 6-lead SOT-23 package and support densities from 1-4 Kb. Using Microchip's advanced PMOS electrically erasable cell (PEEC) process technology, the 93XX46A/B, 93XX56A/B and 93XX66A/B devices are said to be the world's smallest serial EEPROMs in a standard package. The 6-lead SOT-23 package has a surface area of only 8,26 mm2 - 72% smaller than the popular 8-lead narrow SOIC package and 56% smaller than the 8-lead TSSOP package, and a height of only 1,2 mm - 23% lower than the SOIC package. Microchip's dedicated 8-bit and 16-bit word Microwire devices made this package offering possible by eliminating the word organisation (ORG) pin function and providing full functionality using only six pins.
The 93LCXXA/B series supports operating voltages down to 2,5 V, active current of 1 mA and standby current of 1 µA. For battery-powered applications with even lower voltage requirements, the 93AAXXA/B versions can operate down to 1,8 V. If higher voltages are required with a higher reset power-down voltage, the 93CXXA/B devices are designed to operate in standard 5 V designs.
For more information contact Avnet Kopp, 011 809 6100 Memec SA, 021 674 4103 or Tempe Technologies, 011 452 0530.
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