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Standard Package for Low and Mid Density Serial EEPROMs

Wed, 02/27/2002 - 9:34am
Microchip Technology announced its new generation of I2C™ serial EEPROMs in a tiny, 5-lead package. Designed in Microchip's advanced PMOS Electrically Erasable Cell (PEEC) process technology, these miniaturized versions of Microchip's 24LCXXB and 24AAXX series extend the company's 5-lead SOT-23 package offering with a wider range of densities from 128 bits through 16 kbits. This package offers designers an unprecedented level of flexibility when implementing serial EEPROMs in space-constrained applications, making the devices an ideal choice for a wide range of portable, handheld, computing and automotive designs.

With a low operating voltage down to 2.5 volts, active current of 1 milliamp and standby current of 1 microamp, the 24LCXXB devices are ideal for most applications. For battery-powered applications with even lower voltage requirements, the 24AAXX versions enable operation down to 1.8 volts.

This new generation of devices provides an upgrade path, as higher-density EEPROMs now fit into packages previously reserved for today's 128-bit or 1-kbit devices. As a point of reference, the 5-lead SOT-23 is approximately 8.26 mm2 including the leads, which is 72% smaller than the popular 8-lead SOIC package and 56% smaller than an 8-lead TSSOP package.

Applications targeted for these tiny devices include automotive, consumer appliances, remote controls, medical devices, portable/personal electronics, PC peripherals, hand-held and wearable PCs, telecommunications including all phones and pagers, security alarms and sensors.

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