AT&T Co has entered the semi-custom linear integrated circuit market with a broad line of high-performance, high-voltage arrays based on its proprietary double-level metal, complementary bipolar integrated circuit – CBIC – technology: AT&T’s initial offerings will include three members: the 4GHz ALA200, 90V ALA300/301 and 30V ALA400; a fourth array, the ALA500, set for later in the year, will combine analogue and digital functions on the same chip; the three arrays consist of vertical NPN and PNP transistors and capacitors, and diffused and more accurate ion-implanted resistors.
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