MTC20138

www.DataSheet4U.com ST20138 Unicorn II PCI/USB ADSL CHIPSET: ST70138 + MTC20174 FOR ULTRA LOW COST ADSL MODEM DATA BRIEF 1 DESCRIPTION The Unicorn II chipset is designed to simplify the development of low-cost ADSL CPE modems for The ST70138 is supplied in two packages, Windows, Mac and Linux based environments and TQFP144 and LBGA80. The ST70138T packaged enables manufacturers to achieve a very competin TQ144 is a pin-to-pin compatible version of the itive production cost. Due to its controller-less arST70137 enabling manufacturers to benefit directchitecture and particularly the advantage that it ly from the cost and performance advantages that does not require an external SDRAM in its E-BOM, the ST70138 brings. the total cost of the external components needed The TQ144 flavor brings out both the USB and PCI in the modem is the best in its class. With a low interfaces. Supplied in a compact USB-only component count of less then 140 external compoLBGA80 package, the ST70138B brings additionnents and small form factor packages, the Unicorn al cost advantages to new designs. II easily fits on a standard 2 layer single sided PCB The MTC20174 Analog Front End (AFE) with intewith small dimensions which contributes signifigrated line driver is designed for DMT based cantly to further lowering overall system costs. ToADSL CPE modems compliant with ANSI T1.413 gether with its low power consumption, highissue 2, ITU G.992.1 (G.dmt) and ITU G.992.2 speed performance up to 8 Mbps a...