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ST70138B データシート(PDF) 1 Page - STMicroelectronics |
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ST70138B データシート(HTML) 1 Page - STMicroelectronics |
1 / 6 page 1/6 ST20138 Unicorn II September 2004 This is preliminary information on a new product foreseen to be developed. Details are subject to change without notice. 1 DESCRIPTION The Unicorn II chipset is designed to simplify the development of low-cost ADSL CPE modems for Windows, Mac and Linux based environments and enables manufacturers to achieve a very compet- itive production cost. Due to its controller-less ar- chitecture and particularly the advantage that it does not require an external SDRAM in its E-BOM, the total cost of the external components needed in the modem is the best in its class. With a low component count of less then 140 external compo- nents and small form factor packages, the Unicorn II easily fits on a standard 2 layer single sided PCB with small dimensions which contributes signifi- cantly to further lowering overall system costs. To- gether with its low power consumption, high- speed performance up to 8 Mbps and customiz- able complete software driver packages, the Uni- corn II is the ideal choice for USB and PCI based ADSL modems. The Unicorn II chipset consists of the digital ST70138 chip and the MTC20174 analog front end. The ST70138 is supplied in two packages, TQFP144 and LBGA80. The ST70138T packaged in TQ144 is a pin-to-pin compatible version of the ST70137 enabling manufacturers to benefit direct- ly from the cost and performance advantages that the ST70138 brings. The TQ144 flavor brings out both the USB and PCI interfaces. Supplied in a compact USB-only LBGA80 package, the ST70138B brings addition- al cost advantages to new designs. The MTC20174 Analog Front End (AFE) with inte- grated line driver is designed for DMT based ADSL CPE modems compliant with ANSI T1.413 issue 2, ITU G.992.1 (G.dmt) and ITU G.992.2 (G.lite), for Annex A, B and C. DATA BRIEF PCI/USB ADSL CHIPSET: ST70138 + MTC20174 FOR ULTRA LOW COST ADSL MODEM Figure 1. Chipset Architecture Overview ST70138 DMT/ATM MTC20174 AFE Line Interface Phone Line PC/Mac USB PCI EEPROM (0-16KB) Optional Rev. 1 |
同様の部品番号 - ST70138B |
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同様の説明 - ST70138B |
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