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XR16L2750CM-F
XR16L2750 -High-Performance 2.25V - 5.5V DUART HomeNewsCareers Investor Relations Contact Us PartnerNet Login Search CommunicationsInterfacePower Management XR16L2750 Info Request How to Order Samples How to Buy Print this page High-Performance 2.25V - 5.5V DUART Specifications Features CH 2 CPUInterface Support Intel Data Rate@5/3.3/2.5V 6.2/4.0/3.0 @8X Tx/RxFIFO(Bytes) 64/64 Tx/RxFIFOCtrs Yes Tx/RxFIFOINT Trig Program/ Program AutoRTS/CTS Yes IrDaSup Yes 5VTolInputs Yes Sup V 2.25-5.5 Pkgs PLCC-44, TQFP-48 q q q q Design q q q Technical Documentation Technical FAQs q q Support data rates up to 6.125Mbps at 5.0V, 4 Mbps at 3.3V, and 3 Mbps at 2.5V Transmit and receive FIFO level counters Automatic Sleep mode Automatic Xon/Xoff software flow control Data rate up to 6.25 Mbps Infrared (IrDA 1.0) data encoder/decoder Programmable Tx and Rx FIFO trigger levels Automatic RTS/CTS Pb-Free, RoHS Compliant Versions Offered Applications Product Finder Product Tree q q Technical Support q q q Portable Appliances Factory Automation and Process control Cellular Data Devices Ethernet Network Routers Telecommunications Network Routers Packaging Evaluation Boards Cross References Product Change Notifications Obsolescence Interface Brochure IBIS Models BSDL ICI UART Finder Description The XR16L2750 UART (Universal Asynchronous Receiver Transmitter) is the industry's first dual-channel, 2.25V to 5.5V supply product with 5V tolerant inputs. The 2750 is pin and function compatible to Exar's ST16C2550 and pin alike to XR16C2850. Several device family features can enable more data byte transfer per interrupt service -- this can lower CPU bandwidth requirements. The programmable TX and RX FIFO interrupt trigger levels, and FIFO counters, further reduce the interrupt service period. Additionally, the automatic hardware (RTS/CTS) and software (Xon/Xoff) flow control (with auto RTS hysteresis) eliminates data loss and re-transmission, which can increase data throughput. Documents Datasheets Datasheet Version 1.2.1 April 2005 820.33 KB Application Notes DAN-164, Migrating from the ST16C2550 to the XR16L2750 Version 1.0.0 January 2005 131.46 KB DAN-130, EXAR's ST16C2550 vs. TL16C752B Version 1.0.0 June 2002 119.34 KB Data rates of up to 6.125Mbps at 5V, 4Mbps at 3.3V and 3Mbps at 2.5V are supported at 8x sampling clock rate. The device supports on-chip crystal oscillator or external clock inputs. The XR16L2750 is offered in a low profile 48-pin TQFP and 44-PLCC packages in commercial and industrial temperature grade. http://www.exar.com/Common/Content/ProductDetails.aspx?ID=XR16L2750 (1 of 2) [31-Jul-09 11:51:48 AM]
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