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TFDU8108 Datasheet(PDF) 2 Page - Vishay Siliconix |
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TFDU8108 Datasheet(HTML) 2 Page - Vishay Siliconix |
2 / 27 page www.vishay.com 2 Document Number 82558 Rev. 1.6, 12-Aug-04 TFDU8108 Vishay Semiconductors Applications • Notebook Computers, Desktop PCs, Palmtop Computers (Win CE, Palm PC), PDAs • Printers, Fax Machines, Photocopiers, Screen Projectors • Telecommunication Products (Cellular Phones, Pagers) • Internet TV Boxes, Video Conferencing Systems • External Infrared Adapters (Dongles) • Medical and Industrial Data Collection Devices • Digital Still and Video Cameras • MP3 Players Parts Table Functional Block Diagram Pin Description Part Description Qty / Reel TFDU8108-TR3 Oriented in carrier tape for side view surface mounting 1000 pcs TFDU8108-TT3 Oriented in carrier tape for top view surface mounting 1000 pcs Comparator Amplifier AGC Logic Driver Current controlled driver VCC1 SCLK Txd GND Rxd IRED Anode IRED Cathode 200 Vlogic VCC2 17086 Ω Pin Number Function Description I/O Active 1 IRED Anode Connect IRED anode directly to VCC2. An unregulated separate power supply separated can be used at this pin. 2 IRED Cathode IRED cathode, internally connected to driver transistor 3 Txd Transmit Data Input, dynamically loaded I HIGH 4 Rxd Received Data Output, push-pull CMOS driver output capable of driving a standard CMOS or TTL load. No external pull-up or pull- down resistor is required. Pin is current limited for protection against programming errors. The output is loaded with a weak 500 k Ω pull- up when in SD mode OLOW 5 SCLK Serial Clock, dynamically loaded I HIGH |
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