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HSDL-3201 Datasheet(PDF) 3 Page - Lite-On Technology Corporation |
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HSDL-3201 Datasheet(HTML) 3 Page - Lite-On Technology Corporation |
3 / 20 page ![]() 3 Recommended Application Circuit Components Component Recommended Value Note C1 1.0 µF1 Absolute Maximum Ratings For implementations where case to ambient thermal resistance is ≤ 50°C/W. Parameter Symbol Min. Max. Units Storage Temperature TS -40 100 °C Operating Temperature TA -25 85 °C LED Supply Voltage VVLED -0.5 7 V Supply Voltage VCC -0.5 7 V Input Voltage: TXD, SD VI 0VCC + 0.5 V Output Voltage: RXD VO -0.5 VCC + 0.5 V Solder Reflow See Reflow Profile, page 19 Temperature Profile Transceiver I/O Truth Table The LED and RXD outputs are controlled by the combination of the TXD and SD pins and light falling on the receiver. As shown in the table below, the transmitter is non- inverting; the LED is on when the TXD pin is high and off when TXD is low. The receiver is inverting; the RXD pin is low during IrDA signal pulses and high when the receiver does not see any light. When shutdown (SD pin high), the LED is off (the state of the TXD pin does not matter), and the RXD pin is pulled high with a weak internal pullup. Shutdown Mode Notes When the HSDL-3201 is in Shutdown Mode (SD pin high), the part presents different impedances to the rest of the circuit than when it is in normal mode. RXD Pin: This pin is NOT Tri-state. Duringshutdowntheequivalentcircuit is a weak pullup (~300 kΩ) to VCC. The ESD protection diodes to VCC and Ground are also present. TXD Pin: Input protection diodes are present. VLED Pin: Possible leakage current of 1.5 nA. SD Pin:Will draw approximately 16 nA when driven high. Marking Information The unit is marked with the letter “A” and “YWWLL” on the shield for front options where Y is the last digit of the year,WWistheworkweek,andLListhe lot information. For top options, the part is marked as “YWW” where Y is the last digit of the year, and WW is the workweek. Ordering Information Specify the part number followed by an option number. HSDL-3201#XXX There are two options available: Front Options #021 Taped and 13” Reel Packaging, 2500 per reel Top Options #008 Taped and 13” Reel Packaging, 2500 per reel SD TXD LED Receiver RXD Notes High On Don’t care Not Valid 2, 3 Low Low Off IrDA Signal Low 4, 5 No Signal High High Don’t care Off Don’t care High 6 Caution: The BiCMOS inherent to this design of this component increases the component’s susceptibility to damage from electrostatic discharge (ESD). It is advised that normal static precautions be taken in handling and assembly of this component to prevent damage and/or degradation which may be induced by ESD. 6 6 6 6 |
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