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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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SP3508EB датащи(PDF) 2 Page - Exar Corporation |
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SP3508EB датащи(HTML) 2 Page - Exar Corporation |
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2 / 36 page  2 Exar Corporation 48720 Kato Road, Fremont CA, 94538 • (50)668-707 • www.exar.com SP3508_00_072208 ELECTRICAL SPECIFICATIONS T A = 0 to 70°C and VCC = 3.3V ± 5% unless otherwise noted. The ♦ denotes the specifications which apply over the full operating tempera- ture range (-40°C to +85°C), unless otherwise specified. V CC .................................................................................................+7V Input Voltages: Logic ................................................ -0.3V to (V CC+0.5V) Drivers.............................................. -0.3V to (V CC+0.5V) Receivers.............................................................±5.5V Output Voltages: Logic ................................................ -0.3V to (V CC+0.5V) Drivers.....................................................................±2V Receivers......................................... -0.3V to (V CC+0.5V) Storage Temperature..................................................-65 °C to +50°C Power Dissipation...................................................................520mW (derate 9.0mW/ °C above +70°C) Junction Temperature T J......................................................... +4°C Due to the relatively large package size of the 00-pin quad flat-pack, storage in a low humidity environment is preferred. Large high density plastic packages are moisture sensitive and should be stored in Dry Vapor Barrier Bags. Prior to usage, the parts should remain bagged and stored below 40°C and 60%RH. If the parts are removed from the bag, they should be Package Derating: ø JA ...................................................................36.9 °C/W ø JC .....................................................................6.5 °C/W These are stress ratings only and functional operation of the device at these ratings or any other above those indicated in the operation sections of the specifications below is not implied. Exposure to absolute maximum rating conditions for extended periods of time may affect reliability. ABSOLUTE MAXIMUM RATINGS used within 48 hours or stored in an environment at or below 20%RH. If the above conditions cannot be followed, the parts should be baked for four hours at 25°C in order to remove moisture prior to soldering. Exar ships the 00-pin LQFP in Dry Vapor Barrier Bags with a humidity indicator card and desiccant pack. The humidity indicator should be below 30%RH. STORAGE CONSIDERATIONS PARAMETER MIN. TYP. MAX. UNITS CONDITIONS LOGIC INPUTS V IL 0.8 ♦ V V IH 2.0 ♦ V LOGIC OUTPUTS V OL 0.4 ♦ V I OUT = -3.2mA V OH V CC - 0.6 V CC - 0.3 ♦ V I OUT = .0mA V.28 DRIVER DC Parameters (OUTPUTS) Open Circuit Voltage +/-0 ♦ V Per Figure Loaded Voltage +/-5.0 ♦ V Per Figure 2 Short-Circuit Current +/-00 ♦ mA Per Figure 4 Power-Off Impedance 300 ♦ Ω Per Figure 5 V.28 DRIVER AC Parameters (Outputs) V CC = 3.3V for AC parameters Transition Time .5 ♦ µs Per Figure 6, +3V to -3V Instantaneous Slew Rate 30 V/ µs Per Figure 3 Propagation Delay: t PHL 0.5 .0 3.0 ♦ µs Propagation Delay: t PLH 0.5 .0 3.0 ♦ µs Max. Transmission Rate 20 230 ♦ kbps |
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