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DS16F95E/883 датащи(PDF) 4 Page - National Semiconductor (TI) |
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DS16F95E/883 датащи(HTML) 4 Page - National Semiconductor (TI) |
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4 / 14 page ![]() Receiver Electrical Characteristics (Continued) Over recommended supply voltage and operating temperature ranges, unless otherwise specified Symbol Parameter Conditions Min Typ Max Units I CC Supply Current No Load, DE = 2V, RE = 0.8V 28 mA (Total Package) All Inputs Open Outputs Enabled I CCX DE = 0.8V, RE = 2V Outputs Disabled 25 COMMERCIAL Receiver Switching Characteristics V CC = 5.0V, TA = 25˚C Symbol Parameter Conditions Min Typ Max Units t PLH Propagation Delay Time, V ID = 0V to +3.0V 14 19 24 ns Low-to-High Level Output C L =15pF, Figure 7 t PHL Propagation Delay Time, 14 19 24 ns High-to-Low Level Output t ZH Output Enable Time to High Level C L =15pF, Figure 8 10 16 ns t ZL Output Enable Time to Low Level 12 18 ns t HZ Output Disable Time from High Level C L = 5.0 pF, Figure 8 12 20 ns t LZ Output Disable Time from Low Level 12 18 ns |t PLH−tPHL| Pulse Width Distortion (SKEW) Figure 7 1.0 4.0 ns Note 2: “Absolute Maximum Ratings” are those values beyond which the safety of the device cannot be guaranteed. They are not meant to imply that the devices should be operated at these limits. The tables of “Electrical Characteristics” provide conditions for actual device operation. Note 3: Unless otherwise specified min/max limits apply across the −55˚C to +125˚C temperature range for the DS16F95 and across the 0˚C to +70˚C range for the DS36F95. All typicals are given for VCC = 5V and TA = 25˚C. Note 4: All currents into the device pins are positive; all currents out of the device pins are negative. All voltages are referenced to ground unless otherwise specified. Note 5: ∆|VOD| and ∆|VOC| are the changes in magnitude of VOD and VOC, respectively, that occur when the input is changed from a high level to a low level. Note 6: In TIA/EIA-422A and TIA/EIA-485 Standards, VOC, which is the average of the two output voltages with respect to ground, is called output offset voltage, VOS. Note 7: The algebraic convention, where the less positive (more negative) limit is designated minimum, is used in this data sheet for common mode input voltage and threshold voltage levels only. Note 8: Hysteresis is the difference between the positive-going input threshold voltage, VT+, and the negative-going input threshold voltage, VT−. Note 9: Refer to TIA/EIA-485 Standard for exact conditions. Note 10: Only one output at a time should be shorted. Order Number: DS16F95J, NS Package Number J08A DS36F95J, NS Package Number J08A DS36F95M, NS Package Number M08A www.national.com 4 |
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