DS36C279M National Semiconductor, DS36C279M Datasheet
DS36C279M
Specifications of DS36C279M
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DS36C279M Summary of contents
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... Receive open input fail-safe (Note 1) unit load (DS36C279): ≥ 128 nodes 1 ⁄ unit load (DS36C279T): ≥ 64 nodes 1 ⁄ † n ESD (Human Body Model): ≥ Drop-in replacement for: — LTC485 MAX485 DS75176 DS3695 01205301 Order Number DS36C279M, DS36C279TM See NS Package Number M08A DE DI DO/ RI-RI* ≥ ...
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... Absolute Maximum Ratings If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Supply Voltage ( Input Voltage (DE, RE*, & DI) Common Mode ( Driver Output/Receiver Input Input Voltage (DO/RI, DO*/RI*) Recommended Operating Conditions Min Supply Voltage ( ...
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Electrical Characteristics Over Supply Voltage and Operating Temperature ranges, unless otherwise specified Symbol Parameter RECEIVER CHARACTERISTICS I Input Balance Test B V High Level Output Voltage OH V Low Level Output Voltage OL I Short Circuit Current OSR I TRI-STATE ...
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Switching Characteristics Over Supply Voltage and Operating Temperature ranges, unless otherwise specified Symbol Parameter RECEIVER CHARACTERISTICS t Output Disable Time PLZ t PHZ t Output Enable Time PZL t PZH t Receiver Enable from Sleep PSH Mode to Output High ...
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Parameter Measurement Information FIGURE 5. Driver Differential Propagation Delay Test Circuit FIGURE 6. Driver Differential Propagation Delays and Differential Rise and Fall Times FIGURE 7. TRI-STATE and Sleep Mode Test Circuit ( PZH PSH PHZ ...
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Parameter Measurement Information (Continued) FIGURE 9. TRI-STATE and Sleep Mode Test Circuit ( PZL PSL PLZ FIGURE 10. TRI-STATE and Sleep Mode Waveforms ( PZL PSL PLZ www.national.com 01205309 ) FIGURE 12. ...
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Parameter Measurement Information FIGURE 13. Receiver Differential Propagation Delay Waveforms FIGURE 14. Receiver TRI-STATE and Sleep Mode Test Circuit FIGURE 15. Receiver Enable and Disable Waveforms (t FIGURE 16. Receiver Enable and Disable Waveforms (t (Continued) 01205313 01205314 01205315 , ...
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Parameter Measurement Information Typical Application Information Pin No. Name Receiver Output: When RE (Receiver Enable) is LOW, the receiver is enabled (ON), if DO/RI ≥ DO*/RI* by 200 mV, RO will be HIGH. If DO/RI ≤ DO*/RI* by ...
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Unit Load A unit load for an RS-485 receiver is defined by the input current versus the input voltage curve. The gray shaded region is the defined operating range from −7V to +12V. The top border extending from −3V at ...
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... Deutsch Tel: +49 (0) 69 9508 6208 English www.national.com Français Tel: +33 ( 8790 Order Number DS36C279M or DS36C279TM NS Package Number M08A 2. A critical component is any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system affect its safety or effectiveness ...