ST485CN STMicroelectronics, ST485CN Datasheet
ST485CN
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ST485CN
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ST485CN Summary of contents
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... The ST485 is designed for bi-directional data communications on multipoint bus transmission line (half-duplex applications). Table 1. Device summary Order code Temperature range ST485CN °C ST485BN - °C ST485CDR °C ST485BDR - °C February 2009 ...
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Contents 1 Pin configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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Pin configuration Figure 1. Pin connections Table 2. Pin description Pin n° Symbol RO Receiver output RE Receiver output enable DE Driver output enable DI Driver input GND Ground A Non-inverting ...
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Truth tables Table 3. Truth table (driver) Inputs Note Don’t care High impedance Table 4. Truth table (receiver) Inputs ...
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Maximum ratings Table 5. Absolute maximum ratings Symbol V Supply voltage CC V Control input voltage (RE, DE Driver input voltage (DI Driver output voltage ( Receiver input voltage ( ...
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Electrical characteristics ± °C A Table 6. DC electrical characteristics Symbol Parameter Differential driver output V OD1 (no load) Differential driver output V OD2 (with load) Change ...
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Table 6. DC electrical characteristics (continued) Symbol Parameter Driver short-circuit I OSD1 current, V =High O Driver short-circuit I OSD2 current, V =Low O Receiver short-circuit I OSR current 1. All currents into device pins are positive; all cuttents out ...
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V ± 5 °C A Table 8. Receiver switching characteristics Symbol Parameter t Propagation delay input PLH t to output PHL Differential receiver t SKD skew t Output enable time ...
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Test circuit and typical characteristics Figure 2. Driver DC test load Figure 4. Drive/receiver timing test circuit Figure 3. Receiver timing test load Figure 5. Driver timing test load 9/19 ...
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Figure 6. Driver propagation delay Figure 7. Driver enable and disable time 10/19 ...
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Figure 8. Receiver propagation delay Figure 9. Receiver enable and disable time 11/19 ...
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Figure 10. Receiver output current vs. output low voltage Figure 12. Driver output current vs. output low voltage Figure 14. Supply current vs. temperature 12/19 Figure 11. Receiver output current vs. output high voltage Figure 13. Driver output current vs. ...
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Figure 16. Receiver low level output voltage vs. temperature Figure 17. Differential driver output voltage vs. temperature 13/19 ...
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Package mechanical data In order to meet environmental requirements, ST offers these devices in different grades of ® ECOPACK packages, depending on their level of environmental compliance. ECOPACK specifications, grade definitions and product status are available at ...
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Plastic DIP-8 mechanical data mm. Dim. Min. Typ. A 3.3 a1 0.7 B 1.39 B1 0.91 b 0 8.8 e 2.54 e3 7. 3.3 Z 0.44 inch. Max. Min. Typ. 0.130 ...
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Dim. Min. A 1.35 A1 0.10 A2 1.10 B 0.33 C 0.19 D 4. 5.80 h 0.25 L 0.40 k ddd 16/19 SO-8 mechanical data mm. Typ. Max. 1.75 0.25 1.65 0.51 0.25 5.00 4.00 1.27 ...
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Tape & reel SO-8 mechanical data mm. Dim. Min. Typ 12 8.1 Bo 5.5 Ko 2.1 Po 3.9 P 7.9 inch. Max. Min. Typ. 330 13.2 0.504 0.795 2.362 22.4 8.5 0.319 ...
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Revision history Table 9. Document revision history Date Revision 21-Mar-2006 12 02-Aug-2006 13 08-Nov-2006 14 07-Feb-2008 15 16-Feb-2009 16 18/19 Changes Order codes has been updated and new template. Mistake in cover page first row mA ==> µA. Added: ...
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... Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. All ST products are sold pursuant to ST’s terms and conditions of sale. ...