ST485ECDR STMicroelectronics, ST485ECDR Datasheet
ST485ECDR
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ST485ECDR Summary of contents
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... It operates from a single 5 V supply. Table 1. Device summary Temperature Order codes range ST485EBD - °C ST485ECDR °C ST485EBDR - °C ST485EXDR - 55 to 125 °C February 2009 ST485EC - ST485EX ±15 kV ESD protected, low power RS-485/RS-422 transceiver ...
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Contents 1 Pin configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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Pin configuration Figure 1. Pin connections (top view) Table 2. Pin description Pin n° Symbol GND Receiver output Receiver output enable Driver output enable ...
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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 Table 6. ESD performance: transmitter outputs, receiver inputs Symbol Parameter ESD ESD protection voltage ESD ESD protection voltage ± °C A Table 7. DC electrical ...
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Table 7. DC electrical characteristics (continued) Symbol Parameter Driver short-circuit current, I OSD1 V =High O Driver short-circuit current, I OSD2 V =Low O I Receiver short-circuit current V OSR 1. All currents into device pins are positive; all out ...
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V ± 5 °C A Table 9. Receiver switching characteristics Symbol Parameter t Propagation delay input to PLH t output PHL t Differential receiver skew SKD 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 9/18 ...
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Figure 6. Driver propagation delay Figure 7. Driver enable and disable time 10/18 ...
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Figure 8. Receiver propagation delay Figure 9. Receiver enable and disable time 11/18 ...
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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 12/18 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 13/18 ...
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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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SO-8 mechanical data mm. Dim. Min. Typ. A 1.35 A1 0.10 A2 1.10 B 0.33 C 0.19 D 4.80 E 3.80 e 1.27 H 5.80 h 0.25 L 0.40 k ddd inch. Max. Min. Typ. 1.75 0.053 0.25 0.04 1.65 ...
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Tape & reel SO-8 mechanical data Dim. Min 12 8.1 Bo 5.5 Ko 2.1 Po 3.9 P 7.9 16/18 mm. Typ. Max. Min. 330 13.2 0.504 0.795 2.362 22.4 8.5 0.319 5.9 ...
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Revision history Table 10. Document revision history Date Revision 21-Mar-2006 9 05-Jun-2006 10 29-Jan-2007 11 29-Aug-2007 12 07-Feb-2008 13 16-Feb-2009 14 Changes Order codes has been updated and new template. Change value row 10 on the features and R ...
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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. ...