ST485ER STMicroelectronics, ST485ER Datasheet
ST485ER
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ST485ER Summary of contents
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... The ST485E is designed for bi-directional data communications on multipoint bus transmission line (half-duplex applciations). Package DIP-8 50parts per tube / 40tube per box SO-8 (Tape & reel) Rev 5 ST485ER SO-8 Packaging 2500 parts per reel 1/19 www.st.com 19 ...
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... Contents Contents 1 Pin settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.1 Pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2 Truth tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 3 Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 4 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 4.1 DC Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 4.2 Driver switching characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 4.3 Receiver switching characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 5 Test circuit and typical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . 9 6 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 7 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 2/19 ST485ER ...
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... ST485ER 1 Pin settings Figure 1. Pin configuration 1.1 Pin description Table 1. Pin description Pin n° Symbol Name and function RO Receiver output RE Receiver output enable DE Driver output enable DI Driver input GND Ground Non-inverting receiver input and non-inverting driver A output B Inverting receiver input and inverting driver output ...
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... X X Note Don’t care High impedance Table 3. Truth table (receiver Note Don’t care High impedance 4/19 Inputs Inputs DE A-B L ≥ +0.2V ≤ L -0.2V L Inputs open L X ST485ER Outputs Outputs ...
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... ST485ER 3 Maximum ratings Table 4. Absolute maximum ratings Symbol V Supply voltage CC V Control input voltage (RE, DE Driver input voltage (DI Driver output voltage ( Receiver input voltage ( Receiver output voltage (RO) RO Note: Absolute maximum ratings are those values beyond which damage to the device may occur. ...
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... 0 12V CM Min. Typ. ±15 ±8 (1) Min. Typ. Figure 2. ) 1.5 Figure 2. ) Figure 2. ) Figure 2. ) Figure 200mV 3.5 = -200mV 24 ST485ER Max. Unit KV KV Max. Unit 0 0 0.8 V ± 2 µ -0 0.4 V ± 1 µA KΩ ...
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... ST485ER Table 6. DC Electrical characteristics Symbol I No load supply current CC Driver short-circuit current, I OSD1 V =High O Driver short-circuit current, I OSD2 V =Low O Receiver short-circuit I OSR current 1. All currents into device pins are positive; all cuttents out of device pins are negative; all voltages are referenced to device ground unless specified ...
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... Fig. 2 and C = 15pFS1 = Closed RL (See Fig. 2 and C = 15pFS2 = Closed RL (See Fig. 2 and (1) Min. Typ 100pF 130 and Figure 100pF Figure 8. and ) 20 Figure Figure Figure Figure 9. ) 2.5 ST485ER Max. Unit 210 Mbps ...
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... ST485ER 5 Test circuit and typical characteristics Figure 2. Driver DC test load Figure 4. Drive/receiver timing test circuit Test circuit and typical characteristics Figure 3. Receiver timing test load Figure 5. Driver timing test load 9/19 ...
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... Test circuit and typical characteristics Figure 6. Driver propagation delay Figure 7. Driver enable and disable time 10/19 ST485ER ...
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... ST485ER Figure 8. Receiver propagation delay Figure 9. Receiver Enable and Disable Time Test circuit and typical characteristics 11/19 ...
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... Test circuit and typical characteristics 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. output high voltage Figure 15. Receiver high level output voltage vs. temperature ST485ER ...
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... ST485ER Figure 16. Receiver low level output voltage vs. temperature Test circuit and typical characteristics Figure 17. Differential driver output voltage vs. temperature 13/19 ...
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... These packages have a Lead-free second level interconnect. The category of second level interconnect is marked on the package and on the inner box label, in compliance with JEDEC Standard JESD97. The maximum ratings related to soldering conditions are also marked on the inner box label. ECOPACK trademark. ECOPACK specifications are available at: 14/19 www.st.com ST485ER ...
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... ST485ER DIM. MIN 0.7 B 1. 0.44 Plastic DIP-8 MECHANICAL DATA mm. TYP MAX. 3.3 1.65 1.04 0.5 0.5 9.8 8.8 2.54 7.62 7.62 7.1 4.8 3.3 1.6 Package mechanical data inch MIN. TYP. MAX. 0.130 0.028 0.055 0.065 0.036 0.041 0.020 0.015 0.020 0.386 0.346 0.100 0.300 0.300 0.280 0.189 0.130 0.017 ...
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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 6.20 0.50 1.27 ˚ (max.) 8 0.1 inch MIN. TYP. MAX. 0.053 0.069 0.04 0.010 0.043 0.065 0.013 0.020 0.007 0.010 0.189 0.197 0.150 0.157 0.050 0.228 0.244 0.010 0.020 0.016 0.050 0016023/C ST485ER 0.04 ...
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... ST485ER DIM. MIN 12 8.1 Bo 5.5 Ko 2.1 Po 3.9 P 7.9 Tape & Reel SO-8 MECHANICAL DATA mm. TYP MAX. 330 13.2 22.4 8.5 5.9 2.3 4.1 8.1 Package mechanical data inch MIN. TYP. MAX. 12.992 0.504 0.519 0.795 2.362 0.882 0.319 0.335 0.216 0.232 0.082 0.090 0.153 0.161 0.311 0.319 17/19 ...
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... Revision history 7 Revision history Table 9. Revision history Date Revision 21-Mar-2006 3 01-Aug-2006 4 25-Oct-2006 5 18/19 Order codes has been updated and new template. Mistake in cover page description 300mA ==> 300µA. Order codes has been updated. Changes ST485ER ...
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... ST485ER 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. ...