ST75185CDR STMicroelectronics, ST75185CDR Datasheet
ST75185CDR
Specifications of ST75185CDR
Available stocks
Related parts for ST75185CDR
ST75185CDR Summary of contents
Page 1
... For inter-operability at signalling rates to Table 1. Device summary Order codes Temperature range ST75185CTR °C ST75185CDR °C April 2009 Multiple RS-232 drivers and receivers SO-20 120 k-bits/s, use of EIA/ITA-423-B (ITU v.10) and EIA/ITA-422-B (ITU v.11) standards are recommended. ...
Page 2
Contents 1 Pin configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
Page 3
Pin configuration Figure 1. Pin connection IEC logic symbol and logic diagram Table 2. Pin description Pin n° Symbol ...
Page 4
Maximum ratings Table 3. Absolute maximum ratings over operating free-air temperature range Symbol (1) V Supply voltage DD (1) V Supply voltage SS (1) V Supply voltage CC V Input voltage range (Driver Input voltage range (Receiver) ...
Page 5
Table 6. Recommended operating conditions Symbol V Supply voltage DD V Supply voltage SS V Supply voltage CC V Driver input voltage I I High level output current OH I Low level output current OL T Operating free-air temperature range ...
Page 6
Electrical characteristics Table 7. Supply currents Symbol Parameter I Supply current from Supply current from Supply current from 6/22 Test conditions V V Min ...
Page 7
Table 8. Driver electrical characteristics over operating free-air temperature range Symbol Parameter V High level output voltage OH Low level output voltage V OL (Note 3) I High level ...
Page 8
Table 10. Receiver electrical characteristics over operating conditions Symbol Parameter V Positive going threshold voltage T+ V Negative going threshold voltage T- V Input hysteresis ( hys T V High level output voltage OH V Low level ...
Page 9
Typical application Figure 2. Application circuits Figure 3. Driver test circuit for and I OH SO(H) SO(L) Doc ID 6228 Rev 18 9/22 ...
Page 10
Figure 4. Driver test circuit for I Figure 5. Driver test circuit Figure 6. Driver voltage waveforms 10/22 and Doc ID 6228 Rev 18 ...
Page 11
Figure 7. Receiver test circuit for I Figure 8. Receiver test circuit for V Figure 9. Receiver test circuit Doc ID 6228 Rev 18 11/22 ...
Page 12
Figure 10. Receiver voltage waveforms Note: 1 The pulse generator has the following characteristics: t Ω < includes probe and jig capacitance. L 12/ ...
Page 13
Typical characteristics Figure 11. Driver voltage transfer characteristics Figure 13. Device supply current vs. temperature Figure 12. Driver short circuit output current vs. free-air temperature Figure 14. Driver output current vs. output voltage Doc ID 6228 Rev 18 13/22 ...
Page 14
Figure 15. Driver output slew rate vs. load capacitance Figure 17. Receiver threshold vs. supply voltage 14/22 Figure 16. Receiver threshold vs. temperature Doc ID 6228 Rev 18 ...
Page 15
Application information: diodes on power supply Diodes placed in series with the V condition in which the devices output are shorted to ±15 V and the power supplies are at low state and provide low-impedance path to ground (see ...
Page 16
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: www.st.com. ® ...
Page 17
SO-20 mechanical data mm. Dim. Min. Typ. A 2.35 A1 0.1 B 0.33 C 0.23 D 12.60 E 7.4 e 1.27 H 10.00 h 0.25 L 0.4 k 0° ddd Max. Min. 2.65 0.093 0.30 0.004 0.51 0.013 0.32 0.009 ...
Page 18
Dim. Min 0.05 A2 0.8 b 0.19 c 0.09 D 6.4 E 6 0° PIN 1 IDENTIFICATION 1 18/22 TSSOP20 mechanical data mm. Typ. Max. 1.2 0.15 1 ...
Page 19
Tape & reel SO-20 mechanical data mm. Dim. Min. Typ 12 10.8 Bo 13.2 Ko 3.1 Po 3.9 P 11.9 Max. Min. 330 13.2 0.504 0.795 2.362 30.4 11 0.425 13.4 0.520 ...
Page 20
Tape & reel TSSOP20 mechanical data Dim. Min 12 6.8 Bo 6.9 Ko 1.7 Po 3.9 P 11.9 20/22 mm. Typ. Max. Min. 330 13.2 0.504 0.795 2.362 22.4 7 0.268 7.1 ...
Page 21
Revision history Table 12. Document revision history Date Revision 28-Apr-2006 15 01-Jun-2006 16 19-Dec-2007 17 07-Apr-2009 18 Changes Order codes updated. Modified: Figure 2. Added: Table 5. Modified Table 5 on page 4. Doc ID 6228 Rev 18 21/22 ...
Page 22
... 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. ...