ST202B ST202C 5V Powered multi-channel RS-232 drivers and receivers Features ■ Supply voltage range: 4.5 to 5.5V ■ Supply current no load (Typ): 1.5mA ■ Transmitter output voltage swing (Typ): ± 9V ■ Transition slew rate (Typ.): 12V/ms ■ Receiver propagation delay (Typ.): 0.1ms ■ Compatible with MAX202 ■ Receiver input voltage range: ± 30V ■ Data rate (Typ.): 400kbp/s ■ Operating temperature range: -40 to 85°C, 0 to 70°C DIP SOP SOP Large TSSOP Description The ST202 is a 2 driver, 2 receiver device following EIA/TIA-232 and V.28 communication standard. It is particularly suitable for applications where ± 12V is not available. The ST202 uses a single 5V power supply and only four external capacitors (0.1µF). Typical application are in: Portable Computers, Low Power Modems, Interfaces Translation, Battery Powered RS-232 Networks. Table 1. Device summary Order codes Temperature range Package Packaging ST202CN 0 to 70 °C DIP-16 25parts per tube / 40tube per box ST202BN -40 to 85 °C DIP-16 25parts per tube / 40tube per box ST202CD 0 to 70 °C SO-16 (Tube) 50parts per tube / 20tube per box ST202BD -40 to 85 °C SO-16 (Tube) 50parts per tube / 20tube per box ST202CDR 0 to 70 °C SO-16 (Tape & Reel) 2500 parts per reel ST202BDR -40 to 85 °C SO-16 (Tape & Reel) 2500 parts per reel ST202CW 0 to 70 °C SO-16 Large (Tube) 49parts per tube / 25tube per box ST202CWR 0 to 70 °C SO-16 Large (Tape & Reel) 1000 parts per reel ST202CTR 0 to 70 °C TSSOP16 (Tape & Reel) 2500 parts per reel ST202BTR -40 to 85 °C TSSOP16 (Tape & Reel) 2500 parts per reel July 2007 Rev. 6 1/18 www.st.com 18 ST202B - ST202C Contents 1 Pin configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2 Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 3 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 4 Typical application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 5 Typical performance characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 6 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 7 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 2/18 ST202B - ST202C Pin configuration 1 Pin configuration Figure 1. Pin connections (top view) Table 2. Pin description Pin N° Symbol Note 1 C1+ Positive terminal for the first charge pump capacitor 2 V+ Doubled voltage terminal 3 C1- Negative terminal for the first charge pump capacitor 4 C2+ Positive terminal for the second charge pump capacitor 5 C2- Negative terminal for the second charge pump capacitor 6 V- Inverted voltage terminal 7 T2OUT 8 R2IN 9 R2OUT Second receiver output voltage 10 T2IN Second transmitter input voltage 11 T1IN First transmitter input voltage 12 R1OUT First receiver output voltage 13 R1IN 14 T1OUT 15 GND Ground 16 VCC Supply voltage Second transmitter output voltage Second receiver input voltage First receiver input voltage First transmitter output voltage 3/18 Maximum ratings ST202B - ST202C 2 Maximum ratings Table 3. Absolute maximum ratings Symbol Parameter Value Unit -0.3 to 6 V VCC Supply voltage V+ Extra positive voltage (VCC -0.3) to 13.2 V V- Extra negative voltage 0.3 to -13.2 V TIN Transmitter input voltage range -0.3 to (VCC + 0.3) V RIN Receiver input voltage range ± 30 V TOUT Transmitter output voltage range ± 15 V ROUT Receiver output voltage range -0.3 to (VCC + 0.3) V TSCTOUT Short circuit duration on TOUT infinite Note: 4/18 Absolute maximum ratings are those values beyond which damage to the device may occur. Functional operation under these condition is not implied. ST202B - ST202C Electrical characteristics 3 Electrical characteristics Table 4. Electrical characteristics (C1 - C4 = 0.1µF, VCC = 5V ± 10%, TA = -40 to 85°C, unless otherwise specified. Typical values are referred to TA = 25°C). Symbol ISUPPLY Table 5. Parameter Test condition VCC Power supply current Min. No Load Typ. Max. Unit 1.5 4 mA Transmitter electrical characteristics (C1 - C4 = 0.1µF, VCC = 5V ± 10%, TA = -40 to 85°C, unless otherwise specified. Typical values are referred to TA = 25°C). Symbol Parameter Test condition VTOUT Output voltage swing All transmitter outputs are loaded with 3KΩ to GND ITIL Logic pull-up current TIN = 0V VTIL Input logic threshold low VTIH Input logic threshold high SRT Transition slew rate TA = 25°C, VCC = 5V RL = 3 to 7KΩ, CL = 50 to 2500pF (1) DR Data rate Min. Typ. ±5 ±9 5 0.8 Max. Unit V 40 1.4 μA V 1.4 2 V 6 12 30 V/μs (2) 200 400 Transmitter output resistance VCC = V+ = V- = 0V VOUT = ± 2V 300 ISC Transmitter output short circuit current One TXOUT to GND ±7 tDT Propagation delay time TTL-CMOS IN to RS-232 OUT CL = 150pF (50% to 50%) RTOUT Kbits/s Ω ± 22 1.3 mA 3.5 μs 1. Measured from 3V to -3V or from -3V to 3V 2. One transmitter output is loaded with RL = 3KΩ to 7KΩ, CL = 50 to 1000pF 5/18 Electrical characteristics Table 6. Symbol ST202B - ST202C Receiver electrical characteristics (C1 - C4 = 0.1µF, VCC = 5V ± 10%, TA = -40 to 85°C, unless otherwise specified. Typical values are referred to TA = 25°C). Parameter VRIN Receiver input voltage operating range RRIN RS-232 Input resistance VRIL RS-232 Input threshold low VRIH RS-232 Input threshold high Test condition TA = 25°C VCC = 5V VROL TTL/CMOS Output voltage low IOUT = 3.2mA (to VCC) VROH TTL/CMOS Output voltage high IOUT = 1mA (to GND) ISCR Receiver output short circuit current tDR Propagation delay time CL = 150pF (1) 1. RS-232 in to TTL-CMOS out (from 50% to 50%) 6/18 Typ. -30 RS-232 Input hysteresis VRIHYS Min. 3 5 0.8 1.3 0.2 Max. Unit 30 V 7 KΩ V 1.8 2.4 V 0.5 1 V 0.2 0.4 V 3.5 VCC-0.2 to GND 2 10 to VCC 10 30 V mA 0.1 0.5 μs ST202B - ST202C Typical application 4 Typical application Figure 2. Application circuit (1) (2) 1. C1-4 capacitors can even be 1µF ones 2. C1-4 can be common or biased capacitors Table 7. Capacitance value (µF) C1 C2 C3 C4 C5 0.1 0.1 0.1 0.1 0.1 7/18 Typical performance characteristics ST202B - ST202C 5 Typical performance characteristics Figure 3. (Unless otherwise specified TJ = 25°C) Driver voltage transfer Figure 4. characteristics Drive short circuit output current vs temperature Figure 5. Receiver threshold vs supply voltage Figure 6. Driver output capability current vs output voltage Figure 7. Driver short circuit supply current vs. temperature Figure 8. Receiver threshold vs temperature 8/18 ST202B - ST202C 6 Package mechanical data Package mechanical data In order to meet environmental requirements, ST offers these devices in ECOPACK® packages. 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 is an ST trademark. ECOPACK specifications are available at: www.st.com. 9/18 Package mechanical data ST202B - ST202C Plastic DIP-16 (0.25) MECHANICAL DATA mm. inch DIM. MIN. a1 0.51 B 0.77 TYP MAX. MIN. TYP. MAX. 0.020 1.65 0.030 0.065 b 0.5 0.020 b1 0.25 0.010 D 20 0.787 E 8.5 0.335 e 2.54 0.100 e3 17.78 0.700 F 7.1 0.280 I 5.1 0.201 L Z 3.3 0.130 1.27 0.050 P001C 10/18 ST202B - ST202C Package mechanical data SO-16 MECHANICAL DATA DIM. mm. MIN. TYP A a1 inch MAX. MIN. TYP. 1.75 0.1 0.068 0.25 a2 MAX. 0.004 0.010 1.64 0.063 b 0.35 0.46 0.013 0.018 b1 0.19 0.25 0.007 0.010 C 0.5 0.019 c1 45° (typ.) D 9.8 10 0.385 0.393 E 5.8 6.2 0.228 0.244 e 1.27 0.050 e3 8.89 0.350 F 3.8 4.0 0.149 0.157 G 4.6 5.3 0.181 0.208 L 0.5 1.27 0.019 0.050 M S 0.62 0.024 8° (max.) 0016020D 11/18 Package mechanical data ST202B - ST202C SO-16L MECHANICAL DATA DIM. mm. MIN. TYP A a1 inch MAX. MIN. TYP. 2.65 0.1 0.104 0.2 a2 MAX. 0.004 0.008 2.45 0.096 b 0.35 0.49 0.014 0.019 b1 0.23 0.32 0.009 0.012 C 0.5 0.020 c1 45˚ (typ.) D 10.1 10.5 0.397 0.413 E 10.0 10.65 0.393 0.419 e 1.27 0.050 e3 8.89 0.350 F 7.4 7.6 0.291 0.300 0.5 1.27 0.020 0.050 G L M S 0.75 8 0.029 ˚ (max.) PO13I 12/18 ST202B - ST202C Package mechanical data TSSOP16 MECHANICAL DATA mm. inch DIM. MIN. TYP A MAX. MIN. TYP. MAX. 1.2 A1 0.05 A2 0.8 b 0.047 0.15 0.002 0.004 0.006 1.05 0.031 0.039 0.041 0.19 0.30 0.007 0.012 c 0.09 0.20 0.004 0.0079 D 4.9 5 5.1 0.193 0.197 0.201 E 6.2 6.4 6.6 0.244 0.252 0.260 E1 4.3 4.4 4.48 0.169 0.173 0.176 1 e 0.65 BSC K 0˚ L 0.45 A 0.60 0.0256 BSC 8˚ 0˚ 0.75 0.018 8˚ 0.024 0.030 A2 A1 b e K c L E D E1 PIN 1 IDENTIFICATION 1 0080338D 13/18 Package mechanical data ST202B - ST202C Tape & Reel SO-16 MECHANICAL DATA mm. inch DIM. MIN. A MAX. MIN. 330 13.2 TYP. MAX. 12.992 C 12.8 D 20.2 0.795 N 60 2.362 T 14/18 TYP 0.504 22.4 0.519 0.882 Ao 6.45 6.65 0.254 0.262 Bo 10.3 10.5 0.406 0.414 Ko 2.1 2.3 0.082 0.090 Po 3.9 4.1 0.153 0.161 P 7.9 8.1 0.311 0.319 ST202B - ST202C Package mechanical data Tape & Reel SO-16L MECHANICAL DATA mm. inch DIM. MIN. A TYP MAX. MIN. 330 MAX. 12.992 C 12.8 D 20.2 0.795 N 60 2.362 T 13.2 TYP. 0.504 22.4 0.519 0.882 Ao 10.8 11.0 0.425 0.433 Bo 10.7 10.9 0.421 0.429 Ko 2.9 3.1 0.114 0.122 Po 3.9 4.1 0.153 0.161 P 11.9 12.1 0.468 0.476 15/18 Package mechanical data ST202B - ST202C Tape & Reel TSSOP16 MECHANICAL DATA mm. inch DIM. MIN. A MAX. MIN. 330 13.2 TYP. MAX. 12.992 C 12.8 D 20.2 0.795 N 60 2.362 T 16/18 TYP 0.504 22.4 0.519 0.882 Ao 6.7 6.9 0.264 0.272 Bo 5.3 5.5 0.209 0.217 Ko 1.6 1.8 0.063 0.071 Po 3.9 4.1 0.153 0.161 P 7.9 8.1 0.311 0.319 ST202B - ST202C Revision history 7 Revision history Table 8. Revision history Date Revision Changes 09-Mar-2006 5 Order codes updated and the document has been reformatted. 16-Jul-2007 6 Device summary updated. 17/18 ST202B - ST202C Please Read Carefully: 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. Purchasers are solely responsible for the choice, selection and use of the ST products and services described herein, and ST assumes no liability whatsoever relating to the choice, selection or use of the ST products and services described herein. No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted under this document. 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