ST232ACTR

ST232AB ST232AC Very high speed, ultra low power consumption 5 V powered RS-232 drivers and receivers Features ■ Supply voltage range: 4.5 to 5.5 V ■ Supply current no load (typ): 1.5 mA ■ Transmitter output voltage swing (typ): ± 9 V ■ Transition slew rate (typ.): 12 V/µs ■ Receiver propagation delay (typ.): 0.1 µs ■ Receiver input voltage range: ± 30 V ■ Data rate (typ.): 400 kbps/s ■ Operating temperature range: – -40 to 85 °C – 0 to 70 °C SO-16 TSSOP16 Description The ST232AB/AC is a 2 driver, 2 receiver device following EIA/TIA-232 and V.28 communication standard. It is particularly suitable for applications where ±12 V is not available. The ST232AB/AC uses a single 5 V power supply and only four external capacitors (0.1 µF). Typical applications are in: portable computers, low power modems, interfaces translation, battery powered RS-232 networks. Table 1. . Device summary Order codes Temperature range Packages Packaging ST232ACDR 0 to 70 °C SO-16 (tape and reel) 2500 parts per reel ST232ABDR -40 to 85 °C SO-16 (tape and reel) 2500 parts per reel ST232ACTR 0 to 70 °C TSSOP16 (tape and reel) 2500 parts per reel ST232ABTR -40 to 85 °C TSSOP16 (tape and reel) 2500 parts per reel February 2008 Rev 9 1/16 www.st.com 16 ST232AB - ST232AC 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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 7 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 2/16 ST232AB - ST232AC 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 3/16 Maximum ratings ST232AB - ST232AC 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: 4/16 Absolute maximum ratings are those values beyond which damage to the device may occur. Functional operation under these condition is not implied. ST232AB - ST232AC Electrical characteristics 3 Electrical characteristics Table 4. Electrical characteristics (C1 - C4 = 0.1 µF, VCC = 5 V ± 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, TA = 25°C Typ. Max. Unit 1.5 4 mA Transmitter electrical characteristics (C1 - C4 = 0.1 µF, 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 tDT Propagation delay time TTL-CMOS IN to RS-232 OUT CL = 150pF (50% to 50%) RTOUT ±7 kbits/s Ω ±22 1.3 mA 3.5 µs 1. Measured from 3 V to -3 V or from -3 V to 3 V. 2. One transmitter output is loaded with RL = 3 kΩ to 7 kΩ, CL = 50 to 1000 pF. 5/16 Electrical characteristics Table 6. Symbol ST232AB - ST232AC Receiver electrical characteristics (C1 - C4 = 0.1 µF, VCC = 5 V ± 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%) 6/16 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 ST232AB - ST232AC 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 7/16 Typical performance characteristics ST232AB - ST232AC 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 Receiver threshold vs supply voltage Driver output capability current vs output voltage Figure 5. 8/16 Figure 6. ST232AB - ST232AC Figure 7. Driver short circuit supply current vs temperature Typical performance characteristics Figure 8. Receiver threshold vs temperature 9/16 Package mechanical data 6 ST232AB - ST232AC 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. 10/16 ST232AB - ST232AC 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 11/16 Package mechanical data ST232AB - ST232AC 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 12/16 ST232AB - ST232AC Package mechanical data Tape & reel SO-16 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 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 13/16 Package mechanical data ST232AB - ST232AC 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 14/16 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 ST232AB - ST232AC Revision history 7 Revision history Table 8. Document revision history Date Revision Changes 27-Oct-2006 7 Order codes updated. 14-Nov-2007 8 Added Table 1. 08-Feb-2008 9 Modified: Table 1 on page 1. 15/16 ST232AB - ST232AC 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. 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