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| ST3232E 15kV ESD-Protection, 3 to 5.5V, low power, up to 250KBPS, RS-232 drivers and receivers Feature summary ESD protection for RS-232 I/O pins 15KV human body model 8KV IEC 1000-4-2 contact discharge 300A supply current 250Kbps minimum guaranteed data rate 6V/s minimum guaranteed slew rate Meet EIA/TIA-232 specifications down to 3V Available in DIP-16, SO-16, SO-16 large SSOP16 and TSSOP16 SO-16 Large SSOP16 TSSOP16 DIP-16 SO-16 Description The ST3232E is a 3V powered EIA/TIA-232 and V.28/V.24 communication interfaces with low power requirements, high data-rate capabilities and enhanced electrostatic discharge (ESD) protection to 8kV using IEC1000-4-2 Contact Discharge and 15kV using the Human Body Model. ST3232E has a proprietary low dropout transmitter output stage providing true RS-232 performance from 3 to 5V supplies with a dual charge pump. The charge pump requires only four small 0.1F standard external capacitors for operations from 3V supply. The ST3232E has two receivers and two drivers. The device is guaranteed to run at data rates of 250Kbps while maintaining RS-232 output levels. Typical applications are Notebook, Subnotebook and Palmtop Computers, Battery Powered Equipment, Hand-Held Equipment, Peripherals and Printers.. Order code Part number ST3232ECN ST3232EBN ST3232ECDR ST3232EBDR ST3232ECWR ST3232EBWR ST3232ECPR ST3232EBPR ST3232ECTR ST3232EBTR September 2006 Temp. range 0 to 70 C -40 to 85 C 0 to 70 C -40 to 85 C 0 to 70 C -40 to 85 C 0 to 70 C -40 to 85 C 0 to 70 C -40 to 85 C Package DIP-16 DIP-16 SO-16 (Tape & Reel) SO-16 (Tape & Reel) SO-16 Large (Tape & Reel) SO-16 Large (Tape & Reel) SSOP16 (Tape & Reel) SSOP16 (Tape & Reel) TSSOP16 (Tape & Reel) TSSOP16 (Tape & Reel) Rev 3 Packaging 25parts per tube / 40tube per box 25parts per tube / 40tube per box 2500 parts per reel 2500 parts per reel 1000 parts per reel 1000 parts per reel 1350 parts per reel 1350 parts per reel 2500 parts per reel 2500 parts per reel 1/20 www.st.com 20 Contents ST3232E Contents 1 2 3 4 5 6 7 Pin configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Typical performance characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 2/20 ST3232E Pin configuration 1 Figure 1. Pin configuration Pin connection Table 1. Pin description Symbol C1+ V+ C1C2+ C2VT2OUT R2IN R2OUT T2IN T1IN R1OUT R1IN T1OUT GND VCC Name and function Positive terminal for the first charge pump capacitor Doubled voltage terminal Negative Terminal for the first charge pump capacitor Positive terminal for the second charge pump capacitor Negative terminal for the second charge pump capacitor Inverted voltage terminal Second transmitter output voltage Second receiver input voltage Second receiver output voltage Second transmitter input voltage First transmitter input voltage First receiver output voltage First receiver input voltage First transmitter output voltage Ground Supply voltage Pln N 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 3/20 Absolute maximum ratings ST3232E 2 Table 2. Symbol VCC V+ VV+ +|V-| TIN RIN TOUT ROUT tSHORT Absolute maximum ratings Absolute maximum ratings Parameter Supply voltage Doubled voltage terminal Inverted voltage terminal Value -0.3 to 6 (VCC - 0.3) to 7 0.3 to -7 13 Transmitter input voltage range Receiver input voltage range Transmitter output voltage range Receiver output voltage range Transmitter output short to gnd time -0.3 to 6 25 13.2 -0.3 to (VCC + 0.3) Continuous Unit V V V V V V V V Note: Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these condition is not implied. V+ and V- can have a maximum magnitude of +7V, but their absolute addition can not exceed 13 V. ESD performance: transmitter outputs, receiver inputs Parameter ESD protection voltage ESD protection voltage Test conditions Human body model IEC-1000-4-2 Min. 15 8 Typ. Max. Unit kV kV Figure 2. Symbol ESD ESD 4/20 ST3232E Electrical characteristics 3 Table 3. Symbol ISUPPLY Electrical characteristics Electrical characteristics (C1 - C4 = 0.1F, VCC = 3V to 5.5V, TA = -40 to 85C, unless otherwise specified. Typical values are referred to TA = 25C) Parameter Test conditions Min. Typ. 0.3 Max. 1 Unit mA VCC Power supply current No Load, VCC = 3V or 5V, TA = 25C Table 4. Symbol VTIL VHYS VTIH IIL Logic input (C1 - C4 = 0.1F, VCC = 3V to 5.5V, TA = -40 to 85C, unless otherwise specified. Typical values are referred to TA = 25C) Parameter Input logic threshold low Transmitter input hysteresis Input logic threshold high Input leakage current VCC = 3.3V VCC = 5V T-IN 2 V 2.4 0.01 1 A T-IN 0.25 Test conditions Min. Typ. Max. 0.8 Unit V V Table 5. Symbol VTOUT RTOUT ISC ITOL Transmitter (C1 - C4 = 0.1F tested at 3.3V10%, VCC = 3V to 5.5V, TA = -40 to 85C, unless otherwise specified. Typical values are referred to TA = 25C) Parameter Output voltage swing Transmitter output resistance Output short circuit current Output leakage current VCC = 0V or 3.3V to 5.5V VOUT = 12V Transmitters disable Test conditions All transmitter outputs are loaded with 3K to GND VCC = 0V, VOUT = 2V Min. 5 300 Typ. 5.4 10M 60 25 Max. Unit V mA A 5/20 Electrical characteristics ST3232E Table 6. Symbol VRIN VRIL Receiver (C1 - C4 = 0.1F tested at 3.3V10%, VCC = 3V to 5.5V, TA = -40 to 85C, unless otherwise specified. Typical values are referred to TA = 25C) Parameter Receiver input voltage operating range RS-232 Input threshold low TA = 25C, VCC = 3.3V TA = 25C, VCC = 5V RS-232 Input threshold high Input hysteresis Input resistance TTL/CMOS Output voltage low TA = 25C IOUT = 1.6mA VCC-0.6 VCC-0.1 3 TA = 25C, VCC = 3.3V TA = 25C, VCC = 5V Test conditions Min. -25 0.6 0.8 1.1 V 1.5 1.4 1.8 0.5 5 7 0.4 2.4 V 2.4 V k V V Typ. Max. 25 Unit V VRIH VRIHYS RRIN VROL VROH TTL/CMOS Output voltage high IOUT = -1mA Table 7. Symbol DR tPHLR tPLHR tOER tODR |tPHLT - tTHL| |tPHLR - tTHR| Timing characteristics (C1 - C4 = 0.1F tested at 3.3V10%, VCC = 3V to 5.5V, TA = -40 to 85C, unless otherwise specified. Typical values are referred to TA = 25C) Parameter Data transfer rate Propagation delay input to output Test conditions , RL = 3K CL2= 1000pF one transmitter switching RXIN = RXOUT, CL = 150pF Min. 250 0.15 50 50 200 50 TA = 25C RL = 3K to 7K VCC = 3.3V measured from +3V to -3V or -3V to +3V CL = 150pF to 1000pF CL = 150pF to 2500pF Typ. Max. Unit Kbps s ns ns ns ns Receiver output enable time Normal Operation Receiver output disable time Normal Operation Transmitter propagation delay difference Receiver propagation delay difference (Note 1) SRT Transition slew rate 6 4 30 30 V/s V/s Note: 1 Transmitter Skew is measured at the transmitter zero cross points 6/20 ST3232E Application 4 Application Figure 3. Application circuits Table 8. VCC Capacitance value (F) C1 0.1 0.047 0.1 C2 0.1 0.33 0.47 C3 0.1 0.33 0.47 C4 0.1 0.33 0.47 Cbypass 0.1 0.1 0.1 3.0 to 3.6 4.5 to 5.5 3.0 to 5.5 7/20 Typical performance characteristics ST3232E 5 Typical performance characteristics (unless otherwise specified TJ = 25C) Figure 4. Output current vs output high voltage Figure 5. Output current vs output high voltage Figure 6. Output current vs output low voltage Figure 7. Output current vs output low voltage Figure 8. Voltage transfer characteristics for transmitter inputs Figure 9. Receiver input resistance 8/20 ST3232E Package mechanical data 6 Package mechanical data In order to meet environmental requirements, ST offers these devices in ECOPACK(R) 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. 9/20 Package mechanical data ST3232E Plastic DIP-16 (0.25) MECHANICAL DATA mm. DIM. MIN. a1 B b b1 D E e e3 F I L Z 3.3 1.27 8.5 2.54 17.78 7.1 5.1 0.130 0.050 0.51 0.77 0.5 0.25 20 0.335 0.100 0.700 0.280 0.201 1.65 TYP MAX. MIN. 0.020 0.030 0.020 0.010 0.787 0.065 TYP. MAX. inch P001C 10/20 ST3232E Package mechanical data SO-16 MECHANICAL DATA DIM. A a1 a2 b b1 C c1 D E e e3 F G L M S 3.8 4.6 0.5 9.8 5.8 1.27 8.89 4.0 5.3 1.27 0.62 8 (max.) 0.149 0.181 0.019 10 6.2 0.35 0.19 0.5 45 (typ.) 0.385 0.228 0.050 0.350 0.157 0.208 0.050 0.024 0.393 0.244 0.1 mm. MIN. TYP MAX. 1.75 0.25 1.64 0.46 0.25 0.013 0.007 0.019 0.004 MIN. inch TYP. MAX. 0.068 0.010 0.063 0.018 0.010 0016020D 11/20 Package mechanical data ST3232E SO-16L MECHANICAL DATA DIM. A a1 a2 b b1 C c1 D E e e3 F G L M S 8 0.5 1.27 0.75 (max.) 0.020 0.050 0.029 7.4 10.1 10.0 1.27 8.89 7.6 0.291 10.5 10.65 0.35 0.23 0.5 45 (typ.) 0.397 0.393 0.050 0.350 0.300 0.413 0.419 0.1 mm. MIN. TYP MAX. 2.65 0.2 2.45 0.49 0.32 0.014 0.009 0.020 0.004 MIN. inch TYP. MAX. 0.104 0.008 0.096 0.019 0.012 PO13I 12/20 ST3232E Package mechanical data SSOP16 MECHANICAL DATA mm. DIM. MIN. A A1 A2 b c D E E1 e K L 0 0.55 0.05 1.65 0.22 0.09 5.9 7.4 5.3 5 0.65 8 0.95 0 0.022 TYP MAX. 2 0.21 1.85 0.38 0.25 6.5 8.2 5.6 0.002 0.065 0.009 0.0035 0.232 0.291 0.197 0.209 0.0256 8 0.037 MIN. TYP. MAX. 0.079 0.008 0.073 0.015 0.0098 0.256 0.323 0.220 inch A A2 A1 b e K c L E D E1 PIN 1 IDENTIFICATION 1 7299589/A 13/20 Package mechanical data ST3232E TSSOP16 MECHANICAL DATA mm. DIM. MIN. A A1 A2 b c D E E1 e K L 0 0.45 0.60 0.05 0.8 0.19 0.09 4.9 6.2 4.3 5 6.4 4.4 0.65 BSC 8 0.75 0 0.018 0.024 1 TYP MAX. 1.2 0.15 1.05 0.30 0.20 5.1 6.6 4.48 0.002 0.031 0.007 0.004 0.193 0.244 0.169 0.197 0.252 0.173 0.0256 BSC 8 0.030 0.004 0.039 MIN. TYP. MAX. 0.047 0.006 0.041 0.012 0.0079 0.201 0.260 0.176 inch A A2 A1 b e K c L E D E1 PIN 1 IDENTIFICATION 1 0080338D 14/20 ST3232E Package mechanical data Tape & Reel SO-16 MECHANICAL DATA mm. DIM. MIN. A C D N T Ao Bo Ko Po P 6.45 10.3 2.1 3.9 7.9 12.8 20.2 60 22.4 6.65 10.5 2.3 4.1 8.1 0.254 0.406 0.082 0.153 0.311 TYP MAX. 330 13.2 0.504 0.795 2.362 0.882 0.262 0.414 0.090 0.161 0.319 MIN. TYP. MAX. 12.992 0.519 inch 15/20 Package mechanical data ST3232E Tape & Reel SO-16L MECHANICAL DATA mm. DIM. MIN. A C D N T Ao Bo Ko Po P 10.8 10.7 2.9 3.9 11.9 12.8 20.2 60 22.4 11.0 10.9 3.1 4.1 12.1 0.425 0.421 0.114 0.153 0.468 TYP MAX. 330 13.2 0.504 0.795 2.362 0.882 0.433 0.429 0.122 0.161 0.476 MIN. TYP. MAX. 12.992 0.519 inch 16/20 ST3232E Package mechanical data Tape & Reel SSOP16 MECHANICAL DATA mm. DIM. MIN. A C D N T Ao Bo Ko Po P 8.4 6.7 2.9 3.9 11.9 12.8 20.2 60 22.4 8.6 6.9 3.1 4.1 12.1 0.331 0.264 0.114 0.153 0.468 TYP MAX. 330 13.2 0.504 0.795 2.362 0.882 0.339 0.272 0.122 0.161 0.476 MIN. TYP. MAX. 12.992 0.519 inch 17/20 Package mechanical data ST3232E Tape & Reel TSSOP16 MECHANICAL DATA mm. DIM. MIN. A C D N T Ao Bo Ko Po P 6.7 5.3 1.6 3.9 7.9 12.8 20.2 60 22.4 6.9 5.5 1.8 4.1 8.1 0.264 0.209 0.063 0.153 0.311 TYP MAX. 330 13.2 0.504 0.795 2.362 0.882 0.272 0.217 0.071 0.161 0.319 MIN. TYP. MAX. 12.992 0.519 inch 18/20 ST3232E Revision history 7 Table 9. Date Revision history Revision history Revision 3 Changes Order codes has been updated and new template. 06-Sep-2006 19/20 ST3232E Please Read Carefully: Information in this document is provided solely in connection with ST products. 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