ST3243EBDR

ST3243E STMICROELECTRONICS | Alldatasheet

Document overview

• Manufacturer or author: Provided By ALLDATASHEET.COM(FREE DATASHEET DOWNLOAD SITE)
• PDF pages: 18

Technical content

I ESD PROTECTION FOR RS-232 I/O PINS: ±8KV IEC 1000-4-2 CONTACT DISCHARGE ±15KV HUMAN BODY MODEL I 1µA SUPPLY CURRENT ACHIEVED WHEN IN AUTO-POWERDOWN I 250Kbps MINIMUM GUARANTEED DATA RATE I GUARANTEED 6V/ µsS L E WR A T ER A N G E I GUARANTEED MOUSE DRIVEABILITY I 0.1µF EXTERNAL CAPACITORS I MEET EIA/TIA-232 SPECIFICATIONS DOWN TO 3V I AVAILABLE IN SO-28, SSOP-28, TSSOP28 AND FLIP-CHIP28 PACKAGES

DESCRIPTION

The ST3243E device consists of 3 drivers, 5 receivers and a dual charge-pump circuit. The device meets the requirements of EIA/TIA and V.28/V.24 communication standards providing high data rate capability and enhanced electrostatic discharge (ESD) protection. All transmitter outputs and receiver input are protected to ±8KV USING IEC 1000-4-2 contact discharge and ±15KV using the Human Body Model. The receiver R2 is always active to implement a wake-up feature for serial port. The ST3243E has a proprietary low-dropout transmitter output stage enabling true RS-232 performance from a 3.0V to 5.5V supply with a dual charge pump. The device is guaranteed to run at data rates of 250kbps while maintaining RS-232 output levels. The Auto-powerdown feature functions when FORCEON is low and FORCEOFF is high. During this mode of operation, if the device does not sense a valid RS-232 signal, the driver outputs are disabled. If FORCEOFFis set low, both drivers and receivers (expert R2B) are shut off, and supply current is reduced to 1µA. Disconnecting the serial port or turning off the peripheral drives causes the auto-powerdown condition to occur. Auto-powerdown can be disabled when FORCEON and FORCEOFF are high, and should be done when driving a serial mouse. With Auto-powerdown enabled, the device is activated automatically when a valid signal is applied to any receiver input. Typical application are in notebook, subnotebook, palmtop computers, battery-powered equipment, hand-held equipment, peripherals and printers. ST3243E ±15KV ESD PROTECTED 3 TO 5.5V, 400KBPS, RS-232 TRANSCEIVER WITH AUTO-POWERDOWN SSOP SOP TSSOP Flip-Chip28

ST3243ECD 0 to 70°C SO-28 (Tube) 27parts per tube / 12tube per box ST3243EBD -40 to 85°C SO-28 (Tube) 27parts per tube / 12tube per box ST3243ECDR 0 to 70°C SO-28 (Tape & Reel) 1000 parts per reel ST3243EBDR -40 to 85°C SO-28 (Tape & Reel) 1000 parts per reel ST3243ECPR 0 to 70°C SSOP-28 (Tape & Reel) 1350 parts per reel ST3243EBPR -40 to 85°C SSOP-28 (Tape & Reel) 1350 parts per reel ST3243ECTR 0 to 70°C TSSOP28 (Tape & Reel) 2500 parts per reel ST3243EBTR -40 to 85°C TSSOP28 (Tape & Reel) 2500 parts per reel ST3243ECJ 0 to 70°C FLIP-CHIP28 coming soon ST3243EBJ -40 to 85°C FLIP-CHIP28 coming soon PlN N° SYMBOL NAME AND FUNCTION 2+ Positive Terminal of Inverting Charge Pump Capacitor 2C 2- Negative Terminal of Inverting Charge Pump Capacitor 3 V- -5.5V Generated by the Charge Pump 4R 1 IN First Receiver Input Voltage 5R 2 IN Second Receiver Input Voltage 6R 3 IN Third Receiver Input Voltage 7R 4 IN Fourth Receiver Input Voltage 8R 5 IN Fifth Receiver Input Voltage 9T 1 OUT First Transmitter Output Voltage

10 T2 OUT Second Transmitter Output Voltage

11 T3 OUT Third Transmitter Output Voltage

12 T3 IN Third Transmitter Input Voltage

13 T2 IN Second Transmitter Input Voltage

14 T1 IN First Transmitter Input Voltage

15 R5 OUT Fifth Receiver Output Voltage

16 R4 OUT Fourth Receiver Output Voltage

17 R3 OUT Third Receiver Output Voltage

18 R2 OUT Second Receiver Output Voltage

19 R1 OUT First Receiver Output Voltage

20 R2 OUTB

Non-inverting Complementary Receiver Output, always active for wake-up 21 INVALID Output of the valid signal detector. Indicates if a valid RS-232 level is present on receiver inputs logic "1"

22 FORCEOFF Drive low to shut down transmitters and on-board power

supply. This over-rides all automatic circuitry and FORCEON

23 FORCEON Drive high to override automatic circuitry keeping transmitters

on (FORCEOFF must be high)

24 C 1- Negative Terminal of Voltage- Charge Pump Capacitor

25 GND Ground

26 V CC Supply Voltage

27 V+ 5.5V Generated by the Charge Pump

28 C 1+ Positive Terminal of Voltage- Charge Pump Capacitor

PlN N° SYMBOL NAME AND FUNCTION A1 R2 IN Second Receiver Input Voltage A2 R3 IN Third Receiver Input Voltage A3 R4 IN Fourth Receiver Input Voltage A4 R5 IN Fifth Receiver Input Voltage A5 T1 OUT First Transmitter Output Voltage A6 T2 OUT Second Transmitter Output Voltage B1 V- -5.5V Generated by the Charge Pump B2 R1 IN First Receiver Input Voltage B3 T3 OUT Third Transmitter Output Voltage B4 T3 IN Third Transmitter Input Voltage B5 T1 IN First Transmitter Input Voltage B6 T2 IN Second Transmitter Input Voltage C1 C 2+ Positive Terminal of Inverting Charge Pump Capacitor C2 C 2- Negative Terminal of Inverting Charge Pump Capacitor C5 R4 OUT Fourth Receiver Output Voltage C6 R5 OUT Fifth Receiver Output Voltage D1 C 1+ Positive Terminal of Voltage- Charge Pump Capacitor D2 V+ 5.5V Generated by the Charge Pump D3 V CC Supply Voltage D4 FORCEON Drive high to override automatic circuitry keeping transmitters on (FORCEOFF must be high) D5 R1 OUT First Receiver Output Voltage D6 R3 OUT Third Receiver Output Voltage E1 GND Ground E2 C 1- Negative Terminal of Voltage- Charge Pump Capacitor E3 FORCEOFF Drive low to shut down transmitters and on-board power supply. This over-rides all automatic circuitry and FORCEON E4 INVALID Output of the valid signal detector. Indicates if a valid RS-232 level is present on receiver inputs logic "1" E5 R2 OUTB Non-inverting Complementary Receiver Output, always active for wake-up E6 R2 OUT Second Receiver Output Voltage

OUTPUT CONTROL TRUTH TABLE RS-232 SIGNAL PRESENT AT ANY RECEIVER INPUT INVALID OUTPUT YES H NO L FORCE ON FORCE OFF VALID RECEIVER LEVEL OPERATION STATUS TOUT R OUT R 2OUTB X 0 X Shutdown (Force OFF) HIGH Z HIGH Z ACTIVE

11 X Normal Operating (Force

ON) ACTIVE ACTIVE ACTIVE

01 Y E S Normal Operating

(Auto-powerdown) ACTIVE ACTIVE ACTIVE

01 N O Shutdown

(Auto-powerdown) HIGH Z ACTIVE ACTIVE SOP, SSOP , TSSOP (top view) FLIP-CHIP 6x5 (bottom view, bumps side)

Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these condition is not implied. ESD PERFORMANCE: TRANSMITTER OUTPUTS, RECEIVER INPUTS

ELECTRICAL CHARACTERISTICS

(C1 -C 4 =0 . 1µF, VCC =3 Vt o5 . 5 V ,TA = -40 to 85°C, unless otherwise specified. Typical values are referred to TA =2 5 ° C ) LOGIC INPUT ELECTRICAL CHARACTERISTICS (C1 -C 4 =0 . 1µF, VCC =3 Vt o5 . 5 V ,TA = -40 to 85°C, unless otherwise specified. Typical values are referred to TA =2 5 ° C ) Symbol Parameter Value Unit VCC Supply Voltage -0.3 to 6 V V+ Doubled Voltage Terminal (V CC -0.3) to 7 V V- Inverted Voltage Terminal 0.3 to -7 V V+ +|V-| 13 V FORCEON, FORCEOFF, TIN Input Voltage -0.3 to 6 V R IN Receiver Input Voltage Range ± 25 V TOUT Transmitter Output Voltage Range ± 13.2 V R OUT R OUTB INVALID Receiver Output Voltage Range -0.3 to (V CC +0 . 3 ) V tSHORT Short Circuit Duration on TOUT (one at a time) Continuous Tstg Storage Temperature Range -65 to 150 °C Symbol Parameter Test Conditions Min. Typ. Max. Unit ESD ESD Protection Voltage Human Body Model ± 15 KV ESD ESD Protection Voltage IEC 1000-4-2 (Contact Discharge) ± 8K V Symbol Parameter Test Conditions Min. Typ. Max. Unit IASHDN Supply Current Auto-powerdown FORCEOFF = GNDFORCEON =V CC All R_IN open or grounded 11 0 µA ISUPPLY Supply Current FORCEON = FORCEOFF =V CC 0.3 1 mA ISHDN Shutdown Supply Current FORCEOFF =G N D 1 1 0 µA Symbol Parameter Test Conditions Min. Typ. Max. Unit VTIL Input Logic Threshold Low T-IN, FORCEON, FORCEOFF 0.8 V VTIH Input Logic Threshold High T-IN, FORCEON, FORCEOFF VCC =3 . 3 V VCC =5 V 2.4 V V VTHYS Transmitter Input Hysteresis 0.5 V IIL Input Leakage Current T-IN, FORCEON, FORCEOFF ± 0.01 ± 1.0 µA IOL Output Leakage Current Receiver Disabled ± 0.05 ± 10 µA VOL Output Voltage Low I OUT =1 . 6 m A 0 . 4 V VOH Output Voltage High I OUT =- 1 m A V CC -0.6 VCC -0.1 V

AUTO-POWERDOWN ELECTRICAL CHARACTERISTICS (C1 -C 4 =0 . 1µF, VCC =3 Vt o5 . 5 V ,TA = -40 to 85°C, unless otherwise specified. Typical values are referred to TA = 25°C, FORCEON = GND, FORCEOFF =V CC ) TRANSMITTER ELECTRICAL CHARACTERISTICS (C1 -C 4 =0 . 1µF, VCC =3 Vt o5 . 5 V ,TA = -40 to 85°C, unless otherwise specified. Typical values are referred to TA = 25°C) RECEIVER ELECTRICAL CHARACTERISTICS (C1 -C 4 =0 . 1µF, VCC =3 Vt o5 . 5 V ,TA = -40 to 85°C, unless otherwise specified. Typical values are referred to TA = 25°C) Symbol Parameter Test Conditions Min. Typ. Max. Unit VRITE Receiver Input Threshold to INVALID Output Voltage HIGH (Fig. 1) Positive Threshold 2.7 V Negative Threshold 2.7 V VRITD Receiver Input Threshold to INVALID Output Voltage LOW (Fig. 1) -0.3 0.3 V VIOL INVALID Output Voltage LOW IOUT =1 . 6 m A 0 . 4 V VIOH INVALID Output Voltage HIGH IOUT =- 1 m A V CC -0.6 V tWU Receiver or Transmitter Edge Transmitter Enabled (Fig. 1) 100 µs tINVH Receiver Positive or Negative Threshold to INVALID HIGH (Fig. 1) 0.2 µs tINVL Receiver Positive or Negative Threshold to INVALID LOW (Fig. 1) 30 µs Symbol Parameter Test Conditions Min. Typ. Max. Unit VTOUT Output Voltage Swing All Transmitter outputs are loaded with 3KΩ to GND ± 5 ± 5.4 V R OUT Output Resistance V CC =V +=V -=0 V V OUT = ± 2V 300 10M Ω ISC Output Short Circuit Current VCC =3 . 3 V ± 40 ± 60 mA IL Output Leakage Current V CC = 0 to 5.5V, transmitter output=± 12V, transmitter disabled ± 25 µA VOT Transmitter Output Voltage T1IN = T2IN = GND, T3IN = VCC T3OUT loaded with 3KΩ to GND T1OUT and T2OUT loaded with 2.5mA each ± 5V Symbol Parameter Test Conditions Min. Typ. Max. Unit VRIN Receiver Input Voltage Operating Range -25 25 V VRIL RS-232 Input Threshold Low TA = 25°C V CC =3 . 3 V TA = 25°C V CC =5 . 0 V 0.6 0.8 1.1 1.4 V VRIH RS-232 Input Threshold High TA = 25°C V CC =3 . 3 V TA = 25°C V CC =5 . 0 V 1.6 1.9 2.4 2.4 V VRIHYS Input Hysteresis 0.5 V R RIN Input Resistance T A = 25°C 3 5 7 K Ω

(C1 -C 4 =0 . 1µF, VCC =3 Vt o5 . 5 V ,TA = -40 to 85°C, unless otherwise specified. Typical values are referred to TA =2 5 ° C ) Symbol Parameter Test Conditions Min. Typ. Max. Unit D R Maximum Data Rate R L =3 KΩ C L= 1000pF one transmitter switching 250 400 Kbps tPHL tPLH Receiver Propagation Delay RIN to ROUT C L = 150pF 0.15 µs tT_SKEW Transmitter Skew 150 ns tR_SKEW Receiver Skew 70 ns SRT Transition Slew Rate T A = 25°C R L =3 Kt o7 KΩ VCC =3 . 3 V measured from +3V to -3V or -3V to +3V C L = 150pF to 1000pF C L = 150pF to 2500pF V/µs V/µs

REQUIRED MINIMUM CAPACITANCE VALUE ( µF) VCC (V) C 1 C 2,C 3,C 4,C BYPASS 3t o3 . 6 0 . 1 0 . 1 4.5 to 5.5 0.047 0.33

AUTOPOWERDOWN INPUT LEVELS AUTOPOWERDOWN INPUT TIMING

DIM. mm. inch A 2.65 0.104 a1 0.1 0.3 0.004 0.012 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 17.70 18.10 0.697 0.713 E 10.00 10.65 0.393 0.419 e 1.27 0.050 e3 16.51 0.650 F 7.40 7.60 0.291 0.300 L 0.50 1.27 0.020 0.050 S˚ ( m a x . ) SO-28 MECHANICAL DATA 0016023

DIM. mm. inch A 2 0.079 A1 0.050 0.002 b 0.22 0.38 0.009 0.015 c 0.09 0.25 0.004 0.010 e 0.65 BSC 0.0256 BSC K0 ˚ 10˚ 0˚ 10˚ SSOP28 MECHANICAL DATA

DIM. mm. inch A 1.2 0.047 b 0.19 0.30 0.007 0.012 c 0.09 0.20 0.004 0.0079 e 0.65 BSC 0.0256 BSC K0 ˚ 8˚ 0˚ 8˚ TSSOP28 MECHANICAL DATA 0128292B

DIM. mm. mils A 0.58 0.95 22.8 37.4 A1 0.24 9.4 A2 0.65 25.6 D 3.97 4.17 156.3 164.2 D1 2.5 98.4 E 2.47 2.67 97.2 105.1 E1 2 78.7 e 0.45 0.55 17.7 21.7 f 0.23 0.34 9.1 13.4 f1 0.80 0.91 31.5 31.8 Flip-Chip28 MECHANICAL DATA 7385199/A

DIM. mm. inch A 330 12.992 C 12.8 13.2 0.504 0.519 D 20.2 0.795 N 60 2.362 T 30.4 1.197 Ao 10.8 11.0 0.425 0.433 Bo 18.2 18.4 0.716 0.724 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 Tape & Reel SO-28 MECHANICAL DATA

DIM. mm. inch A 330 12.992 C 12.8 13.2 0.504 0.519 D 20.2 0.795 N 60 2.362 T 22.4 0.882 Ao 8.4 8.6 0.331 0.339 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 Tape & Reel SSOP28 MECHANICAL DATA

DIM. mm. inch A 330 12.992 C 12.8 13.2 0.504 0.519 D 20.2 0.795 N 60 2.362 T 22.4 0.882 Ao 6.8 7 0.268 0.276 Bo 10.1 10.3 0.398 0.406 Ko 1.7 1.9 0.067 0.075 Po 3.9 4.1 0.153 0.161 P 11.9 12.1 0.468 0.476 Tape & Reel TSSOP28 MECHANICAL DATA

DIM. mm. inch A 330 12.992 C 12.8 13.2 0.504 0.519 D 20.2 0.795 N 60 2.362 T 18.4 0.882 Ao 2.6 2.8 0.102 0.110 Bo 4.1 4.3 0.161 0.169 Ko 1.1 1.3 0.043 0.051 Po 3.9 4.1 0.153 0.161 P 3.9 4.1 0.153 0.161 Tape & Reel Flip-Chip28 MECHANICAL DATA

Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics. The ST logo is a registered trademark of STMicroelectronics All other names are the property of their respective owners © 2004 STMicroelectronics - All Rights Reserved STMicroelectronics GROUP OF COMPANIES Australia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan - Malaysia - Malta - Morocco - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States. http://www.st.com