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TRS3243EIRHBR Datasheet(PDF) 1 Page - Texas Instruments |
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TRS3243EIRHBR Datasheet(HTML) 1 Page - Texas Instruments |
1 / 26 page www.ti.com FEATURES 1 2 3 4 5 6 7 8 9 10 11 12 13 14 28 27 26 25 24 23 22 21 20 19 18 17 16 15 C2+ C2− V− RIN1 RIN2 RIN3 RIN4 RIN5 DOUT1 DOUT2 DOUT3 DIN3 DIN2 DIN1 C1+ V+ VCC GND C1− FORCEON FORCEOFF INVALID ROUT2B ROUT1 ROUT2 ROUT3 ROUT4 ROUT5 DB, DW, OR PW PACKAGE (TOP VIEW) APPLICATIONS QFN PACKAGE (TOP VIEW) GND C1– FORCEON FORCEOFF INVALID ROUTB2 ROUT1 ROUT2 RIN1 RIN2 RIN3 RIN4 RIN5 DOUT1 DOUT2 DOUT3 1 2 3 4 5 6 7 8 24 23 22 21 20 19 18 17 31 32 30 29 28 27 26 25 10 9 11 12 13 14 15 16 N.C. − Not internally connected DESCRIPTION/ORDERING INFORMATION TRS3243E 3-V TO 5.5-V MULTICHANNEL RS-232 LINE DRIVER/RECEIVER WITH ±15-kV IEC ESD PROTECTION SLLS789 – APRIL 2007 • Single-Chip and Single-Supply Interface for IBM™ PC/AT™ Serial Port • ESD Protection for RS-232 Bus Pins – ±15-kV Human-Body Model (HBM) – ±8-kV IEC61000-4-2, Contact Discharge – ±15-kV IEC61000-4-2, Air-Gap Discharge • Meets or Exceeds Requirements of TIA/EIA-232-F and ITU v.28 Standards • Operates With 3-V to 5.5-V V CC Supply • Always-Active Noninverting Receiver Output (ROUT2B) • Designed to Transmit at a Data Rate up to 500 kbit/s • Low Standby Current . . . 1 µA Typ • External Capacitors . . . 4 × 0.1 µF • Accepts 5-V Logic Input With 3.3-V Supply • Designed to Be Interchangeable With Industry Standard '3243E Devices • Serial-Mouse Driveability • Auto-Powerdown Feature to Disable Driver Outputs When No Valid RS-232 Signal Is Sensed • Package Options Include Plastic Small-Outline (DW), Shrink Small-Outline (DB), and Thin Shrink Small-Outline (PW) Packages • Battery-Powered Systems • PDAs • Notebooks • Laptops • Palmtop PCs • Hand-Held Equipment The TRS3243E device consists of three line drivers, five line receivers, and a dual charge-pump circuit with ±15-kV ESD (HBM and IEC61000-4-2, Air-Gap Discharge) and ±8-kV ESD (IEC61000-4-2, Contact Discharge) protection on serial-port connection pins. The device meets the requirements of TIA/EIA-232-F and provides the electrical interface between an asynchronous communication controller and the serial-port connector. This combination of drivers and receivers matches that needed for the typical serial port used in an IBM PC/AT, or compatible. The charge pump and four small external capacitors allow operation from a single 3-V to 5.5-V supply. In addition, the device includes an always-active noninverting output (ROUT2B), which allows applications using the ring indicator to transmit data while the device is powered down. The device operates at data signaling rates up to 250 kbit/s and a maximum of 30-V/ µs driver output slew rate. Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. IBM, PC/AT are trademarks of International Business Machines Corporation. PRODUCTION DATA information is current as of publication date. Copyright © 2007, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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