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MAX3243IPWR Datasheet(PDF) 1 Page - Texas Instruments |
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MAX3243IPWR Datasheet(HTML) 1 Page - Texas Instruments |
1 / 16 page MAX3243 3V TO 5.5V MULTICHANNEL RS232 LINE DRIVER/RECEIVER WITH ±15kV ESD (HBM) PROTECTION SLLS350L − APRIL 1999 − REVISED MARCH 2004 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D Single-Chip and Single-Supply Interface for IBM PC/AT Serial Port D RS-232 Bus-Pin ESD Protection Exceeds ±15 kV Using Human-Body Model (HBM) D Meets or Exceeds the Requirements of TIA/EIA-232-F and ITU v.28 Standards D Operates With 3-V to 5.5-V VCC Supply D Three Drivers and Five Receivers D Operates Up To 250 kbit/s D Designed to Transmit at a Data Rate of 250 kbit/s D Low Standby Current...1 µA Typical D External Capacitors ...4 × 0.1 µF D Accepts 5-V Logic Input With 3.3-V Supply D Always-Active Noninverting Receiver Output (ROUT2B) D Alternative High-Speed Pin-Compatible Device (1 Mbit/s) − SNx5C3243 D Serial-Mouse Driveability D Auto-Powerdown Feature to Disable Driver Outputs When No Valid RS-232 Signal Is Sensed D Applications − Battery-Powered Systems, PDAs, Notebooks, Laptops, Palmtop PCs, and Hand-Held Equipment description/ordering information The MAX3243 consists of three line drivers, five line receivers, and a dual charge-pump circuit with ±15-kV ESD (HBM) protection pin to pin (serial-port connection pins, including GND). 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. Copyright 2004, Texas Instruments Incorporated 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. 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) AT, IBM, and PC are trademarks of International Business Machines Corporation. PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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