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SN65C23243DLG4 Datasheet(PDF) 1 Page - Texas Instruments |
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SN65C23243DLG4 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 17 page SN65C23243, SN75C23243 3V TO 5.5V DUAL RS232 PORT SLLS513A − AUGUST 2001 − REVISED MARCH 2004 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D Single-Chip and Single-Supply Interface for Two IBM PC/AT Serial Ports D Meet or Exceed the Requirements of TIA/EIA-232-F and ITU v.28 Standards D Operate With 3-V to 5.5-V VCC Supply D Always-Active Noninverting Receiver Output (ROUT2) Per Port D Operate Up To 250 kbit/s D Low Standby Current...1 µA Typical D External Capacitors ...4 × 0.22 µF D Accept 5-V Logic Input With 3.3-V Supply D Allow for Flexible Power Down of Either Serial Port D Serial-Mouse Driveability D RS-232 Bus-Pin ESD Protection Exceeds ±15 kV Using Human-Body Model (HBM) D Applications − Battery-Powered Systems, Notebooks, Laptops, Palmtop PCs, and Hand-Held Equipment description/ordering information The SN65C23243 and SN75C23243 consist of two ports, each containing three line drivers and five line receivers, and a dual charge-pump circuit with ±15-kV ESD protection pin to pin (serial-port connection pins, including GND). These devices meet the requirements of TIA/EIA-232-F and provide the electrical interface between an asynchronous communication controller and the serial-port connector. This combination of drivers and receivers matches that needed for two typical serial ports 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, these devices include an always-active noninverting output (ROUT2) per port, which allows applications using the ring indicator to transmit data while the devices are powered down. The devices operate at data signaling rates up to 250 kbit/s and a maximum of 30-V/ µs driver output slew-rate. ORDERING INFORMATION TA PACKAGE† ORDERABLE PART NUMBER TOP-SIDE MARKING SSOP (DL) Tube of 25 SN75C23243DL 75C23243 −0 °C to 70°C SSOP (DL) Reel of 1000 SN75C23243DLR 75C23243 −0 C to 70 C TSSOP (DGG) Reel of 2000 SN75C23243DGGR 75C23243 SSOP (DL) Tube of 25 SN65C23243DL 65C23243 −40 °C to 85°C SSOP (DL) Reel of 1000 SN65C23243DLR 65C23243 −40 C to 85 C TSSOP (DGG) Reel of 2000 SN65C23243DGGR 65C23243 † Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at www.ti.com/sc/package. 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. DGG OR DL PACKAGE (TOP VIEW) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 RIN5A RIN4A RIN3A RIN2A RIN1A INVA DOUT3A DOUT2A DOUT1A FORCEOFFA C2− C2+ GND VCC FORCEOFFB DOUT1B DOUT2B DOUT3B INVB RIN1B RIN2B RIN3B RIN4B RIN5B ROUT5A ROUT4A ROUT3A ROUT2A ROUT1A ROUT2A DIN3A DIN2A DIN1A FORCEON V− V+ C1+ C1− GND DIN1B DIN2B DIN3B ROUT2B ROUT1B ROUT2B ROUT3B ROUT4B ROUT5B IBM is a trademark 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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