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SN65C3223EDWR Datasheet(PDF) 1 Page - Texas Instruments |
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SN65C3223EDWR Datasheet(HTML) 1 Page - Texas Instruments |
1 / 20 page www.ti.com FEATURES APPLICATIONS DESCRIPTION/ORDERING DB, DW, OR PW PACKAGE (TOP VIEW) 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 EN C1+ V+ C1− C2+ C2− V− DOUT2 RIN2 ROUT2 FORCEOFF VCC GND DOUT1 RIN1 ROUT1 FORCEON DIN1 DIN2 INVALID NC − No internal connection RHL PACKAGE (TOP VIEW) 1 24 12 13 2 3 4 5 6 7 8 9 10 11 23 22 21 20 19 18 17 16 15 14 VCC NC GND DOUT1 RIN1 ROUT1 FORCEON DIN1 NC DIN2 C1+ NC V+ C1– C2+ C2– V– DOUT2 NC RIN2 Flexible control options for power management are available when the serial port is inactive. The SN65C3223E ,, SN75C3223E 3-V TO 5.5-V MULTICHANNEL RS-232 LINE DRIVERS/RECEIVERS WITH ±15-kV ESD PROTECTION SLLS727A – MAY 2006 – REVISED JULY 2006 • ESD Protection for RS-232 Bus Pins – ±15-kV Human-Body Model (HBM) – ±8-kV IEC 61000-4-2, Contact Discharge – ±15-kV IEC 61000-4-2, Air-Gap Discharge • Meet or Exceed the Requirements of TIA/EIA-232-F and ITU v.28 Standards • Operate With 3-V to 5.5-V VCC Supply • Operate up to 1000 kbit/s • Two Drivers and Two Receivers • Low Standby Current . . . 1 µA Typ • External Capacitors . . . 4 × 0.1 µF • Accepts 5-V Logic Input With 3.3-V Supply • Battery-Powered Systems • PDAs • Notebooks • Laptops • Palmtop PCs • Hand-Held Equipment INFORMATION The SN65C3223E and SN75C3223E consist of two line drivers, two 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. The charge pump and four small external capacitors allow operation from a single 3-V to 5.5-V supply. The devices operate at typical data signaling rates up to 1000 kbit/s. auto-powerdown feature functions when FORCEON is low and FORCEOFF is high. During this mode of operation, if the devices do not sense a valid RS-232 signal, the driver outputs are disabled. If FORCEOFF is set low and EN is high, both drivers and receivers are shut off, and the supply current is reduced to 1 mA. Disconnecting the serial port or turning off the peripheral drivers causes auto-powerdown to occur. Auto-powerdown can be disabled when FORCEON and FORCEOFF are high. With auto-powerdown enabled, the devices are activated automatically when a valid signal is applied to any receiver input. The INVALID output is used to notify the user if an RS-232 signal is present at any receiver input. INVALID is high (valid data) if any receiver input voltage is greater than 2.7 V or less than –2.7 V, or has been between –0.3 V and 0.3 V for less than 30 µs. INVALID is low (invalid data) if the receiver input voltage is between –0.3 V and 0.3 V for more than 30 µs. Refer to Figure 4 for receiver input levels. 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. PRODUCTION DATA information is current as of publication date. Copyright © 2006, 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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