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SN75C23243DGGR-SN75C23243DLR Fast Delivery,Good Price
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SN75C23243DGGRTEXASN/a35avai3-V to 5.5-V Dual RS-232 Port
SN75C23243DGGRTIN/a990avai3-V to 5.5-V Dual RS-232 Port
SN75C23243DLRTIN/a1338avai3-V to 5.5-V Dual RS-232 Port


SN75C23243DLR ,3-V to 5.5-V Dual RS-232 Port       SLLS513A − AUGUST 2001 − REVISED MARCH 2004DGG OR ..
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SN75C23243DGGR-SN75C23243DLR
3-V to 5.5-V Dual RS-232 Port
Always-Active Noninverting ReceiverOutput (ROUT2) Per Port Operate Up To 250 kbit/s Low Standby Current...1 µA Typical External Capacitors ...4 × 0.22 µF Accept 5-V Logic Input With 3.3-V Supply Allow for Flexible Power Down of Either
Serial Port
Serial-Mouse Driveability RS-232 Bus-Pin ESD Protection Exceeds
±15 kV Using Human-Body Model (HBM) 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

†Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are
available at www.ti.com/sc/package.
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.
RIN3A
RIN2A
RIN1A
INVA
DOUT3A
DOUT2A
DOUT1A
FORCEOFFA
C2−
C2+
GND
VCC
FORCEOFFB
DOUT1B
DOUT2B
DOUT3B
INVB
RIN1B
RIN2B
RIN3B
RIN4B
RIN5B
ROUT3A
ROUT2A
ROUT1A
ROUT2A
DIN3A
DIN2A
DIN1A
FORCEON
C1+
C1−
GND
DIN1B
DIN2B
DIN3B
ROUT2B
ROUT1B
ROUT2B
ROUT3B
ROUT4B
ROUT5B
IBM is a trademark of International Business Machines Corporation.
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