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SN65C3221-Q1 Datasheet 3-v To 5.5-v Single-channel Rs-232 Compatible Line Driver/receiver

Manufacturer: Texas Instruments

Overview: ą SN65C3221ĆQ1 3ĆV TO 5.5ĆV SINGLEĆCHANNEL RSĆ232 COMPATIBLE LINE DRIVER/RECEIVER ą SLLS616B − APRIL 2004 − REVISED APRIL 2008 D Qualified for Automotive Applications D Operates With 3-V to 5.5-V VCC Supply D Operates Up To 1 Mbit/s D Low Standby Current . . . 1 µA Typical D External Capacitors . . . 4 × 0.1 µF D Accepts 5-V Logic Input With 3.

General Description

/ordering information The SN65C3221 consists of one line driver, one line receiver, and a dual charge-pump circuit with ±15-kV ESD protection pin to pin (serial-port connection pins, including GND).

This device provides 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.

SN65C3221-Q1 Distributor