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TRSF3243 Datasheet 3-v To 5.5-v Multichannel Rs-232 Compatible Line Driver/receiver

Manufacturer: Texas Instruments

Overview: TRSF3243 SLLS862B – AUGUST 2007 – REVISED OCTOBER 2022 3-V to 5.

Datasheet Details

Part number TRSF3243
Manufacturer Texas Instruments
File Size 970.73 KB
Description 3-V to 5.5-V Multichannel RS-232 Compatible Line Driver/Receiver
Datasheet TRSF3243-etcTI.pdf

General Description

The TRSF3243 consists of three line drivers, five line receivers, 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.

Key Features

  • Operates with 3-V to 5.5-V VCC supply.
  • Always-active noninverting receiver output (ROUT2B).
  • Low standby current: 1 μA typical.
  • External capacitors: 4 × 0.1 μF.
  • Accepts 5-V logic input with 3.3-V supply.
  • Inter-operable with SN65C3238, SN75C3238.
  • Supports operation from 250 kbit/s to 1 Mbit/s.
  • RS-232 Bus-pin esd protection exceeds ±15 kV using human-body model (HBM) 2.

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