TRS3232CDR

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1. Description

The TRS3232CDR consists of two line drivers, two line receivers, and a dual charge-pump circuit with ±15-kV ESD protection terminal-to-terminal (serialport connection terminals, including GND). The device meets the requirements of TIA/EIA-232-F and 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 one 3-V to 5.5-V supply. The devices operate at datasignaling rates up to 250 kbps and a maximum of 30-V/μs driver-output slew rate.

2. Features

    1. RS-232 Bus-terminal ESD protection exceeds ±15 kV using human-body model (HBM)

    2. Meets or exceeds the requirements of TIA/EIA-232-F and ITU V.28 standards

    3. Operates with 3-V to 5.5-V VCC supply

    4. Operates up to 250 kbps

    5. Two drivers and two receivers

    6. Low supply current: 300-μA typical

    7. External capacitors: 4 × 0.1 μF

    8. Accepts 5-V logic input with 3.3-V supply

    9. Alternative high-speed terminal-compatible devices s (1 Mbps)

        – SN65C3232 (–40°C to 85°C)

        – SN75C3232 (0°C to 70°C)

3. Applications

    1. Industrial PCs

    2. Wired networking

    3. Data cneter and enterprise computing

    4. Battery-powered systems

    5. Notebooks

    6. Laptops

    7. Palmtop PCs

    8. Hand-held equipment

4. Pin configuration

5. Pin function

6. Package outline