Overview
The SN65C3232EPWG4, produced by Texas Instruments, is a dual-channel RS-232 transceiver designed to provide the electrical interface between an asynchronous communication controller and the serial-port connector. This device is part of the SN65C3232 and SN75C3232 family, which includes two line drivers, two line receivers, and a dual charge-pump circuit. It operates with a single 3-V to 5.5-V supply and is capable of data signaling rates up to 1 Mbit/s. The device features ±15-kV ESD protection on RS-232 bus pins, making it robust against electrostatic discharge.
Key Specifications
| Parameter | Min | Nom | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (VCC) | 3.0 | 3.3 / 5.0 | 3.6 / 5.5 | V |
| Driver High-Level Input Voltage (VIH) | 2.0 | - | - | V |
| Driver Low-Level Input Voltage (VIL) | 0.8 | - | - | V |
| Supply Current (ICC) | 0.3 | 1 | - | mA |
| Maximum Data Rate | 250 | - | - | kbit/s |
| ESD Protection (HBM) | - | - | ±15,000 | V |
| Operating Temperature (TA) | -40 | - | 85 | °C |
Key Features
- Operates with 3-V to 5.5-V VCC supply.
- Supports data signaling rates up to 1 Mbit/s.
- Low supply current: 300 μA typical.
- Requires four external 0.1 μF capacitors.
- Accepts 5-V logic input with 3.3-V supply.
- ±15-kV ESD protection on RS-232 bus pins using human-body model (HBM).
- Meets TIA/EIA-232-F requirements.
- Outputs protected against shorts to ground.
Applications
- Industrial PCs.
- Wired networking.
- Data center and enterprise computing.
- Battery-powered systems.
- Notebooks and laptops.
- Palmtop PCs and hand-held equipment.
Q & A
- What is the operating voltage range of the SN65C3232EPWG4?
The SN65C3232EPWG4 operates with a single 3-V to 5.5-V supply.
- What is the maximum data rate supported by the SN65C3232EPWG4?
The device supports data signaling rates up to 1 Mbit/s.
- How much ESD protection does the SN65C3232EPWG4 offer?
The device offers ±15-kV ESD protection on RS-232 bus pins using the human-body model (HBM).
- What are the typical operating temperatures for the SN65C3232EPWG4?
The operating temperature range is from -40°C to 85°C.
- Does the SN65C3232EPWG4 require external capacitors?
- Can the SN65C3232EPWG4 accept 5-V logic input with a 3.3-V supply?
- What standards does the SN65C3232EPWG4 meet?
The device meets TIA/EIA-232-F requirements.
- Are the outputs of the SN65C3232EPWG4 protected against shorts to ground?
- What are some common applications of the SN65C3232EPWG4?
- How many line drivers and receivers does the SN65C3232EPWG4 have?
