Overview
The SN65C3232EDW is a dual-channel RS-232 line driver/receiver produced by Texas Instruments. This integrated circuit is designed to provide the electrical interface between an asynchronous communication controller and the serial-port connector. It features a dual charge-pump circuit that allows operation from a single 3-V to 5.5-V supply, along with ±15-kV ESD protection for the RS-232 pins. The device supports data signaling rates up to 1 Mbit/s and includes two line drivers and two line receivers, making it suitable for a variety of applications requiring reliable serial communication.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | 16-SOIC (0.295", 7.50mm Width) |
| Number of Drivers/Receivers | 2/2 |
| Duplex | Full |
| Receiver Hysteresis | 300 mV |
| Data Rate | Up to 1 Mbps |
| Supply Voltage | 3 V to 5.5 V |
| Operating Temperature Range | -40°C to 85°C |
| Mounting Type | Surface Mount |
| ESD Protection | ±15 kV Human-body model (HBM), ±15 kV IEC 61000-4-2 Air-gap discharge, ±8 kV IEC 61000-4-2 Contact discharge |
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 small external capacitors (4 × 0.1 µF)
- Accepts 5-V logic input with 3.3-V supply
- Latch-up performance exceeds 100 mA per JESD 78, class II
- ±15-kV ESD protection for RS-232 pins
Applications
- Industrial PCs
- Wired networking
- Data center and enterprise computing
- Battery-powered systems
- Notebooks and laptops
- Palmtop PCs
- Hand-held equipment
Q & A
- What is the operating voltage range of the SN65C3232EDW?
The SN65C3232EDW operates with a supply voltage range of 3 V to 5.5 V.
- What is the maximum data rate supported by the SN65C3232EDW?
The device supports data signaling rates up to 1 Mbit/s.
- What type of ESD protection does the SN65C3232EDW offer?
The SN65C3232EDW offers ±15-kV ESD protection for RS-232 pins, including Human-body model (HBM), IEC 61000-4-2 Air-gap discharge, and IEC 61000-4-2 Contact discharge.
- What is the typical supply current of the SN65C3232EDW?
The typical supply current is 300 µA.
- Can the SN65C3232EDW accept 5-V logic input with a 3.3-V supply?
- What is the operating temperature range of the SN65C3232EDW?
The operating temperature range is -40°C to 85°C.
- How many drivers and receivers does the SN65C3232EDW have?
The device has two line drivers and two line receivers.
- What type of package does the SN65C3232EDW come in?
The device comes in a 16-pin SOIC (DW) package.
- Does the SN65C3232EDW require external capacitors?
- What are some common applications of the SN65C3232EDW?
