SN65C3238EDBR

Product Overview

Category: Integrated Circuit (IC)
Use: Serial Communication Interface
Characteristics: High-speed, Low-power, Robust
Package: DSBGA (MicroStar Junior™), 32-Pin
Essence: Transceiver IC for RS-232 and RS-485 Applications
Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

Supply Voltage Range: 3 V to 5.5 V
Data Rate: Up to 1 Mbps
Number of Channels: 2 (RS-232) and 1 (RS-485)
Operating Temperature Range: -40°C to +85°C
ESD Protection: ±15 kV (Human Body Model)

Detailed Pin Configuration

The SN65C3238EDBR has a total of 32 pins. The pin configuration is as follows:

DE (Driver Enable) - RS-485 Driver Enable Input
RE (Receiver Enable) - RS-485 Receiver Enable Input
RO (Receiver Output) - RS-232 Receiver Output
RI (Ring Indicator) - RS-232 Ring Indicator Input
DCD (Data Carrier Detect) - RS-232 Data Carrier Detect Input
DSR (Data Set Ready) - RS-232 Data Set Ready Input
RTS (Request To Send) - RS-232 Request To Send Output
CTS (Clear To Send) - RS-232 Clear To Send Input
GND (Ground) - Ground Reference
VCC (Supply Voltage) - Positive Supply Voltage
TxD (Transmit Data) - RS-232 Transmit Data Input
RxD (Receive Data) - RS-232 Receive Data Output
A (RS-485 Differential Data Line A)
B (RS-485 Differential Data Line B)
GND (Ground) - Ground Reference
VCC (Supply Voltage) - Positive Supply Voltage
NC (No Connection)
NC (No Connection)
NC (No Connection)
NC (No Connection)
NC (No Connection)
NC (No Connection)
NC (No Connection)
NC (No Connection)
NC (No Connection)
NC (No Connection)
NC (No Connection)
NC (No Connection)
NC (No Connection)
NC (No Connection)
NC (No Connection)
NC (No Connection)

Functional Features

The SN65C3238EDBR offers the following functional features:

Dual-mode operation: RS-232 and RS-485
Automatic direction control for RS-485 mode
Low-power shutdown mode
Robust ESD protection
Wide supply voltage range
High-speed data transmission

Advantages and Disadvantages

Advantages: - Versatile transceiver supporting both RS-232 and RS-485 interfaces - High-speed data transfer up to 1 Mbps - Robust ESD protection ensures reliability - Low-power shutdown mode for energy efficiency

Disadvantages: - Limited number of channels (2 for RS-232, 1 for RS-485) - No built-in flow control mechanism

Working Principles

The SN65C3238EDBR operates as a transceiver for RS-232 and RS-485 communication. In RS-232 mode, it receives and transmits data using standard voltage levels. In RS-485 mode, it supports differential signaling for long-distance communication. The automatic direction control feature enables seamless switching between transmit and receive modes in RS-485 mode.

Detailed Application Field Plans

The SN65C3238EDBR is widely used in various applications, including:

Industrial automation systems
Building automation and control systems
Data communication equipment
Point-of-sale terminals
Security systems
Medical devices
Test and measurement instruments

Detailed and Complete Alternative Models

MAX3232EIPWR - Maxim Integrated - RS-232 Transceiver IC
MAX485CPA+ - Maxim Integrated - RS-485 Transceiver IC
SP3232EEY-L/TR - Exar Corporation - RS-232 Transceiver IC
LTC2859IMS#PBF - Analog Devices - RS-485 Transceiver IC
ST3232EBDR - STMicroelectronics - RS-232 Transceiver IC

These alternative models offer similar functionality and can be considered as alternatives to the SN65C3238EDBR.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SN65C3238EDBR v technických řešeních

Sure! Here are 10 common questions and answers related to the application of SN65C3238EDBR in technical solutions:

Q: What is SN65C3238EDBR? A: SN65C3238EDBR is a high-speed, low-power RS-232 transceiver IC commonly used for serial communication in various technical solutions.
Q: What is the operating voltage range of SN65C3238EDBR? A: The operating voltage range of SN65C3238EDBR is typically between 3.0V and 5.5V.
Q: Can SN65C3238EDBR be used for both transmitting and receiving data? A: Yes, SN65C3238EDBR can be used for both transmitting and receiving data over an RS-232 interface.
Q: What is the maximum data rate supported by SN65C3238EDBR? A: SN65C3238EDBR supports a maximum data rate of up to 1 Mbps.
Q: Does SN65C3238EDBR have built-in ESD protection? A: Yes, SN65C3238EDBR has built-in ESD protection, which helps protect the IC from electrostatic discharge events.
Q: Can SN65C3238EDBR be used in industrial applications? A: Yes, SN65C3238EDBR is suitable for use in industrial applications due to its robustness and wide operating temperature range.
Q: Is SN65C3238EDBR compatible with TTL logic levels? A: Yes, SN65C3238EDBR is compatible with both RS-232 and TTL logic levels, making it versatile for different applications.
Q: Does SN65C3238EDBR require external capacitors for operation? A: Yes, SN65C3238EDBR requires external capacitors for proper operation. The datasheet provides guidelines for selecting the appropriate capacitors.
Q: Can SN65C3238EDBR be used in battery-powered devices? A: Yes, SN65C3238EDBR is suitable for battery-powered devices as it operates at low power and has a wide supply voltage range.
Q: Are there any application notes or reference designs available for SN65C3238EDBR? A: Yes, Texas Instruments provides application notes and reference designs that can help with the implementation of SN65C3238EDBR in various technical solutions.

Please note that these answers are general and may vary depending on specific design requirements and application scenarios. It's always recommended to refer to the datasheet and consult with the manufacturer for detailed information.