DS14C232TMX/NOPB

Product Overview

• Category: Integrated Circuit
• Use: Serial Communication Interface
• Characteristics: High-speed, Dual Transmitter/Receiver
• Package: 16-pin SOIC (Small Outline Integrated Circuit)
• Essence: Reliable and efficient serial communication interface
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage: 4.5V to 5.5V
• Data Rate: Up to 1 Mbps
• Operating Temperature Range: -40°C to +85°C
• Number of Channels: 2
• Transmitter Output Voltage: 5V
• Receiver Input Voltage: 5V
• Standby Current: 1µA (typical)

Pin Configuration

The DS14C232TMX/NOPB has a 16-pin SOIC package with the following pin configuration:

1. VCC - Power Supply
2. GND - Ground
3. T1OUT - Transmitter 1 Output
4. R1IN - Receiver 1 Input
5. R1OUT - Receiver 1 Output
6. T1IN - Transmitter 1 Input
7. R2OUT - Receiver 2 Output
8. T2IN - Transmitter 2 Input
9. T2OUT - Transmitter 2 Output
10. R2IN - Receiver 2 Input
11. CTS1 - Clear To Send 1
12. RTS1 - Request To Send 1
13. CTS2 - Clear To Send 2
14. RTS2 - Request To Send 2
15. EXTCLK - External Clock Input
16. NC - No Connection

Functional Features

• Dual Transmitter/Receiver allows simultaneous communication on two channels
• High-speed data transfer up to 1 Mbps
• Supports full-duplex communication
• Built-in protection against electrostatic discharge (ESD)
• Low standby current for power-saving applications

Advantages and Disadvantages

Advantages

• Dual-channel capability enables efficient multi-device communication
• High-speed data transfer facilitates quick and reliable communication
• ESD protection ensures device durability
• Low standby current minimizes power consumption

Disadvantages

• Limited to 5V voltage levels, not compatible with lower voltage systems
• Requires external clock input for synchronous operation

Working Principles

The DS14C232TMX/NOPB is an integrated circuit designed for serial communication. It consists of two independent transmitter/receiver channels that allow bidirectional data transfer between devices. The device operates by converting parallel data into serial format for transmission and vice versa for reception.

The transmitter section receives parallel data from the host device and converts it into a serial stream. This stream is then transmitted through the T1OUT or T2OUT pins, depending on the selected channel. On the receiving end, the receiver section accepts the serial data and converts it back into parallel format for further processing.

The device supports full-duplex communication, allowing simultaneous transmission and reception on separate channels. It also incorporates ESD protection to safeguard against electrostatic discharge, ensuring device reliability.

Detailed Application Field Plans

The DS14C232TMX/NOPB finds application in various fields where reliable and high-speed serial communication is required. Some potential application areas include:

1. Industrial Automation: Used for communication between PLCs (Programmable Logic Controllers) and peripheral devices such as sensors, actuators, and HMIs (Human Machine Interfaces).
2. Telecommunications: Employed in networking equipment for data transmission between routers, switches, and other network devices.
3. Automotive Electronics: Integrated into automotive systems for communication between different modules, such as engine control units, infotainment systems, and instrument clusters.
4. Medical Devices: Utilized in medical equipment for data exchange between monitoring devices, diagnostic tools, and central processing units.
5. Consumer Electronics: Incorporated in devices like printers, scanners, and digital cameras to enable seamless communication with computers or other peripherals.

Detailed and Complete Alternative Models

1. MAX232: A popular alternative offering similar functionality but operating at lower voltage levels (3.3V).
2. MAX3232: Another alternative with enhanced ESD protection and compatibility with both 3.3V and 5V systems.
3. LTC2874: Provides advanced features like hot-swappable capability and higher data rates (up to 20 Mbps).

These alternative models offer flexibility in terms of voltage compatibility, additional features, and higher data rates, catering to specific application requirements.

In conclusion, the DS14C232TMX/NOPB is a reliable and efficient integrated circuit designed for high-speed serial communication. Its dual-channel capability, ESD protection, and low standby current make it suitable for various