ICL3238EIA-T

Product Overview

Category: Integrated Circuit (IC)

Use: The ICL3238EIA-T is a high-speed, low-power, 3.3V RS-232 transceiver IC. It is designed to facilitate bidirectional data transfer between a microcontroller or other digital logic circuitry and devices operating with RS-232 interface.

Characteristics: - High-speed operation - Low power consumption - Supports RS-232 voltage levels - Wide operating temperature range - Compact package size

Package: The ICL3238EIA-T is available in a small outline integrated circuit (SOIC) package.

Essence: This IC serves as an interface between digital logic circuits and RS-232 devices, enabling reliable communication by converting voltage levels and handling signal transmission and reception.

Packaging/Quantity: The ICL3238EIA-T is typically sold in reels containing a quantity of 2500 units.

Specifications

• Supply Voltage: 3.0V to 5.5V
• Data Rate: Up to 1Mbps
• Operating Temperature Range: -40°C to +85°C
• Number of Pins: 16
• RoHS Compliant: Yes

Detailed Pin Configuration

The ICL3238EIA-T has the following pin configuration:

| Pin No. | Name | Description | |---------|------|-------------| | 1 | VCC | Power supply voltage input | | 2 | GND | Ground reference | | 3 | T1IN | Transmit data input | | 4 | R1OUT| Receive data output | | 5 | R1IN | Receive data input | | 6 | T1OUT| Transmit data output | | 7 | T2IN | Transmit data input | | 8 | R2OUT| Receive data output | | 9 | R2IN | Receive data input | | 10 | T2OUT| Transmit data output | | 11 | CTS1| Clear to Send input/output for channel 1 | | 12 | RTS1| Request to Send output/input for channel 1 | | 13 | CTS2| Clear to Send input/output for channel 2 | | 14 | RTS2| Request to Send output/input for channel 2 | | 15 | V- | Negative power supply voltage input | | 16 | V+ | Positive power supply voltage input |

Functional Features

• Supports two independent RS-232 channels
• Automatic power-down mode when not in use
• Enhanced electrostatic discharge (ESD) protection
• Integrated charge pump circuitry for voltage level conversion
• Flow control using CTS and RTS signals

Advantages and Disadvantages

Advantages: - High-speed operation allows for quick data transfer - Low power consumption helps conserve energy - Wide operating temperature range enables usage in various environments - Compact package size saves board space - ESD protection ensures reliability

Disadvantages: - Requires external capacitors for voltage level conversion - Limited to RS-232 interface, not compatible with other protocols

Working Principles

The ICL3238EIA-T operates by converting the logic-level signals from a microcontroller or digital logic circuitry into RS-232 voltage levels. It uses an integrated charge pump circuit to generate the required positive and negative voltages for RS-232 communication. The IC also incorporates flow control functionality through the CTS and RTS signals, allowing for efficient data transmission.

Detailed Application Field Plans

The ICL3238EIA-T finds applications in various fields, including: 1. Industrial automation 2. Telecommunications 3. Networking equipment 4. Medical devices 5. Consumer electronics

In industrial automation, it can be used to connect microcontrollers to RS-232 devices such as sensors and actuators. In telecommunications and networking, the IC enables communication between routers, switches, and other network equipment. Medical devices often utilize RS-232 for data exchange, and the ICL3238EIA-T facilitates this connectivity. Additionally, it can be found in consumer electronics like set-top boxes and gaming consoles that require RS-232 interface support.

Detailed and Complete Alternative Models

Some alternative models to the ICL3238EIA-T include: 1. MAX3232EIPWR 2. SP3232EEN-L/TR 3. ADM3202ARNZ 4. LTC1387CG#PBF 5. ST3232EBDR

These alternatives offer similar functionality and are compatible with RS-232 interfaces. However, they may differ in terms of package type, voltage range, or additional features. It is important to review the datasheets of these alternatives to