ICL3243ECVZ-T

Product Overview

Category: Integrated Circuit (IC)

Use: The ICL3243ECVZ-T is a high-performance, 3.3V powered RS-232 transceiver IC. It is designed to facilitate bidirectional communication between TTL/CMOS logic levels and RS-232 interface signals.

Characteristics: - Voltage Level Translation: The ICL3243ECVZ-T provides voltage level translation between the low-voltage TTL/CMOS logic levels and the higher-voltage RS-232 signals. - ESD Protection: This IC offers enhanced Electrostatic Discharge (ESD) protection, ensuring reliable operation in harsh environments. - Low Power Consumption: The ICL3243ECVZ-T is optimized for low power consumption, making it suitable for battery-powered applications. - Wide Operating Temperature Range: It can operate within a wide temperature range, typically from -40°C to +85°C.

Package: The ICL3243ECVZ-T is available in a compact 20-pin SSOP (Shrink Small Outline Package) package.

Essence: The essence of the ICL3243ECVZ-T lies in its ability to provide seamless integration between TTL/CMOS logic levels and RS-232 interface signals, enabling efficient data transfer between devices operating at different voltage levels.

Packaging/Quantity: The ICL3243ECVZ-T is typically sold in reels containing 2500 units per reel.

Specifications

• Supply Voltage: 3.3V
• Data Rate: Up to 1Mbps
• Number of Channels: 3
• Logic Family: CMOS/TTL
• Operating Temperature Range: -40°C to +85°C
• ESD Protection: ±15kV (Human Body Model)
• Package Type: 20-pin SSOP

Detailed Pin Configuration

The ICL3243ECVZ-T features a 20-pin SSOP package with the following pin configuration:

1. VCC
2. GND
3. T1OUT
4. R1IN
5. R1OUT
6. T1IN
7. T2OUT
8. R2IN
9. R2OUT
10. T2IN
11. T3OUT
12. R3IN
13. R3OUT
14. T3IN
15. DE
16. /RE
17. /SHDN
18. C1-
19. C1+
20. VCC

Functional Features

• Voltage Level Translation: The ICL3243ECVZ-T translates TTL/CMOS logic levels to RS-232 interface signals and vice versa.
• Enhanced ESD Protection: It provides robust protection against Electrostatic Discharge (ESD) events, ensuring reliable operation in challenging environments.
• Auto Power Shutdown: The IC includes a power shutdown feature that reduces power consumption when not in use.
• Receiver Hysteresis: The receiver inputs incorporate hysteresis to improve noise immunity and signal integrity.

Advantages and Disadvantages

Advantages: - Seamless voltage level translation between TTL/CMOS and RS-232 signals. - Enhanced ESD protection for reliable operation in harsh environments. - Low power consumption, suitable for battery-powered applications. - Wide operating temperature range for versatile usage.

Disadvantages: - Limited to 3 channels, may not be suitable for applications requiring more channels. - Requires external capacitors for proper operation.

Working Principles

The ICL3243ECVZ-T operates by converting TTL/CMOS logic levels to RS-232 voltage levels using internal charge pumps and voltage level shifters. It ensures bidirectional communication between devices operating at different voltage levels by translating the signals appropriately. The IC incorporates ESD protection circuitry to safeguard against electrostatic discharge events.

Detailed Application Field Plans

The ICL3243ECVZ-T finds applications in various fields, including but not limited to: - Industrial automation - Telecommunications - Networking equipment - Medical devices - Consumer electronics

In industrial automation, it can be used for connecting microcontrollers or PLCs (Programmable Logic Controllers) to RS-232 devices such as sensors, actuators, and displays. In telecommunications and networking, it enables communication between microcontrollers and RS-232-based modems, routers, and switches. In medical devices, it facilitates data exchange between embedded systems and RS-232-enabled medical equipment. Additionally, it can be utilized in consumer electronics for interfacing microcontrollers with RS-232 peripherals like barcode scanners and printers.

Detailed and Complete Alternative Models

1. MAX3232EIPWR: This IC offers similar functionality to the ICL3243ECVZ-T and is available in a 20-pin TSSOP package.
2. SP3232EEN-L