ICL3243ECBZ

Product Overview

Category: Integrated Circuit (IC)

Use: The ICL3243ECBZ 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 ICL3243ECBZ provides voltage level translation between the low-voltage TTL/CMOS logic levels and the higher RS-232 interface signals. - ESD Protection: This IC offers enhanced Electrostatic Discharge (ESD) protection, ensuring reliable operation in harsh environments. - Low Power Consumption: The ICL3243ECBZ is designed to consume minimal power, 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 ICL3243ECBZ is available in a small form factor package known as SSOP (Shrink Small Outline Package). This package allows for easy integration into space-constrained designs.

Essence: The essence of the ICL3243ECBZ lies in its ability to provide seamless communication between TTL/CMOS logic levels and RS-232 interface signals, enabling compatibility between different systems.

Packaging/Quantity: The ICL3243ECBZ is typically sold in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

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

Detailed Pin Configuration

The ICL3243ECBZ has a total of 20 pins, which are assigned specific functions. The pin configuration is as follows:

1. VCC - Power Supply
2. GND - Ground
3. T1OUT - Transmitter 1 Output
4. R1IN - Receiver 1 Input
5. T2OUT - Transmitter 2 Output
6. R2IN - Receiver 2 Input
7. T3OUT - Transmitter 3 Output
8. R3IN - Receiver 3 Input
9. DE - Driver Enable
10. RE - Receiver Enable
11. C1+ - Capacitor 1 Positive Terminal
12. C1- - Capacitor 1 Negative Terminal
13. C2+ - Capacitor 2 Positive Terminal
14. C2- - Capacitor 2 Negative Terminal
15. C3+ - Capacitor 3 Positive Terminal
16. C3- - Capacitor 3 Negative Terminal
17. RS-232 OUT - RS-232 Output
18. RS-232 IN - RS-232 Input
19. SHDN - Shutdown
20. VCC - Power Supply

Functional Features

• Logic Level Translation: The ICL3243ECBZ translates the TTL/CMOS logic levels to RS-232 interface signals and vice versa, ensuring seamless communication between different systems.
• Enhanced ESD Protection: This IC provides robust ESD protection, safeguarding against electrostatic discharge events that could damage the circuitry.
• Driver and Receiver Enable Control: The DE (Driver Enable) and RE (Receiver Enable) pins allow for control over the driver and receiver sections, enabling power-saving modes when not in use.
• Shutdown Functionality: The SHDN pin allows for the shutdown of the IC, reducing power consumption during idle periods.

Advantages and Disadvantages

Advantages: - Wide operating temperature range makes it suitable for various environments. - Low power consumption is ideal for battery-powered applications. - Enhanced ESD protection ensures reliability in harsh conditions. - Small form factor package enables easy integration into space-constrained designs.

Disadvantages: - Limited to 3 channels, which may not be sufficient for certain applications requiring more channels. - Higher cost compared to simpler voltage level translators.

Working Principles

The ICL3243ECBZ operates by converting the TTL/CMOS logic levels to RS-232 interface signals and vice versa. It utilizes internal circuitry to perform the necessary voltage level translation, allowing for bidirectional communication between different systems. The driver and receiver sections are controlled using the DE (Driver Enable) and RE (Receiver Enable) pins, providing flexibility and power-saving options. The IC also incorporates enhanced ESD protection to ensure reliable operation in challenging environments.

Detailed Application Field Plans

The ICL3243ECBZ finds application in various fields where seamless communication between TTL/CMOS logic levels and RS-232 interface signals is required. Some of the potential application