74LCXH245MTCX

Product Overview

• Category: Integrated Circuit (IC)
• Use: Level Shifter and Bus Transceiver
• Characteristics: Low Voltage, High-Speed CMOS Technology
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Bidirectional Voltage-Level Translator
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Supply Voltage Range: 1.65V to 3.6V
• Input Voltage Range: -0.5V to VCC + 0.5V
• Output Voltage Range: 0V to VCC
• Maximum Operating Frequency: 400 MHz
• Number of Channels: 8
• Logic Family: LCX

Detailed Pin Configuration

The 74LCXH245MTCX IC has a total of 20 pins, which are arranged as follows:

1. OE (Output Enable) - Output Enable Control Input
2. DIR (Direction Control) - Direction Control Input
3. A1 - Data Input/Output Channel 1
4. B1 - Data Input/Output Channel 1
5. GND (Ground) - Ground Connection
6. B2 - Data Input/Output Channel 2
7. A2 - Data Input/Output Channel 2
8. VCC - Power Supply Connection
9. A3 - Data Input/Output Channel 3
10. B3 - Data Input/Output Channel 3
11. A4 - Data Input/Output Channel 4
12. B4 - Data Input/Output Channel 4
13. A5 - Data Input/Output Channel 5
14. B5 - Data Input/Output Channel 5
15. A6 - Data Input/Output Channel 6
16. B6 - Data Input/Output Channel 6
17. A7 - Data Input/Output Channel 7
18. B7 - Data Input/Output Channel 7
19. A8 - Data Input/Output Channel 8
20. B8 - Data Input/Output Channel 8

Functional Features

• Bidirectional voltage-level translation between two different voltage domains.
• Allows interfacing between devices operating at different voltage levels.
• Supports both unidirectional and bidirectional data flow.
• High-speed operation with low power consumption.
• Provides output enable and direction control for flexible data transfer.

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various systems. - High-speed operation enables efficient data transfer. - Low power consumption helps in reducing overall system energy usage. - Bidirectional functionality simplifies the design of multi-voltage level systems.

Disadvantages: - Limited number of channels (8) may not be sufficient for complex applications. - Requires careful consideration of voltage compatibility to avoid damage to connected devices. - Sensitivity to noise and voltage spikes may require additional protection circuitry.

Working Principles

The 74LCXH245MTCX is a bidirectional voltage-level translator that allows seamless communication between devices operating at different voltage levels. It utilizes high-speed CMOS technology to achieve fast data transfer while consuming minimal power.

The IC features eight data input/output channels, which can be controlled using the output enable (OE) and direction control (DIR) inputs. The OE input enables or disables the outputs, while the DIR input determines the direction of data flow.

By applying appropriate voltage levels to the DIR pin, the IC can perform bidirectional data transfer between two voltage domains. The voltage translation is achieved by utilizing a combination of MOSFETs and level-shifting circuitry.

Detailed Application Field Plans

The 74LCXH245MTCX IC finds applications in various fields where voltage-level translation is required. Some of the common application areas include:

1. Microcontroller Interfacing: The IC enables communication between microcontrollers operating at different voltage levels, facilitating seamless integration into multi-voltage systems.

2. Communication Systems: It can be used in data transmission systems to interface between devices operating at different voltage domains, ensuring reliable and efficient data transfer.

3. Industrial Automation: The IC plays a crucial role in industrial automation systems, allowing interfacing between sensors, actuators, and control units operating at different voltage levels.

4. Consumer Electronics: It finds applications in consumer electronic devices such as smartphones, tablets, and gaming consoles, enabling communication between components with varying voltage requirements.

Detailed and Complete Alternative Models

• SN74LVC245A: Octal Bus Transceiver with 3-State Outputs
• MC74VHC245: Octal Bus Transceiver with 3-State Outputs
• CD74HCT245: High-Speed CMOS Logic Octal Bus Transceiver

These alternative models offer similar functionality and can be considered as alternatives to the 74LCXH245M