74LCXH245MTC

Product Overview

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

Specifications

• Supply Voltage: 1.65V to 3.6V
• Logic Family: LCX
• Number of Channels: 8
• Input/Output Type: CMOS/TTL Compatible
• Data Rate: 400 Mbps (Megabits per second)
• Propagation Delay: 2.5 ns (nanoseconds) typical
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The 74LCXH245MTC has a total of 20 pins arranged as follows:

__ __ A1 |1 \__/ 20| VCC B1 |2 19| OE# A2 |3 18| I/O1B B2 |4 17| I/O2B A3 |5 16| I/O3B B3 |6 15| I/O4B A4 |7 14| I/O5B B4 |8 13| I/O6B GND |9 12| I/O7B GND |10 11| I/O8B ----------

Functional Features

• Bidirectional voltage level shifting between two logic levels.
• Allows interfacing between systems operating at different voltage levels.
• Provides voltage translation between 3.3V and 5V logic levels.
• Supports bi-directional data flow with automatic direction control.
• Enables seamless communication between devices with different voltage requirements.

Advantages

• Low voltage operation allows compatibility with modern low-power systems.
• High-speed data transmission capability enhances overall system performance.
• Bidirectional functionality simplifies circuit design and reduces component count.
• CMOS/TTL compatibility ensures easy integration with existing logic circuits.
• Small package size (TSSOP) saves board space in compact designs.

Disadvantages

• Limited to a maximum data rate of 400 Mbps, which may not be sufficient for some high-speed applications.
• Requires careful consideration of voltage level compatibility to avoid signal degradation or damage to connected devices.
• Not suitable for applications requiring voltage translation beyond the specified supply voltage range.

Working Principles

The 74LCXH245MTC is a bidirectional level shifter and bus transceiver. It operates by translating logic signals between two different voltage levels, allowing seamless communication between systems operating at different voltages. The device automatically controls the direction of data flow based on the input/output enable signals. It utilizes CMOS technology to achieve low power consumption and high-speed data transmission.

Detailed Application Field Plans

The 74LCXH245MTC finds applications in various fields where voltage level translation and bidirectional data transfer are required. Some common application areas include:

1. Embedded Systems: Used to interface microcontrollers with peripherals operating at different voltage levels.
2. Communication Systems: Facilitates communication between devices with varying logic voltage levels, such as UART, SPI, or I2C interfaces.
3. Industrial Automation: Enables connectivity between sensors, actuators, and control units operating at different voltage domains.
4. Consumer Electronics: Allows interconnection between components like displays, memory modules, and microprocessors with different voltage requirements.
5. Automotive Electronics: Used in automotive systems to interface between different voltage domains, such as CAN bus transceivers.

Detailed and Complete Alternative Models

1. SN74LVC245A: Similar bidirectional level shifter with 3.3V to 5V voltage translation capability.
2. TXB0108: Eight-channel bi-directional voltage-level translator with automatic direction control.
3. PCA9306: Dual bidirectional I2C-bus and SMBus voltage-level translator.
4. CD4504B: Hex non-inverting level shifter for translating TTL/CMOS signals.

These alternative models offer similar functionality and can be considered based on specific application requirements.

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