TC74LCX541FT(EL)

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Shifter
• Characteristics: Low voltage, high-speed CMOS technology
• Package: TSSOP-20
• Essence: Bidirectional voltage level translator
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Supply Voltage: 1.65V to 3.6V
• Input Voltage: -0.5V to VCC + 0.5V
• Output Voltage: 0V to VCC
• High-Speed Operation: tpd = 4.2ns (max) at VCC = 3.0V
• Power Dissipation: ICC = 10μA (max) at TA = 25°C
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The TC74LCX541FT(EL) has a total of 20 pins, which are assigned as follows:

• Pin 1: GND (Ground)
• Pin 2: A1 (Input/Output)
• Pin 3: OE (Output Enable)
• Pin 4: I/O1 (Input/Output)
• Pin 5: I/O2 (Input/Output)
• Pin 6: I/O3 (Input/Output)
• Pin 7: I/O4 (Input/Output)
• Pin 8: VCC (Supply Voltage)
• Pin 9: I/O5 (Input/Output)
• Pin 10: I/O6 (Input/Output)
• Pin 11: I/O7 (Input/Output)
• Pin 12: I/O8 (Input/Output)
• Pin 13: GND (Ground)
• Pin 14: DIR (Direction Control)
• Pin 15: I/O9 (Input/Output)
• Pin 16: I/O10 (Input/Output)
• Pin 17: I/O11 (Input/Output)
• Pin 18: I/O12 (Input/Output)
• Pin 19: VCC (Supply Voltage)
• Pin 20: GND (Ground)

Functional Features

The TC74LCX541FT(EL) is a bidirectional voltage level translator designed to shift signals between different voltage domains. It operates with low voltage and utilizes high-speed CMOS technology, making it suitable for applications requiring fast signal transmission.

The device features an output enable pin (OE) that allows the user to control the direction of data flow. When OE is low, the outputs are in the high-impedance state, enabling bidirectional communication. The direction control pin (DIR) determines the direction of data flow when OE is active.

Advantages and Disadvantages

Advantages: - Low voltage operation allows compatibility with various systems - High-speed operation ensures fast signal transmission - Bidirectional capability simplifies circuit design - Small package size saves board space

Disadvantages: - Limited voltage range (1.65V to 3.6V) - May not be suitable for applications requiring higher voltage levels

Working Principles

The TC74LCX541FT(EL) uses a combination of MOSFETs and CMOS technology to achieve voltage level shifting. It employs a bidirectional buffer circuit that can translate signals from one voltage domain to another. The direction of data flow is controlled by the DIR pin, while the OE pin enables or disables the outputs.

When the OE pin is low, the outputs are in a high-impedance state, allowing bidirectional communication. The input signals are translated to the corresponding voltage level on the output side, ensuring seamless data transfer between different voltage domains.

Detailed Application Field Plans

The TC74LCX541FT(EL) can be used in various applications that require voltage level translation, such as:

1. Microcontroller interfacing: It enables communication between microcontrollers operating at different voltage levels.
2. Sensor networks: It facilitates data exchange between sensors with varying voltage requirements.
3. Battery-powered devices: It allows integration of components with different voltage levels in portable electronics.
4. Communication systems: It aids in connecting devices with incompatible voltage levels, ensuring reliable data transmission.

Detailed and Complete Alternative Models

1. SN74LVC1T45: Unidirectional voltage level translator with similar characteristics and package options.
2. TXB0108: Bidirectional voltage level shifter with a wider voltage range and more output channels.
3. PCA9306: I2C bus voltage level translator specifically designed for bidirectional I2C communication.

These alternative models offer similar functionality to the TC74LCX541FT(EL) and can be considered based on specific application requirements.

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