TC74LCX244FTELM

Basic Information Overview

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

Specifications

• Supply Voltage: 1.65V to 3.6V
• Input Voltage: 0V to VCC
• Output Voltage: 0V to VCC
• Maximum Operating Frequency: 100MHz
• Number of Channels: 8
• Input/Output Type: CMOS
• Propagation Delay Time: 2.5ns (max)
• Output Current: ±24mA

Detailed Pin Configuration

The TC74LCX244FTELM has a total of 20 pins. The pin configuration is as follows:

__ __ A1 -| |--| |- VCC B1 -| |--| |- OE# A2 -| |--| |- I/O1 B2 -| |--| |- I/O2 A3 -| |--| |- GND B3 -| |--| |- I/O3 A4 -| |--| |- I/O4 B4 -| |--| |- I/O5 A5 -| |--| |- I/O6 B5 -| |--| |- I/O7 A6 -| |--| |- I/O8 B6 -| |--| |- DIR A7 -| |--| |- NC B7 -| |--| |- NC A8 -| |--| |- NC B8 -| |--| |- NC GND-|__|--|__|- VCC

Functional Features

• Bidirectional voltage level shifting between two logic levels.
• Non-inverting operation preserves the logic state of the input signal.
• High-speed operation allows for efficient data transfer.
• Low voltage operation makes it suitable for low-power applications.
• 3-state output allows for easy bus sharing.

Advantages and Disadvantages

Advantages: - Wide supply voltage range enables compatibility with various systems. - High-speed operation facilitates fast data transmission. - Non-inverting nature ensures signal integrity. - Small package size saves board space. - 3-state output simplifies bus sharing.

Disadvantages: - Limited number of channels (8 in this case). - Propagation delay may affect timing-sensitive applications. - Requires external pull-up or pull-down resistors for proper operation.

Working Principles

The TC74LCX244FTELM is a bidirectional transceiver that shifts logic levels between two voltage domains. It operates by receiving an input signal from one domain and translating it to the corresponding voltage level in the other domain. The non-inverting nature of the device ensures that the logic state of the input signal is preserved during translation. The high-speed operation allows for efficient data transfer, while the low voltage requirement makes it suitable for low-power applications. The 3-state output feature enables multiple devices to share a common bus.

Detailed Application Field Plans

The TC74LCX244FTELM is commonly used in various digital systems where voltage level shifting is required. Some specific application fields include: - Microcontrollers and microprocessors interfacing. - Communication systems involving different voltage domains. - Data acquisition and control systems. - Industrial automation and robotics. - Automotive electronics. - Consumer electronics.

Detailed and Complete Alternative Models

• SN74LVC244A: Similar bidirectional transceiver with 3-state outputs.
• MC74LCX244: Low voltage CMOS logic level shifter with 8 channels.
• 74HC244: Octal buffer/line driver with non-inverting outputs.
• CD74HCT244: High-speed CMOS octal buffer/line driver.

(Note: The above list is not exhaustive and there are several alternative models available in the market.)

This entry provides a comprehensive overview of the TC74LCX244FTELM, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models. It serves as a valuable resource for understanding and utilizing this logic level shifter in various electronic systems.