74LVTH240SJX

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Shifter
• Characteristics: High-speed, low-voltage, octal buffer/line driver with 3-state outputs
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Buffer and line driver for voltage level translation
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Supply Voltage Range: 2.7V to 3.6V
• High-Speed Operation: tPD = 4.1 ns (typ) at VCC = 3.3V
• Inputs and Outputs are 5V Tolerant
• Output Drive Capability: ±24 mA @ 3.3V
• Power-Up/Down High-Impedance Inputs and Outputs
• ESD Protection: HBM JESD22-A114E Class 3A (>8 kV), CDM JESD22-C101C (>1 kV)

Detailed Pin Configuration

The 74LVTH240SJX IC has a total of 20 pins arranged as follows:

+--\/--+ OE1 |1 20| VCC A1 |2 19| B1 A2 |3 18| B2 A3 |4 17| B3 A4 |5 16| B4 A5 |6 15| B5 A6 |7 14| B6 A7 |8 13| B7 GND |9 12| B8 OE2 |10 11| Y +------+

Functional Features

• Octal buffer/line driver with 3-state outputs
• Inputs and outputs are 5V tolerant, allowing for easy interfacing with different voltage levels
• High-speed operation makes it suitable for applications requiring fast signal transmission
• Power-up/down high-impedance inputs and outputs ensure smooth system integration
• ESD protection safeguards the IC from electrostatic discharge

Advantages and Disadvantages

Advantages: - Supports voltage level translation between different logic families - High-speed operation enables efficient data transfer - 3-state outputs provide flexibility in controlling bus lines - ESD protection ensures reliability in harsh environments

Disadvantages: - Limited supply voltage range (2.7V to 3.6V) - May not be suitable for applications requiring higher drive capability

Working Principles

The 74LVTH240SJX is designed to act as a buffer and line driver for voltage level translation. It takes input signals from one logic family and provides output signals compatible with another logic family. The IC operates at high speed and can handle both low and high voltage levels, making it ideal for interfacing between different systems.

When the Output Enable (OE) pins are active, the input signals are passed through to the corresponding output pins. When the OE pins are inactive, the outputs are put into a high-impedance state, effectively disconnecting them from the circuit.

Detailed Application Field Plans

The 74LVTH240SJX is commonly used in various digital systems where voltage level translation is required. Some typical application fields include:

1. Microcontroller interfacing: The IC allows microcontrollers operating at different voltage levels to communicate with each other or with peripheral devices.
2. Communication systems: It facilitates signal transmission between different communication protocols, such as UART, SPI, or I2C, which may operate at different voltage levels.
3. Industrial automation: The IC enables seamless integration of control signals between different modules or subsystems in industrial automation systems.
4. Automotive electronics: It assists in voltage level translation for various automotive applications, such as sensor interfaces or communication buses.

Detailed and Complete Alternative Models

1. SN74LVC240A: Octal buffer/line driver with 3-state outputs, compatible with a wider supply voltage range (1.65V to 3.6V).
2. MC74LVX240: Octal buffer/line driver with 3-state outputs, designed for higher drive capability (±24 mA @ 2.0V to 3.6V).

(Note: The above alternative models are provided for reference purposes and may have slightly different specifications. It is recommended to consult the respective datasheets for detailed information.)

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