74LVX125MTCX

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Shifter
• Characteristics: Quad Buffer/Line Driver, Non-Inverting, 3-State Output
• Package: TSSOP-14
• Essence: This IC is designed to shift logic levels from low voltage (LV) to higher voltage (VX) in digital systems.
• Packaging/Quantity: Available in reels of 2500 units.

Specifications

• Supply Voltage Range: 1.65V to 5.5V
• High-Level Input Voltage: 2V to VCC + 0.5V
• Low-Level Input Voltage: -0.5V to 0.8V
• High-Level Output Voltage: 2.4V (min) at IOH = -4mA
• Low-Level Output Voltage: 0.4V (max) at IOL = 4mA
• Maximum Operating Frequency: 100MHz
• Propagation Delay Time: 6ns (typical)

Detailed Pin Configuration

The 74LVX125MTCX IC has a total of 14 pins arranged as follows:

__ __ Y1 -| 1 14 |- VCC Y2 -| 2 13 |- A1 GND -| 3 12 |- A2 A3 -| 4 11 |- Y3 A4 -| 5 10 |- Y4 OE -| 6 9 |- GND A -| 7 8 |- B ¯¯ ¯¯

Functional Features

• Quad non-inverting buffer/line driver with 3-state outputs.
• Allows bidirectional level shifting between low voltage (LV) and higher voltage (VX) systems.
• Enables interfacing between devices operating at different voltage levels.
• Provides high-speed logic level translation with minimal propagation delay.

Advantages

• Wide supply voltage range allows compatibility with various digital systems.
• 3-state outputs provide flexibility in controlling the output state.
• High-speed operation enables efficient data transmission.
• Non-inverting characteristics preserve signal integrity during level shifting.

Disadvantages

• Limited maximum operating frequency compared to some alternative models.
• TSSOP package may require careful handling during assembly.

Working Principles

The 74LVX125MTCX is a quad buffer/line driver IC that utilizes non-inverting logic. It operates by receiving input signals on the A inputs and driving the corresponding Y outputs. The OE (Output Enable) pin controls the output state, allowing the outputs to be either active or in a high-impedance state.

When the OE pin is low, the outputs are enabled and actively driven according to the input signals. Conversely, when the OE pin is high, the outputs enter a high-impedance state, effectively disconnecting them from the rest of the circuit.

The IC's internal circuitry ensures proper level shifting between the LV and VX voltage domains, allowing seamless communication between devices operating at different voltage levels.

Detailed Application Field Plans

The 74LVX125MTCX IC finds applications in various digital systems where level shifting is required. Some common application fields include:

1. Microcontroller interfacing: Allows communication between microcontrollers operating at different voltage levels.
2. Sensor interfaces: Facilitates connection between sensors and microcontrollers with different voltage requirements.
3. Communication protocols: Enables level translation between devices using different logic voltage standards (e.g., TTL and CMOS).
4. Data transmission systems: Used for level shifting in serial communication interfaces like UART, SPI, and I2C.

Detailed and Complete Alternative Models

1. 74LVC125A: Similar quad buffer/line driver IC with 3-state outputs, but operates at a lower voltage range (1.2V to 3.6V).
2. SN74LV1T34: Single-channel non-inverting buffer IC with 3-state output, suitable for level shifting in low-power applications.
3. CD4504B: Hex non-inverting buffer IC with 3-state output, offering a higher number of channels for level shifting purposes.

These alternative models provide similar functionality to the 74LVX125MTCX but may have different specifications and package options.

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