SN74LV4T125RGYR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Shifter
• Characteristics: Low-voltage, Quad-Bus Buffer Gate with 3-State Outputs
• Package: VQFN-14
• Essence: This IC is designed to shift logic levels between different voltage domains, allowing for seamless communication between devices operating at different voltage levels.
• Packaging/Quantity: Available in reels of 2500 units.

Specifications

• Supply Voltage Range: 1.65V to 5.5V
• High-Level Input Voltage: 2.3V to VCC + 0.5V
• Low-Level Input Voltage: -0.5V to 0.8V
• High-Level Output Voltage: VCC - 0.5V
• Low-Level Output Voltage: 0.5V
• Maximum Operating Frequency: 100 MHz
• Number of Channels: 4
• Output Drive Capability: ±24 mA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74LV4T125RGYR has a VQFN-14 package with the following pin configuration:

___________ | | 1 | 14 | VCC 2 | 13 | A1 3 | 12 | OE# 4 | 11 | Y1 5 | 10 | GND 6 | 9 | Y2 7 | 8 | A2 |___________|

Functional Features

• Quad-bus buffer gate with 3-state outputs.
• Allows bidirectional level shifting between different voltage domains.
• Supports voltage translation between 1.65V and 5.5V.
• Provides high-speed logic level shifting with minimal propagation delay.
• Enables seamless communication between devices operating at different voltage levels.

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various systems. - High output drive capability enables driving capacitive loads. - Low propagation delay ensures fast signal transmission. - 3-state outputs provide flexibility in controlling bus lines.

Disadvantages: - Limited to 4 channels, may not be suitable for applications requiring more channels. - Operating frequency limited to 100 MHz, may not be suitable for high-speed applications.

Working Principles

The SN74LV4T125RGYR operates by receiving input signals from one voltage domain and translating them to the desired voltage level of another domain. It utilizes a combination of MOSFETs and control circuitry to achieve bidirectional level shifting. The OE# pin controls the output enable/disable function, allowing the device to enter a high-impedance state when disabled.

Detailed Application Field Plans

The SN74LV4T125RGYR is commonly used in various applications where logic level shifting is required. Some typical application fields include:

1. Microcontroller interfacing: Allows communication between microcontrollers operating at different voltage levels.
2. Sensor networks: Facilitates data exchange between sensors operating at different voltage domains.
3. Industrial automation: Enables integration of devices with varying voltage requirements in industrial control systems.
4. IoT devices: Supports connectivity between IoT devices with different voltage levels.
5. Battery-powered systems: Allows efficient power management by enabling communication between low-voltage battery-powered devices and higher voltage components.

Detailed and Complete Alternative Models

1. SN74LVC4T125: Similar to SN74LV4T125RGYR but operates at a wider supply voltage range of 1.65V to 5.5V.
2. SN74LVC4T125DBVR: SMD package variant with the same functionality and characteristics as SN74LV4T125RGYR.
3. SN74LVC4T125PW: TSSOP package variant suitable for surface mount applications.

These alternative models provide similar logic level shifting capabilities and can be considered based on specific application requirements.

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