SN74LVC126ADG4

Product Overview

Category: Integrated Circuit (IC)

Use: The SN74LVC126ADG4 is a quad bus buffer gate with 3-state outputs. It is designed to be used as a voltage level translator, allowing different logic families to communicate with each other.

Characteristics: - Quad buffer gate - 3-state outputs - Voltage level translation - High-speed operation - Low power consumption

Package: The SN74LVC126ADG4 comes in a small outline integrated circuit (SOIC) package. This package provides a compact and reliable solution for mounting the IC on a printed circuit board.

Essence: The essence of the SN74LVC126ADG4 lies in its ability to facilitate communication between different logic families by translating voltage levels.

Packaging/Quantity: The SN74LVC126ADG4 is typically available in reels or tubes, containing a specific quantity of ICs per package. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Supply voltage range: 1.65V to 5.5V
• Input voltage range: -0.5V to VCC + 0.5V
• Output voltage range: 0V to VCC
• Maximum operating frequency: 100 MHz
• Propagation delay: 2.8 ns (typical)
• Operating temperature range: -40°C to 85°C

Detailed Pin Configuration

The SN74LVC126ADG4 has a total of 14 pins, which are assigned specific functions. Here is the detailed pin configuration:

1. 1A - Input of buffer gate A
2. 1Y - Output of buffer gate A
3. GND - Ground reference
4. 2Y - Output of buffer gate B
5. 2A - Input of buffer gate B
6. 3A - Input of buffer gate C
7. 3Y - Output of buffer gate C
8. VCC - Positive supply voltage
9. 4Y - Output of buffer gate D
10. 4A - Input of buffer gate D
11. OE - Output enable input
12. NC - No connection
13. GND - Ground reference
14. VCC - Positive supply voltage

Functional Features

• Voltage level translation: The SN74LVC126ADG4 can translate logic levels between different voltage domains, allowing seamless communication between incompatible devices.
• 3-state outputs: The IC features 3-state outputs, which provide flexibility in controlling the output state and allow multiple devices to share a common bus.
• High-speed operation: With a maximum operating frequency of 100 MHz, the SN74LVC126ADG4 is suitable for high-speed applications.
• Low power consumption: The IC is designed to consume minimal power, making it energy-efficient.

Advantages and Disadvantages

Advantages: - Enables communication between different logic families - Compact SOIC package for easy integration - High-speed operation for time-critical applications - Low power consumption for energy efficiency

Disadvantages: - Limited voltage range (1.65V to 5.5V) - Propagation delay may affect timing-sensitive applications

Working Principles

The SN74LVC126ADG4 operates by receiving input signals from one logic family and translating them into compatible output signals for another logic family. It achieves this through a combination of voltage level shifting and buffering techniques. The 3-state outputs allow the IC to control the output state, enabling multiple devices to share a common bus without interference.

Detailed Application Field Plans

The SN74LVC126ADG4 finds applications in various fields where voltage level translation is required. Some of the detailed application field plans include:

1. Microcontroller interfacing: The IC can be used to interface microcontrollers operating at different voltage levels, enabling seamless communication between them.
2. Mixed logic systems: It facilitates communication between mixed logic systems, such as combining CMOS and TTL devices in a single circuit.
3. Industrial automation: The IC can be utilized in industrial automation systems to translate signals between different control modules.
4. Communication interfaces: It enables voltage level translation in communication interfaces like UART, SPI, and I2C, allowing compatibility between devices with different logic families.

Detailed and Complete Alternative Models

1. SN74LVC126A: Similar to SN74LVC126ADG4 but available in different package options.
2. MC74LVX126: Another quad buffer gate with 3-state outputs, suitable for voltage level translation.
3. CD74HCT126: A quad buffer gate with 3-state outputs, compatible with higher voltage levels.

These alternative models offer similar functionality to the SN74LVC126ADG4 and can