SN74LVC125APWRG3

Overview

• Category: Integrated Circuit (IC)
• Use: Buffer/Driver
• Characteristics:
  • Low-voltage CMOS technology
  • Quad bus buffer with 3-state outputs
  • High-speed operation
  • Wide operating voltage range
• Package: TSSOP-14
• Essence: Logic Level Shifter
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Supply Voltage Range: 1.65V to 5.5V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay Time: 4.2ns (typical)
• Output Drive Capability: ±24mA

Pin Configuration

The SN74LVC125APWRG3 has a TSSOP-14 package with the following pin configuration:

___________ OE | 1 14 | VCC A1 | 2 13 | Y1 B1 | 3 12 | A4 A2 | 4 11 | B4 B2 | 5 10 | Y4 GND | 6 9 | OE# Y2 | 7 8 | B3 ‾‾‾‾‾‾‾‾‾‾‾‾

Functional Features

• Quad 3-state non-inverting buffers
• Allows bidirectional voltage-level translation
• Provides buffering for both inputs and outputs
• Enables interfacing between devices with different voltage levels
• Supports mixed-mode signal operation

Advantages and Disadvantages

Advantages: - Low-voltage operation allows compatibility with various systems - High-speed operation for efficient data transfer - Wide operating voltage range provides flexibility in different applications - 3-state outputs allow multiple devices to share a common bus

Disadvantages: - Limited output drive capability compared to some other buffer ICs - Not suitable for high-power applications

Working Principles

The SN74LVC125APWRG3 is designed using low-voltage CMOS technology. It operates as a quad bus buffer with 3-state outputs. The device acts as a logic level shifter, allowing bidirectional voltage-level translation between different devices.

The inputs of the buffer are compatible with both TTL and CMOS voltage levels, making it versatile for use in various digital systems. The outputs can be put into a high-impedance state (3-state) using the OE# (Output Enable) pin, enabling multiple devices to share a common bus without interference.

Detailed Application Field Plans

The SN74LVC125APWRG3 finds applications in various fields, including:

1. Microcontroller interfacing: It enables communication between microcontrollers operating at different voltage levels.
2. Level shifting: It facilitates voltage translation between different logic families, such as TTL to CMOS or vice versa.
3. Bus buffering: It provides buffering for data buses, ensuring signal integrity and preventing loading effects.
4. Mixed-mode signal processing: It allows integration of analog and digital signals in mixed-signal systems.

Alternative Models

Some alternative models that offer similar functionality to the SN74LVC125APWRG3 include:

1. SN74LVC126A: Quad bus buffer with 3-state outputs, available in different package options.
2. MC74LVX125: Quad non-inverting buffer with 3-state outputs, compatible with 5V systems.
3. 74LVC125A: Quad bus buffer with 3-state outputs, operates at a wider voltage range.

These alternative models can be considered based on specific requirements and availability.

In conclusion, the SN74LVC125APWRG3 is a versatile buffer IC that provides logic level shifting and buffering capabilities. Its low-voltage operation, high-speed performance, and wide operating voltage range make it suitable for various digital systems and applications.