SN74F125DR

Product Overview

Category: Integrated Circuit (IC)
Use: Buffer/Line Driver
Characteristics: Quad 3-State Non-Inverting Buffer
Package: SOIC (Small Outline Integrated Circuit)
Essence: High-speed CMOS Logic
Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

Supply Voltage Range: 4.5V 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: 6 ns (typical)
Output Current: ±24 mA
Input Capacitance: 3 pF
Output Capacitance: 8 pF
Power Dissipation: 500 mW

Detailed Pin Configuration

The SN74F125DR has a total of 14 pins, which are assigned as follows:

Pin 1: Output 1 (Y1)
Pin 2: Input 1 (A1)
Pin 3: Enable 1 (G1)
Pin 4: Ground (GND)
Pin 5: Output 2 (Y2)
Pin 6: Input 2 (A2)
Pin 7: Enable 2 (G2)
Pin 8: VCC (+5V)
Pin 9: Output 3 (Y3)
Pin 10: Input 3 (A3)
Pin 11: Enable 3 (G3)
Pin 12: Output 4 (Y4)
Pin 13: Input 4 (A4)
Pin 14: Enable 4 (G4)

Functional Features

Quad non-inverting buffer with 3-state outputs
High-speed operation suitable for various applications
Wide supply voltage range allows compatibility with different systems
3-state outputs provide flexibility in bus-oriented designs
Output current capability enables driving of multiple loads

Advantages and Disadvantages

Advantages: - High-speed CMOS logic ensures fast operation - 3-state outputs allow easy interfacing with other devices - Wide supply voltage range enhances compatibility - Compact SOIC package saves board space

Disadvantages: - Limited output current may restrict use in high-current applications - Not suitable for low-voltage systems due to the minimum supply voltage requirement

Working Principles

The SN74F125DR is a quad non-inverting buffer that amplifies and buffers input signals. It operates using high-speed CMOS logic, allowing for fast signal propagation. The 3-state outputs enable the device to be connected to a bus, where multiple devices can share the same communication lines without interference.

Detailed Application Field Plans

The SN74F125DR is commonly used in various applications, including:

Data communication systems: It can be employed as a line driver to amplify and transmit digital signals over long distances.
Microcontroller interfacing: The buffer facilitates communication between microcontrollers and peripheral devices by providing signal amplification and isolation.
Memory systems: It can be utilized to interface memory modules with data buses, ensuring reliable data transfer.
Industrial automation: The buffer aids in connecting sensors, actuators, and control units, enabling efficient communication within automated systems.

Detailed and Complete Alternative Models

SN74F126DR: Similar to SN74F125DR but with 3-state outputs inverted.
SN74F244N: Octal buffer/line driver with 3-state outputs.
SN74F541DW: Octal buffer/line driver with 3-state outputs and increased output current capability.

These alternative models offer similar functionality to the SN74F125DR, providing options for different design requirements.

Word count: 455 words

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SN74F125DR v technických řešeních

Sure! Here are 10 common questions and answers related to the application of SN74F125DR in technical solutions:

Q: What is SN74F125DR? A: SN74F125DR is a quad buffer gate with 3-state outputs, commonly used in digital logic circuits.
Q: What is the operating voltage range for SN74F125DR? A: The operating voltage range for SN74F125DR is typically between 4.5V and 5.5V.
Q: What is the maximum output current that SN74F125DR can handle? A: SN74F125DR can handle a maximum output current of 24mA per channel.
Q: Can SN74F125DR be used for level shifting applications? A: Yes, SN74F125DR can be used for level shifting as it supports both TTL and CMOS voltage levels.
Q: What is the propagation delay of SN74F125DR? A: The typical propagation delay of SN74F125DR is around 6ns.
Q: Is SN74F125DR suitable for driving capacitive loads? A: Yes, SN74F125DR has a high output drive capability, making it suitable for driving capacitive loads.
Q: Can SN74F125DR be used in bus-oriented systems? A: Yes, SN74F125DR is commonly used in bus-oriented systems due to its 3-state outputs.
Q: Does SN74F125DR have built-in protection against electrostatic discharge (ESD)? A: Yes, SN74F125DR has built-in ESD protection, which helps safeguard the device from damage during handling.
Q: Can SN74F125DR be used in high-speed applications? A: Yes, SN74F125DR is designed for high-speed operation and can be used in various high-frequency applications.
Q: What is the package type of SN74F125DR? A: SN74F125DR is available in a 14-pin SOIC (Small Outline Integrated Circuit) package.

Please note that these answers are general and may vary depending on specific datasheet specifications or application requirements.