SN74AHC125MDREP

Product Overview

• Category: Integrated Circuit
• Use: Buffer/Line Driver
• Characteristics: High-speed, low-power, non-inverting
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Quad Bus Buffer Gate
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Supply Voltage Range: 2 V to 5.5 V
• Input Voltage Range: 0 V to VCC
• Output Voltage Range: 0 V to VCC
• Operating Temperature Range: -40°C to +85°C
• Output Drive Capability: ±24 mA at 3.3 V
• Propagation Delay: 4 ns typical at 3.3 V
• Input Capacitance: 3 pF typical
• Output Capacitance: 6 pF typical

Detailed Pin Configuration

The SN74AHC125MDREP has a total of 14 pins arranged as follows:

___________ OE |1 14| VCC A |2 13| Y1 B |3 12| Y2 GND |4 11| Y3 Y4 |5 10| GND Y3 |6 9| B Y2 |7 8| A -----------

Functional Features

• Non-inverting buffer with 3-state outputs
• High-speed operation suitable for various applications
• Low power consumption
• Wide supply voltage range allows compatibility with different systems
• 3-state output allows multiple devices to share a common bus

Advantages and Disadvantages

Advantages: - High-speed operation enables efficient data transfer - Low power consumption helps in reducing overall system power requirements - Wide supply voltage range provides flexibility in different applications - 3-state output allows for bus sharing and reduces the number of required pins

Disadvantages: - Limited output drive capability may not be suitable for high-current applications - Propagation delay may affect timing-sensitive systems

Working Principles

The SN74AHC125MDREP is a quad bus buffer gate that amplifies and buffers digital signals. It operates by receiving input signals on the A and B pins, and when enabled by the OE (Output Enable) pin, it drives the corresponding Y outputs with the amplified signal. The non-inverting nature of the buffer ensures that the output signal matches the input signal.

Detailed Application Field Plans

The SN74AHC125MDREP can be used in various applications, including:

1. Microcontroller interfacing: It can be used to interface microcontrollers with other devices, such as sensors or actuators, providing signal buffering and level shifting capabilities.
2. Communication systems: It can be employed in communication systems to amplify and buffer digital signals between different modules or subsystems.
3. Data acquisition: It can be utilized in data acquisition systems to buffer and amplify analog signals before digitization.
4. Industrial automation: It can be integrated into industrial automation systems to interface control signals between different components, ensuring reliable signal transmission.

Detailed and Complete Alternative Models

Some alternative models to the SN74AHC125MDREP include:

1. SN74LVC125A: Low-voltage CMOS Quad Bus Buffer Gate
2. SN74HCT125: High-speed CMOS Quad Bus Buffer Gate
3. SN74LVTH125: Low-voltage CMOS Quad Bus Buffer Gate with 3-state outputs

These alternatives offer similar functionality but may have differences in characteristics, package types, or voltage ranges. It is important to select the appropriate alternative based on specific requirements and system constraints.

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