SN74AHCT125PWR

Product Overview

• Category: Integrated Circuit
• Use: Buffer/Line Driver
• Characteristics: High-speed, low-power, quad bus buffer with 3-state outputs
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: The SN74AHCT125PWR is a quad bus buffer with 3-state outputs, designed for asynchronous communication between data buses. It is commonly used in digital systems to isolate the input from the output.
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Supply Voltage: 2V to 5.5V
• Operating Temperature: -40°C to 85°C
• Output Drive Capability: 24 mA at 5V
• Propagation Delay: 6 ns at 5V
• Input Capacitance: 3 pF
• Output Capacitance: 8 pF

Detailed Pin Configuration

The SN74AHCT125PWR has a total of 14 pins, arranged as follows: 1. Pin 1: Output 1 (Y1) 2. Pin 2: Input 1 (A1) 3. Pin 3: Ground 4. Pin 4: Input 2 (B1) 5. Pin 5: Output 2 (Y2) 6. Pin 6: Output Enable (OE1) 7. Pin 7: VCC 8. Pin 8: Input 3 (A2) 9. Pin 9: Output 3 (Y3) 10. Pin 10: Input 4 (B2) 11. Pin 11: Output 4 (Y4) 12. Pin 12: OE2 13. Pin 13: NC (No Connection) 14. Pin 14: GND

Functional Features

• Quad 3-State Buffer
• High-Speed Operation
• Low-Power Consumption
• Compatible with TTL and CMOS

Advantages and Disadvantages

Advantages

• High-speed operation makes it suitable for fast data transfer applications
• Low power consumption helps in reducing overall system power requirements
• 3-state outputs allow for efficient bus management

Disadvantages

• Limited output drive capability compared to some other buffer ICs
• Not suitable for high-noise environments due to its lower noise immunity

Working Principles

The SN74AHCT125PWR operates by receiving input signals on the A1, B1, A2, and B2 pins and providing buffered outputs on the Y1, Y2, Y3, and Y4 pins. The output enable pins (OE1 and OE2) control the state of the outputs, allowing them to be either active or in a high-impedance state.

Detailed Application Field Plans

The SN74AHCT125PWR is commonly used in various digital systems, including: - Microcontroller interfacing - Memory address and data bus isolation - Signal buffering in communication interfaces - General-purpose logic level shifting

Detailed and Complete Alternative Models

Some alternative models to the SN74AHCT125PWR include: - SN74LVC125A: Low-Voltage CMOS Quad Bus Buffer - SN74HCT125N: High-Speed CMOS Quad Bus Buffer - MC74HC125AN: Quad Bus Buffer with 3-State Outputs

In conclusion, the SN74AHCT125PWR is a versatile integrated circuit that offers high-speed operation, low-power consumption, and 3-state outputs, making it suitable for various digital system applications.

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