74HCT125D

Hình ảnh chỉ để tham khảo

74HCT125D

+BOM

Buffers & Line Drivers QUAD 3-STATE BUS BUF

  • Nhà sản xuấtNexperia

  • Ông. Phần #74HCT125D

  • Có sẵn24165

365 Đảm bảo chất lượng ngày

7*24 giờ dịch vụ quarantee

90-Bảo hành sau bán hàng ngày

Bảo hành sản phẩm chính xác

Thông số kỹ thuật

thuộc tính Giá trị
StandardPackQty 57

Tổng quan

Description

The 74HCT125D is a high-speed CMOS quad buffer featuring tri-state outputs, commonly used in digital circuits for signal buffering and isolation. Each of the four independent buffers in the device has a separate output enable input, allowing outputs to be individually controlled. This feature is particularly useful in scenarios requiring temporary disconnection of the output from the bus, minimizing interference.
The "HCT" in 74HCT125D indicates that it is a High-speed CMOS device compatible with TTL logic levels, making it suitable for mixed-voltage systems. It operates within a wide voltage range, typically 4.5V to 5.5V, and offers low power consumption due to CMOS technology.
The chip is designed to drive up to 15 LSTTL loads, ensuring robust performance in various applications. Its fast switching times make it suitable for high-frequency operations, while the tri-state output capability provides flexibility in complex designs. The 74HCT125D is widely used in applications like microcontroller interfacing, data buses, and other digital systems requiring reliable signal buffering.

Equivalent

The 74HCT125D is a quad buffer/line driver with 3-state outputs. Equivalent products include:
1. SN74HCT125N (Texas Instruments)
2. CD74HCT125E (Texas Instruments)
3. MC74HCT125ADG (ON Semiconductor)
4. TC74HCT125AP (Toshiba)
5. MM74HCT125M (Fairchild Semiconductor)
These alternatives are functionally similar and can typically be used interchangeably in circuits, but always check the datasheet specifications for compatibility with your specific application.

Features

The 74HCT125D is a high-speed Si-gate CMOS device that is part of the 74HCT series. It features four non-inverting buffers with 3-state outputs. These outputs are controlled independently, allowing for greater flexibility in circuit design. Key features include:
1. High-Speed Operation: Designed for high-speed use with a typical propagation delay of around 14 ns.
2. Wide Supply Voltage Range: Operates within a voltage range of 4.5V to 5.5V, making it compatible with TTL logic levels.
3. Low Power Consumption: Features low power dissipation due to CMOS technology, reducing heat generation and energy usage.
4. 3-State Outputs: Each of the four outputs can be independently enabled or disabled, allowing multiple devices to share the same output line without interference.
5. Pin Configuration: Comes in a standard 14-pin package, with clearly assigned pins for input, output, and enable functions.
6. Compatibility: Compatible with TTL input levels, ensuring ease of integration with existing digital systems.
These features make the 74HCT125D suitable for buffering and driving data buses in digital systems.

Pinout

The 74HCT125D is a quad buffer/line driver with 3-state outputs. It is housed in a 14-pin package. The pin functions are as follows:
1. Pin 1: 1OE (Output Enable for first buffer; active low)
2. Pin 2: 1A (Input for first buffer)
3. Pin 3: 1Y (Output for first buffer)
4. Pin 4: 2OE (Output Enable for second buffer; active low)
5. Pin 5: 2A (Input for second buffer)
6. Pin 6: 2Y (Output for second buffer)
7. Pin 7: GND (Ground)
8. Pin 8: 3Y (Output for third buffer)
9. Pin 9: 3A (Input for third buffer)
10. Pin 10: 3OE (Output Enable for third buffer; active low)
11. Pin 11: 4Y (Output for fourth buffer)
12. Pin 12: 4A (Input for fourth buffer)
13. Pin 13: 4OE (Output Enable for fourth buffer; active low)
14. Pin 14: VCC (Power supply)
Each buffer can be independently controlled via its Output Enable pin, which allows the outputs to be either in an active state or in a high-impedance state.

Manufacturer

The 74HCT125D is a quad buffer/line driver with 3-state outputs, typically manufactured by Nexperia. Nexperia is a global company that specializes in the production of discrete, logic, and MOSFET devices. It was established as an independent entity in 2017, after being spun off from NXP Semiconductors. Nexperia focuses on efficiency and innovation in semiconductor manufacturing while maintaining a comprehensive portfolio of products used across various applications, including automotive, industrial, computing, and consumer electronics. The company is known for its high-volume production capabilities and strong emphasis on quality and operational excellence.

Application

The 74HCT125D is a high-speed CMOS quad buffer/line driver with 3-state outputs. It's commonly used in digital circuits for applications requiring temporary storage, buffering, or driving of signals across various parts of a system. Key application areas include:
1. Bus Interface: Facilitates communication between different components by buffering data signals.
2. Signal Isolation: Provides signal isolation in multi-part systems to prevent interference.
3. Data Distribution: Used in distributing data signals over longer distances within a circuit.
4. Logic Level Conversion: Converts TTL to CMOS logic levels.
5. Microcontroller Interfacing: Assists in interfacing microcontrollers with other digital devices.
These characteristics make it versatile for use in computers, communication equipment, and other electronic devices.

Package

The 74HCT125D is a quad buffer/line driver with 3-state outputs, and its package type is typically SOIC-14 (Small Outline Integrated Circuit with 14 pins), which is a surface-mount component.

Sản phẩm liên quan đến 74HCT125D