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74HC125PW
Buffers & Line Drivers QUAD 3-STATE BUS BUF
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概述
Description
The 74HC125PW is a quad buffer/driver with three-state outputs, part of the 74HC (High-Speed CMOS) series. It features four independent, non-inverting buffers, each with a separate enable input. This allows for the control of each buffer's output state, providing flexibility in digital circuits.
Key specifications include:
- Supply Voltage: 2V to 6V
- Logic Levels: Compatible with TTL and CMOS logic
- Output Drive: Capable of driving 15 mA at a high logic level
- Package: Available in various package types, with "PW" referring specifically to the TSSOP (Thin Shrink Small Outline Package).
The 74HC125 is commonly used in applications requiring signal buffering, isolation, and control, such as data routing in complex digital systems. With its fast switching speeds and low power consumption, it is ideal for high-speed applications in microcontroller and interface circuits.
Key specifications include:
- Supply Voltage: 2V to 6V
- Logic Levels: Compatible with TTL and CMOS logic
- Output Drive: Capable of driving 15 mA at a high logic level
- Package: Available in various package types, with "PW" referring specifically to the TSSOP (Thin Shrink Small Outline Package).
The 74HC125 is commonly used in applications requiring signal buffering, isolation, and control, such as data routing in complex digital systems. With its fast switching speeds and low power consumption, it is ideal for high-speed applications in microcontroller and interface circuits.
Features
The 74HC125PW is a quad buffer/driver with tri-state outputs, designed for high-speed operation and low-power consumption. Key features include:
1. Quad Configuration: Contains four independent buffers/drivers.
2. Tri-State Outputs: Outputs can be set to high, low, or high-impedance state, allowing for easy bus interfacing.
3. High-Speed Operation: Typical propagation delay is around 5 ns at 5V, suitable for fast digital circuits.
4. Wide Supply Voltage Range: Operates from 2V to 6V, making it versatile for various applications.
5. Low Power Dissipation: Consumes minimal power, making it ideal for battery-operated devices.
6. High Noise Immunity: Features a high noise margin, ensuring reliable operation in noisy environments.
7. Standard Logic Levels: Compatible with TTL and CMOS logic families, facilitating integration in different systems.
8. Surface Mount Package: Available in a TSSOP-14 package for space-saving designs.
Overall, the 74HC125PW is suitable for applications in data transmission, signal buffering, and interfacing between different logic levels.
1. Quad Configuration: Contains four independent buffers/drivers.
2. Tri-State Outputs: Outputs can be set to high, low, or high-impedance state, allowing for easy bus interfacing.
3. High-Speed Operation: Typical propagation delay is around 5 ns at 5V, suitable for fast digital circuits.
4. Wide Supply Voltage Range: Operates from 2V to 6V, making it versatile for various applications.
5. Low Power Dissipation: Consumes minimal power, making it ideal for battery-operated devices.
6. High Noise Immunity: Features a high noise margin, ensuring reliable operation in noisy environments.
7. Standard Logic Levels: Compatible with TTL and CMOS logic families, facilitating integration in different systems.
8. Surface Mount Package: Available in a TSSOP-14 package for space-saving designs.
Overall, the 74HC125PW is suitable for applications in data transmission, signal buffering, and interfacing between different logic levels.
Package
The 74HC125PW is packaged in a Shrink Small Outline Package (SSOP), specifically with 14 pins. This type of package offers a compact design suitable for surface mounting on PCBs.
Pinout
The 74HC125PW is a quad buffer/driver with three-state outputs. It has a total of 14 pins. The pin configuration and their functions are as follows:
1. Pin 1 (A1) - Input for the first buffer.
2. Pin 2 (Y1) - Output for the first buffer.
3. Pin 3 (G1) - Output enable for the first buffer (active low).
4. Pin 4 (A2) - Input for the second buffer.
5. Pin 5 (Y2) - Output for the second buffer.
6. Pin 6 (G2) - Output enable for the second buffer (active low).
7. Pin 7 (G3) - Output enable for the third buffer (active low).
8. Pin 8 (A3) - Input for the third buffer.
9. Pin 9 (Y3) - Output for the third buffer.
10. Pin 10 (G4) - Output enable for the fourth buffer (active low).
11. Pin 11 (A4) - Input for the fourth buffer.
12. Pin 12 (Y4) - Output for the fourth buffer.
13. Pin 13 (VCC) - Power supply pin.
14. Pin 14 (GND) - Ground pin.
The device is commonly used in digital circuits to drive signals or interface different logic levels.
1. Pin 1 (A1) - Input for the first buffer.
2. Pin 2 (Y1) - Output for the first buffer.
3. Pin 3 (G1) - Output enable for the first buffer (active low).
4. Pin 4 (A2) - Input for the second buffer.
5. Pin 5 (Y2) - Output for the second buffer.
6. Pin 6 (G2) - Output enable for the second buffer (active low).
7. Pin 7 (G3) - Output enable for the third buffer (active low).
8. Pin 8 (A3) - Input for the third buffer.
9. Pin 9 (Y3) - Output for the third buffer.
10. Pin 10 (G4) - Output enable for the fourth buffer (active low).
11. Pin 11 (A4) - Input for the fourth buffer.
12. Pin 12 (Y4) - Output for the fourth buffer.
13. Pin 13 (VCC) - Power supply pin.
14. Pin 14 (GND) - Ground pin.
The device is commonly used in digital circuits to drive signals or interface different logic levels.
Manufacturer
The 74HC125PW is manufactured by Texas Instruments, a renowned company in the semiconductor industry. Texas Instruments (TI) designs and produces a wide range of electronic components and integrated circuits, including analog, digital, and mixed-signal solutions. They are known for their innovation in the fields of embedded processing, analog circuits, and digital signal processing. TI serves various markets, including automotive, industrial, communications, and consumer electronics, making significant contributions to technology development globally. The 74HC125PW is a quad buffer/driver with 3-state outputs, primarily used for signal buffering in digital circuits.
Application
The 74HC125PW is a quad buffer/driver with three-state outputs, commonly used in digital circuits for signal buffering, level shifting, and isolation. Its application areas include data communication, bus interfacing, and interfacing between different logic levels. It is also employed in control systems, multiplexing, and any scenario requiring reliable signal transmission with low power consumption.
Equivalent
The 74HC125PW is a quad buffer/driver with three-state outputs. Equivalent products include:
- 74HCT125
- 74AC125
- 74ALVC125
- 74AHC125
These variants differ in voltage levels and speed characteristics but serve similar functions. Always check specifications for exact compatibility in your application.
- 74HCT125
- 74AC125
- 74ALVC125
- 74AHC125
These variants differ in voltage levels and speed characteristics but serve similar functions. Always check specifications for exact compatibility in your application.
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