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SN74HC125DR
+BOMIC BUFFER NON-INVERT 6V 14SOIC
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Nhà sản xuấtTexas Dụng cụ
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Ông. Phần #SN74HC125DR
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Gói SOIC (D)-14
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Có sẵn6824
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Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| Series | 74HC |
| ProductStatus | Active |
| LogicType | Buffer, Non-Inverting |
| NumberofElements | 4 |
| NumberofBitsperElement | 1 |
| OutputType | 3-State |
| Current-OutputHighLow | 7.8mA, 7.8mA |
| Voltage-Supply | 2V ~ 6V |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 14-SOIC (0.154, 3.90mm Width) |
Tổng quan
Description
This IC features four independent buffer gates, each with its own 3-state output control, allowing for flexible data management and isolation in digital circuits. The 3-state outputs can be switched between a high, low, or high-impedance state, enabling the device to effectively interface with bus-oriented systems. It operates over a wide voltage range, typically from 2V to 6V, and has a typical propagation delay of around 14ns at 5V, making it suitable for moderate-speed digital applications.
The SN74HC125DR is packaged in a SOIC-14, which is a compact surface-mount package, making it suitable for use in space-constrained applications. It is widely used in applications requiring buffering, signal amplification, and level shifting in digital systems, such as microcontrollers, memory, and communications equipment.
Equivalent
Features
1. High Speed: Operates with propagation delays similar to equivalent bipolar devices.
2. Low Power Consumption: Typical power dissipation is significantly lower than bipolar counterparts.
3. Wide Supply Voltage Range: Operates from 2V to 6V, making it suitable for various applications.
4. 3-State Outputs: Each buffer/driver has 3-state output control allowing for easy bus interfacing.
5. Input Levels: Compatible with TTL output devices, allowing for easy integration in mixed technology environments.
6. High Output Drive: Capable of driving up to 15 LSTTL loads, making it powerful enough for most standard applications.
7. Low Input Current: Reduces overall power consumption further.
8. Package: Available in a 14-pin SOIC (Small Outline Integrated Circuit) package.
These features make it suitable for buffering and driving data and address buses in computing and other digital applications.
Pinout
Here's a concise breakdown of its pin functions:
1. Pin 1: 1OE (Output Enable for Buffer 1)
2. Pin 2: 1A (Input for Buffer 1)
3. Pin 3: 1Y (Output for Buffer 1)
4. Pin 4: 2OE (Output Enable for Buffer 2)
5. Pin 5: 2A (Input for Buffer 2)
6. Pin 6: 2Y (Output for Buffer 2)
7. Pin 7: GND (Ground)
8. Pin 8: 3Y (Output for Buffer 3)
9. Pin 9: 3A (Input for Buffer 3)
10. Pin 10: 3OE (Output Enable for Buffer 3)
11. Pin 11: 4Y (Output for Buffer 4)
12. Pin 12: 4A (Input for Buffer 4)
13. Pin 13: 4OE (Output Enable for Buffer 4)
14. Pin 14: VCC (Power Supply)
The SN74HC125DR is used for isolating bus lines, controlling signal flow, and allows for bidirectional data flow when the output enable (OE) is active low.
Manufacturer
Application
1. Bus Driving: Facilitates communication between different components in microprocessor and memory systems.
2. Signal Isolation: Provides signal buffering and isolation, preventing signal degradation.
3. Data Distribution: Distributes signals across multiple destinations without loss.
4. Logic Level Shifting: Interfaces circuits operating at different voltage levels.
5. Digital Logic Applications: Used in digital signal processing to enhance signal integrity.
6. Multiplexing: Supports enabling and disabling of data paths in multiplexing systems.
Its high-speed CMOS technology and low power consumption make it suitable for a variety of digital applications.