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SN74HC244NSR
IC BUFFER NON-INVERT 6V 20SO
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- 製造商。 部分 #SN74HC244NSR
- 包 20-SOIC (0.209, 5.30mm Width)
- 資料表 SN74HC244NSR DataSheet
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規格
| Package | Tape & Reel (TR),Cut Tape (CT) |
| Series | 74HC |
| ProductStatus | Active |
| LogicType | Buffer, Non-Inverting |
| NumberofElements | 2 |
| NumberofBitsperElement | 4 |
| OutputType | 3-State |
| Current-OutputHighLow | 7.8mA, 7.8mA |
| Voltage-Supply | 2V ~ 6V |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 20-SOIC (0.209, 5.30mm Width) |
概述
Description
The SN74HC244NSR is an octal buffer/driver with three-state outputs, designed for digital signal buffering and interfacing in high-speed applications. It belongs to the Texas Instruments 74HC series, which is known for high-speed CMOS technology. The device features eight independent buffers, each capable of driving up to 15 loads, making it suitable for applications requiring signal amplification or level shifting.
Key characteristics include a wide operating voltage range (2V to 6V), low power consumption, and fast propagation delays (typically around 6 ns at 5V). The device also has active-high enable inputs, allowing for easy control of the output states. The three-state outputs are particularly useful in bus-oriented systems, where multiple devices share a common data line.
The SN74HC244NSR is available in various package types, including SOIC and TSSOP, making it versatile for different design needs. It is commonly used in communication interfaces, data buffering, and signal conditioning applications in consumer electronics, automotive, and industrial systems.
Key characteristics include a wide operating voltage range (2V to 6V), low power consumption, and fast propagation delays (typically around 6 ns at 5V). The device also has active-high enable inputs, allowing for easy control of the output states. The three-state outputs are particularly useful in bus-oriented systems, where multiple devices share a common data line.
The SN74HC244NSR is available in various package types, including SOIC and TSSOP, making it versatile for different design needs. It is commonly used in communication interfaces, data buffering, and signal conditioning applications in consumer electronics, automotive, and industrial systems.
Features
The SN74HC244NSR is an octal buffer/driver with 3-state outputs, designed for high-speed digital applications. Key features include:
1. High-Speed Operation: Compatible with high-speed CMOS technology, it can operate at speeds up to 25 MHz.
2. Voltage Range: Accepts a wide operating voltage range from 2V to 6V.
3. Output Drive Capability: Each output can drive up to 15mA, suitable for driving loads.
4. 3-State Outputs: Allows for output enable control, enabling multiple devices to connect to a common bus without interference.
5. Low Power Consumption: Consumes less power compared to traditional TTL devices, enhancing energy efficiency.
6. Input and Output Logic Levels: Compatible with TTL input levels, making it versatile for various applications.
7. Wide Temperature Range: Operates over a temperature range of -40°C to +125°C.
These features make the SN74HC244NSR ideal for applications in data transmission, signal buffering, and interfacing between different logic families.
1. High-Speed Operation: Compatible with high-speed CMOS technology, it can operate at speeds up to 25 MHz.
2. Voltage Range: Accepts a wide operating voltage range from 2V to 6V.
3. Output Drive Capability: Each output can drive up to 15mA, suitable for driving loads.
4. 3-State Outputs: Allows for output enable control, enabling multiple devices to connect to a common bus without interference.
5. Low Power Consumption: Consumes less power compared to traditional TTL devices, enhancing energy efficiency.
6. Input and Output Logic Levels: Compatible with TTL input levels, making it versatile for various applications.
7. Wide Temperature Range: Operates over a temperature range of -40°C to +125°C.
These features make the SN74HC244NSR ideal for applications in data transmission, signal buffering, and interfacing between different logic families.
Package
The SN74HC244NSR is packaged in a Small Outline Integrated Circuit (SOIC) with 20 pins. It features a narrow body design for space-saving applications and is suitable for surface mount technology (SMT).
Pinout
The SN74HC244NSR is an octal buffer/driver with 3-state outputs, featuring a total of 20 pins. It has eight data inputs (A1-A8), eight outputs (Y1-Y8), and control pins, including two enable inputs (OE1 and OE2) for controlling the output states.
The pin configuration is as follows:
- Pins 1-8: Data inputs (A1-A8)
- Pins 19-12: Outputs (Y1-Y8)
- Pin 9: OE1 (Output Enable for first octal section)
- Pin 10: OE2 (Output Enable for second octal section)
- Pins 15-18: VCC (power supply) and GND (ground) connections
The device is designed to provide high-speed buffering and signal conditioning, making it suitable for interfacing between different logic levels. Additionally, the 3-state outputs allow for multiple devices to connect to the same bus without interference.
The pin configuration is as follows:
- Pins 1-8: Data inputs (A1-A8)
- Pins 19-12: Outputs (Y1-Y8)
- Pin 9: OE1 (Output Enable for first octal section)
- Pin 10: OE2 (Output Enable for second octal section)
- Pins 15-18: VCC (power supply) and GND (ground) connections
The device is designed to provide high-speed buffering and signal conditioning, making it suitable for interfacing between different logic levels. Additionally, the 3-state outputs allow for multiple devices to connect to the same bus without interference.
Manufacturer
The SN74HC244NSR is manufactured by Texas Instruments (TI), a leading global semiconductor company. Texas Instruments designs and produces a wide range of electronic components, including analog and digital semiconductors, embedded processors, and microcontrollers. Founded in 1930 and headquartered in Dallas, Texas, TI serves various markets such as automotive, industrial, communications, and consumer electronics. The company is known for its innovation in signal processing and has a strong presence in the analog and embedded processing sectors. Texas Instruments is committed to providing high-quality products and solutions that enable advancements in technology across multiple industries.
Application
The SN74HC244NSR is an octal buffer/driver with 3-state outputs, commonly used in digital circuits for signal buffering, level shifting, and driving high-capacitance loads. It is suitable for applications in data communication, memory interfacing, and microcontroller I/O expansion. Its fast switching speeds and low power consumption make it ideal for high-speed data processing and bus communication in consumer electronics, automotive systems, and industrial automation.
Equivalent
Equivalent products to the SN74HC244NSR include the 74HC244, 74HCT244, 74LS244, and 74AHC244. Also, consider logic families from other manufacturers, such as the MC74HC244 from ON Semiconductor and the 74HC244D from NXP. Ensure compatibility with supply voltage, propagation delay, and output drive specifications when selecting equivalents.
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