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SN74HCT244PWR
IC BUF NON-INVERT 5.5V 20TSSOP
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規格
| Package | Tape & Reel (TR),Cut Tape (CT) |
| Series | 74HCT |
| ProductStatus | Active |
| LogicType | Buffer, Non-Inverting |
| NumberofElements | 2 |
| NumberofBitsperElement | 4 |
| OutputType | 3-State |
| Current-OutputHighLow | 6mA, 6mA |
| Voltage-Supply | 4.5V ~ 5.5V |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 20-TSSOP (0.173, 4.40mm Width) |
概述
Description
The SN74HCT244PWR is an octal buffer/driver designed for high-speed digital applications. It belongs to the Texas Instruments 74HCT family, which is compatible with TTL logic levels while operating at lower power levels. The device features eight independent buffers with high-drive capability, making it suitable for driving capacitive loads.
Key specifications include a supply voltage range of 4.5V to 5.5V, maximum output current of 15mA per channel, and a propagation delay of around 10ns at 5V. The SN74HCT244PWR supports both active-high and active-low inputs, allowing for versatile circuit designs.
Additionally, it has a wide operating temperature range and is available in a TSSOP package, making it ideal for compact electronic designs. This buffer is commonly used in applications such as signal conditioning, data transmission, and interfacing between different logic families, enhancing signal integrity and reducing noise.
Key specifications include a supply voltage range of 4.5V to 5.5V, maximum output current of 15mA per channel, and a propagation delay of around 10ns at 5V. The SN74HCT244PWR supports both active-high and active-low inputs, allowing for versatile circuit designs.
Additionally, it has a wide operating temperature range and is available in a TSSOP package, making it ideal for compact electronic designs. This buffer is commonly used in applications such as signal conditioning, data transmission, and interfacing between different logic families, enhancing signal integrity and reducing noise.
Features
The SN74HCT244PWR is an octal buffer/driver with 3-state outputs, designed for use in digital circuits. Key features include:
1. Input Compatibility: Compatible with TTL (Transistor-Transistor Logic) levels while operating on HCT logic levels.
2. Output Configuration: Eight independent buffers with high drive capability, allowing for significant load handling.
3. 3-State Outputs: Outputs can be enabled or disabled, which is ideal for bus-oriented applications.
4. Wide Voltage Range: Operates on a supply voltage range of 4.5V to 5.5V.
5. High Speed: Typical propagation delay of around 8 ns (at 5V), facilitating high-speed applications.
6. Low Power Consumption: Typically consumes low quiescent current, making it suitable for battery-operated devices.
7. Thermal Protection: Built-in thermal shutdown capabilities to prevent overheating.
8. Packaging: Available in a TSSOP package, allowing for space-efficient designs.
These features make the SN74HCT244PWR suitable for various applications, including data buffering and signal isolation in digital circuits.
1. Input Compatibility: Compatible with TTL (Transistor-Transistor Logic) levels while operating on HCT logic levels.
2. Output Configuration: Eight independent buffers with high drive capability, allowing for significant load handling.
3. 3-State Outputs: Outputs can be enabled or disabled, which is ideal for bus-oriented applications.
4. Wide Voltage Range: Operates on a supply voltage range of 4.5V to 5.5V.
5. High Speed: Typical propagation delay of around 8 ns (at 5V), facilitating high-speed applications.
6. Low Power Consumption: Typically consumes low quiescent current, making it suitable for battery-operated devices.
7. Thermal Protection: Built-in thermal shutdown capabilities to prevent overheating.
8. Packaging: Available in a TSSOP package, allowing for space-efficient designs.
These features make the SN74HCT244PWR suitable for various applications, including data buffering and signal isolation in digital circuits.
Package
The SN74HCT244PWR is offered in a TSSOP-20 (Thin Shrink Small Outline Package) package type.
Pinout
The SN74HCT244PWR is an octal buffer/driver with a 20-pin Dual In-Line Package (DIP). It features two sets of four independent buffers, providing high-speed operation and low power consumption.
### Pin Count:
- 20 pins
### Functions:
- Inputs (A1-A4, B1-B4): These are the data inputs for the buffers.
- Outputs (Y1-Y4, Y5-Y8): These provide the buffered output corresponding to the inputs.
- OE (Output Enable): Controls the output state; when low, the outputs are enabled, and when high, the outputs are in a high-impedance state.
- Vcc: Power supply pin.
- GND: Ground pin.
The device is designed for use in various applications where signal buffering and driving are required, ensuring that signals are transmitted with minimal distortion and delay.
### Pin Count:
- 20 pins
### Functions:
- Inputs (A1-A4, B1-B4): These are the data inputs for the buffers.
- Outputs (Y1-Y4, Y5-Y8): These provide the buffered output corresponding to the inputs.
- OE (Output Enable): Controls the output state; when low, the outputs are enabled, and when high, the outputs are in a high-impedance state.
- Vcc: Power supply pin.
- GND: Ground pin.
The device is designed for use in various applications where signal buffering and driving are required, ensuring that signals are transmitted with minimal distortion and delay.
Manufacturer
The SN74HCT244PWR is manufactured by Texas Instruments (TI), a leading global semiconductor company. Founded in 1930, Texas Instruments designs and produces a wide range of electronic components, including analog and digital semiconductors, embedded processors, and various integrated circuits (ICs). The company is well-known for its innovative solutions in diverse markets such as automotive, industrial, communications, consumer electronics, and more. TI is also recognized for its strong commitment to research and development, enabling advancements in technology and supporting a wide array of applications in the electronics industry.
Application
The SN74HCT244PWR is a high-speed hex buffer/driver used in various applications, including digital signal buffering, level shifting between TTL and CMOS, data distribution, and interfacing between different logic families. It is commonly utilized in communication systems, microcontroller projects, and memory address/data buffers to enhance signal integrity and drive capability, ensuring reliable performance in diverse electronic circuits.
Equivalent
The SN74HCT244PWR is an octal buffer/driver with 3-state outputs. Equivalent products include:
1. 74HC244
2. 74HCT240
3. 74LS244
4. 74ACT244
5. CD74HC244
These alternatives may vary in specifications, such as power supply voltage and output drive capability, so it's essential to check compatibility for specific applications.
1. 74HC244
2. 74HCT240
3. 74LS244
4. 74ACT244
5. CD74HC244
These alternatives may vary in specifications, such as power supply voltage and output drive capability, so it's essential to check compatibility for specific applications.
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