規格
| 屬性 | 價值 |
| Brand | Nexperia |
| Subcategory | Logic ICs |
| Number of Channels | 8 Channel |
| Operating Supply Voltage | 3.3 V |
| Minimum Operating Temperature | - 40 C |
| Maximum Operating Temperature | + 125 C |
| Mounting Type | SMD/SMT |
| Height | 0.95 mm (Max) |
| Length | 6.6 mm (Max) |
| Product Type | Buffers & Line Drivers |
| Factory Pack Quantity | 75 |
| Width | 4.5 mm (Max) |
| Unit Weight | 6 mg |
| Supply Voltage - Min | 1 V |
| Supply Voltage - Max | 5.5 V |
| Part # Aliases | 74LV244PW,112 |
| Logic Family | LV |
| Number of Input Lines | 8 Input |
| Number of Output Lines | 8 Output |
| Polarity | Non-Inverting |
| High Level Output Current | - 16 mA |
| Low Level Output Current | 16 mA |
| Current - Quiescent (Iq) | 160 uA |
| Function | Buffer/Line Driver |
| Input Signal Type | Single-Ended |
| Logic Type | CMOS |
| Output Type | 3-State |
| Propagation Delay Time | 50 ns at 1.2 V |
| Current - Supply (Max) | 160 uA |
| Technology | CMOS |
| Delivery Restrictions | Mouser does not sell this product in your region. |
| Package / Case | TSSOP-20 |
概述
Description
The 74LV244PW is a hex buffer/driver designed for use in digital circuits. It belongs to the 74LV family, which features low-voltage CMOS technology, making it suitable for operation with a power supply ranging from 1.2V to 5.5V. The device contains six independent buffers with a high-speed operation, capable of driving TTL-compatible loads.
Key features include:
- Hex Buffer/Driver: It has six separate buffer outputs, allowing for multiple signal amplification.
- Low Power Consumption: The LV series consumes significantly less power than traditional TTL devices, making it ideal for battery-operated devices.
- Wide Supply Voltage Range: It operates across a range of voltages, enhancing its versatility in various applications.
- High Noise Margin: This feature ensures reliable operation in noisy environments.
The 74LV244PW is commonly used in applications such as signal buffering, data processing, and interfacing between different logic levels in microcontroller and digital circuit designs.
Key features include:
- Hex Buffer/Driver: It has six separate buffer outputs, allowing for multiple signal amplification.
- Low Power Consumption: The LV series consumes significantly less power than traditional TTL devices, making it ideal for battery-operated devices.
- Wide Supply Voltage Range: It operates across a range of voltages, enhancing its versatility in various applications.
- High Noise Margin: This feature ensures reliable operation in noisy environments.
The 74LV244PW is commonly used in applications such as signal buffering, data processing, and interfacing between different logic levels in microcontroller and digital circuit designs.
Equivalent
The 74LV244PW is a low-voltage octal buffer/driver with 3-state outputs. Equivalent products include the 74HC244, 74HCT244, 74LVC244, and 74LVT244. These alternatives have similar functionality but may differ in voltage levels and power supply specifications. Always verify the specific requirements of your application for compatibility.
Features
The 74LV244PW is an octal buffer/driver with 3-state outputs, designed for use in low-voltage applications. Key features include:
1. Voltage Range: Operates at a supply voltage of 1.2V to 5.5V, making it suitable for low-power applications.
2. High-speed Operation: Ensures fast switching times, typically around 4.5 ns at 5V, facilitating high-speed data transmission.
3. 3-state Outputs: Each of the eight outputs can be independently enabled or disabled, allowing for flexible data management.
4. Low Power Consumption: Consumes low quiescent current, enhancing battery life in portable applications.
5. TTL-Compatible: Compatible with TTL logic levels, enabling integration into existing designs.
6. Wide Operating Temperature: Rated for operation from -40°C to 125°C, allowing for a range of environmental conditions.
7. Pin Configuration: Available in a 20-pin TSSOP package, suitable for space-constrained applications.
These features make the 74LV244PW ideal for buffer applications, such as driving LED displays or interfacing with microcontrollers.
1. Voltage Range: Operates at a supply voltage of 1.2V to 5.5V, making it suitable for low-power applications.
2. High-speed Operation: Ensures fast switching times, typically around 4.5 ns at 5V, facilitating high-speed data transmission.
3. 3-state Outputs: Each of the eight outputs can be independently enabled or disabled, allowing for flexible data management.
4. Low Power Consumption: Consumes low quiescent current, enhancing battery life in portable applications.
5. TTL-Compatible: Compatible with TTL logic levels, enabling integration into existing designs.
6. Wide Operating Temperature: Rated for operation from -40°C to 125°C, allowing for a range of environmental conditions.
7. Pin Configuration: Available in a 20-pin TSSOP package, suitable for space-constrained applications.
These features make the 74LV244PW ideal for buffer applications, such as driving LED displays or interfacing with microcontrollers.
Pinout
The 74LV244PW is an octal buffer/driver with 3-state outputs, commonly used for driving high capacitive loads. It has a total of 20 pins.
Pin Functions:
- Pins 1-8 (A1-A8): Data inputs (D0-D7).
- Pins 19-12 (Y1-Y8): Data outputs (Q0-Q7).
- Pin 9 (GND): Ground connection.
- Pin 10 (VCC): Power supply (typically +2V to +5.5V).
- Pin 11 (OE): Output enable control (active low).
- Pins 15-18: Unused or not directly connected in typical applications.
The device buffers input signals and can drive the outputs high or low based on the inputs, with the OE pin controlling whether the outputs are in a high-impedance state or actively driving the output. This makes it suitable for data transmission and interface applications.
Pin Functions:
- Pins 1-8 (A1-A8): Data inputs (D0-D7).
- Pins 19-12 (Y1-Y8): Data outputs (Q0-Q7).
- Pin 9 (GND): Ground connection.
- Pin 10 (VCC): Power supply (typically +2V to +5.5V).
- Pin 11 (OE): Output enable control (active low).
- Pins 15-18: Unused or not directly connected in typical applications.
The device buffers input signals and can drive the outputs high or low based on the inputs, with the OE pin controlling whether the outputs are in a high-impedance state or actively driving the output. This makes it suitable for data transmission and interface applications.
Manufacturer
The 74LV244PW is manufactured by Nexperia, a semiconductor company that specializes in the production of discrete, logic, and MOSFET components. Nexperia was formed in 2017 as a spin-off from NXP Semiconductors, focusing on providing a wide range of high-performance electronic components for various applications. The company is known for its expertise in manufacturing efficient, reliable, and high-quality semiconductor solutions. Nexperia's products are widely used in automotive, industrial, consumer electronics, and communication devices, making it a key player in the semiconductor industry.
Application
The 74LV244PW is an octal buffer/driver with 3-state outputs, primarily used in digital circuits for signal buffering and driving. Key application areas include:
1. Data Bus Isolation: It isolates data lines in microprocessor or microcontroller applications.
2. Signal Conditioning: Enhances signal integrity for long-distance communications.
3. Level Shifting: Adapts voltage levels between different logic families.
4. Memory Interface: Buffers data lines in high-speed memory applications.
5. Interface Circuits: Used in interfacing between various digital components.
6. Consumer Electronics: Employed in devices like computers, TVs, and gaming consoles for reliable signal transmission.
1. Data Bus Isolation: It isolates data lines in microprocessor or microcontroller applications.
2. Signal Conditioning: Enhances signal integrity for long-distance communications.
3. Level Shifting: Adapts voltage levels between different logic families.
4. Memory Interface: Buffers data lines in high-speed memory applications.
5. Interface Circuits: Used in interfacing between various digital components.
6. Consumer Electronics: Employed in devices like computers, TVs, and gaming consoles for reliable signal transmission.
Package
The 74LV244PW is packaged in a TSSOP (Thin Shrink Small Outline Package) with 20 pins.
