仕様
| 属性 | 値 |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Series | 74ACT |
| Part Status | Active |
| Logic Type | Buffer, Non-Inverting |
| Number of Elements | 2 |
| Number of Bits per Element | 4 |
| Output Type | 3-State |
| Current - Output High Low | 24mA, 24mA |
| Voltage - Supply | 4.5V ~ 5.5V |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
概要
Description
The SN74ACT244DBR is a part of Texas Instruments’ SN74ACT244 family, featuring octal buffers/drivers with 3-state outputs. These devices are designed for asynchronous communication and data management in digital systems. The SN74ACT244DBR is particularly useful when you need to drive bus lines or buffer memory address registers. It is built using advanced CMOS technology, which offers high-speed performance and low power consumption, making it suitable for various applications in computing and electronics.
Key features include:
- Octal Configuration: The device consists of eight non-inverting buffers/line drivers, organized into two groups of four channels each.
- 3-State Outputs: It provides the ability to set outputs in a high-impedance state, allowing multiple devices to share the same output lines without interference.
- TTL-Compatible Inputs: This ensures compatibility with TTL devices, facilitating integration into mixed-technology systems.
- Wide Operating Range: The SN74ACT244DBR operates from a supply voltage between 4.5V and 5.5V.
- Compact Package: Often available in the SSOP (Shrink Small Outline Package), suitable for space-constrained applications.
Overall, the SN74ACT244DBR offers efficient buffering and driving capabilities for modern digital systems.
Key features include:
- Octal Configuration: The device consists of eight non-inverting buffers/line drivers, organized into two groups of four channels each.
- 3-State Outputs: It provides the ability to set outputs in a high-impedance state, allowing multiple devices to share the same output lines without interference.
- TTL-Compatible Inputs: This ensures compatibility with TTL devices, facilitating integration into mixed-technology systems.
- Wide Operating Range: The SN74ACT244DBR operates from a supply voltage between 4.5V and 5.5V.
- Compact Package: Often available in the SSOP (Shrink Small Outline Package), suitable for space-constrained applications.
Overall, the SN74ACT244DBR offers efficient buffering and driving capabilities for modern digital systems.
Equivalent
The SN74ACT244DBR is an octal buffer/driver with 3-state outputs. Equivalent products from other manufacturers include the 74ACT244 from Nexperia, ON Semiconductor (ON Semi), and Fairchild. Another similar model is the CD74ACT244 from Texas Instruments in different packaging. Ensure to verify electrical characteristics and pin configurations for compatibility with your application.
Features
The SN74ACT244DBR is an octal buffer/driver with 3-state outputs, designed by Texas Instruments. Key features include:
1. High-Speed CMOS Technology: Offers fast switching speeds with low power consumption.
2. 3-State Outputs: Allows for connection to multiple outputs on a bus without interference, ideal for bus-oriented applications.
3. 8-Bit Bus Interface: Supports high-speed data transmission and reception.
4. TTL-Compatible Inputs: Ensures compatibility with TTL logic levels.
5. Wide Supply Voltage Range: Typically operates at 4.5 V to 5.5 V.
6. Low Power Consumption: Efficient operation due to CMOS technology.
7. High Drive Capability: Can drive up to 24 mA, suitable for driving LEDs or other loads.
8. Pin and Function Compatible with 74ACT244: Offers an easy upgrade for existing systems.
9. Compact Package: Available in a small-outline package for space-constrained applications.
10. Latch-Up Performance: Designed to prevent latch-up, improving reliability.
These features make the SN74ACT244DBR suitable for buffering and driving data in digital systems, especially where space and power efficiency are crucial.
1. High-Speed CMOS Technology: Offers fast switching speeds with low power consumption.
2. 3-State Outputs: Allows for connection to multiple outputs on a bus without interference, ideal for bus-oriented applications.
3. 8-Bit Bus Interface: Supports high-speed data transmission and reception.
4. TTL-Compatible Inputs: Ensures compatibility with TTL logic levels.
5. Wide Supply Voltage Range: Typically operates at 4.5 V to 5.5 V.
6. Low Power Consumption: Efficient operation due to CMOS technology.
7. High Drive Capability: Can drive up to 24 mA, suitable for driving LEDs or other loads.
8. Pin and Function Compatible with 74ACT244: Offers an easy upgrade for existing systems.
9. Compact Package: Available in a small-outline package for space-constrained applications.
10. Latch-Up Performance: Designed to prevent latch-up, improving reliability.
These features make the SN74ACT244DBR suitable for buffering and driving data in digital systems, especially where space and power efficiency are crucial.
Pinout
The SN74ACT244DBR is a 20-pin integrated circuit that functions as an octal buffer/driver with 3-state outputs. It is designed to improve the performance and density of 3-state memory address drivers, clock drivers, and bus-oriented receivers and transmitters. The device has two 4-bit sections, each with separate output-enable (OE) inputs that control the 3-state outputs independently. The SN74ACT244DBR is part of the 74ACT series of advanced CMOS logic ICs, which are known for their high speed and low power consumption compared to other logic families.
Manufacturer
The SN74ACT244DBR is manufactured by Texas Instruments (TI). Texas Instruments is an American technology company headquartered in Dallas, Texas. It is primarily known for designing and manufacturing semiconductors and various integrated circuits, which are used in a wide range of electronic applications. TI's products are widely used in industries such as automotive, industrial, personal electronics, communications equipment, and enterprise systems. The company is one of the biggest semiconductor companies in the world and has a strong emphasis on innovation and research in the field of electronics and semiconductor technology.
Application
The SN74ACT244DBR is a non-inverting buffer/driver with 3-state outputs, suitable for various applications. It is commonly used for:
1. Signal buffering: Provides increased drive capability and improved signal integrity for digital signals.
2. Bus interfacing: Facilitates data transfer between components with different voltage levels or drive strengths.
3. Memory addressing: Helps in addressing memory banks by buffering address lines.
4. Data multiplexing: Supports applications requiring data routing or multiplexing.
5. Level translation: Assists in level shifting between different logic families or systems.
6. Industrial and consumer electronics: Used in systems requiring reliable digital signal control and management.
These features make it versatile for a wide range of digital circuit applications.
1. Signal buffering: Provides increased drive capability and improved signal integrity for digital signals.
2. Bus interfacing: Facilitates data transfer between components with different voltage levels or drive strengths.
3. Memory addressing: Helps in addressing memory banks by buffering address lines.
4. Data multiplexing: Supports applications requiring data routing or multiplexing.
5. Level translation: Assists in level shifting between different logic families or systems.
6. Industrial and consumer electronics: Used in systems requiring reliable digital signal control and management.
These features make it versatile for a wide range of digital circuit applications.
Package
The SN74ACT244DBR is a part from Texas Instruments and comes in a SSOP (Shrink Small-Outline Package) type, specifically designated as DBR. It features 20 pins and is designed for surface-mount technology. The DBR suffix indicates the package type and the reel packaging for automated assembly processes.
