사양
| 속성 | 가치 |
| Package / Case | Tape & Reel (TR),Cut Tape (CT),Bulk |
| Series | 74AHC |
| 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 | 8mA, 8mA |
| Voltage - Supply | 2V ~ 5.5V |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Mounting Type | Surface Mount |
개요
Description
The SN74AHC244PWR is a high-speed CMOS octal buffer/driver with 3-state outputs, part of Texas Instruments' 74AHC family. It is designed for applications requiring increased output drive and high-speed signal processing with low power consumption. The device features two groups of four buffers, with each group having independent output enable controls, allowing for selective data flow control. This configuration is particularly useful for bus-oriented systems.
Key features of the SN74AHC244PWR include:
- Wide operating voltage range of 2V to 5.5V, compatible with both TTL and CMOS logic levels.
- High noise immunity and low static power dissipation.
- Fast propagation delay, enhancing performance in high-speed applications.
- 3-state outputs, which are essential for bus interface applications, allowing multiple devices to share a common output line without interference.
- Compact TSSOP (Thin Shrink Small Outline Package) that saves space on the PCB.
This buffer/driver is ideal for applications in computing, telecom, and consumer electronics where efficient data buffering and driving are needed.
Key features of the SN74AHC244PWR include:
- Wide operating voltage range of 2V to 5.5V, compatible with both TTL and CMOS logic levels.
- High noise immunity and low static power dissipation.
- Fast propagation delay, enhancing performance in high-speed applications.
- 3-state outputs, which are essential for bus interface applications, allowing multiple devices to share a common output line without interference.
- Compact TSSOP (Thin Shrink Small Outline Package) that saves space on the PCB.
This buffer/driver is ideal for applications in computing, telecom, and consumer electronics where efficient data buffering and driving are needed.
Equivalent
The SN74AHC244PWR is a high-speed CMOS octal buffer/line driver with 3-state outputs. Equivalent products include:
1. 74HC244: General-purpose octal buffer with 3-state outputs.
2. 74AHCT244: Advanced high-speed version with TTL-compatible inputs.
3. CD74ACT244: High-speed CMOS counterpart with TTL input compatibility.
4. SN74LVC244A: Low-voltage version with 3-state outputs.
Ensure compatibility by comparing operating voltages, logic levels, and package types.
1. 74HC244: General-purpose octal buffer with 3-state outputs.
2. 74AHCT244: Advanced high-speed version with TTL-compatible inputs.
3. CD74ACT244: High-speed CMOS counterpart with TTL input compatibility.
4. SN74LVC244A: Low-voltage version with 3-state outputs.
Ensure compatibility by comparing operating voltages, logic levels, and package types.
Features
The SN74AHC244PWR is a high-speed CMOS octal buffer/line driver with 3-state outputs. Here are its key features:
1. High-Speed Performance: Supports data rates of up to 125 MHz, ensuring fast signal processing.
2. 3-State Outputs: Allows for connection to multiple bus lines without interference.
3. Supply Voltage: Operates over a voltage range of 2 V to 5.5 V, making it versatile for various applications.
4. Low Power Consumption: Exhibits low power dissipation due to CMOS technology.
5. Current Drive Capability: Provides ±8 mA output drive at 5 V, suitable for driving multiple inputs.
6. Operating Temperature Range: Functions effectively from –40°C to 85°C, suitable for industrial environments.
7. Input and Output Protection: Features high-impedance inputs and outputs to prevent damage and ensure reliability.
8. Package Type: Available in TSSOP (Thin Shrink Small Outline Package), minimizing board space.
9. Pin Configuration: Consists of 20 pins, providing flexibility in circuit design.
These features make the SN74AHC244PWR suitable for buffering and driving applications in digital systems.
1. High-Speed Performance: Supports data rates of up to 125 MHz, ensuring fast signal processing.
2. 3-State Outputs: Allows for connection to multiple bus lines without interference.
3. Supply Voltage: Operates over a voltage range of 2 V to 5.5 V, making it versatile for various applications.
4. Low Power Consumption: Exhibits low power dissipation due to CMOS technology.
5. Current Drive Capability: Provides ±8 mA output drive at 5 V, suitable for driving multiple inputs.
6. Operating Temperature Range: Functions effectively from –40°C to 85°C, suitable for industrial environments.
7. Input and Output Protection: Features high-impedance inputs and outputs to prevent damage and ensure reliability.
8. Package Type: Available in TSSOP (Thin Shrink Small Outline Package), minimizing board space.
9. Pin Configuration: Consists of 20 pins, providing flexibility in circuit design.
These features make the SN74AHC244PWR suitable for buffering and driving applications in digital systems.
Pinout
The SN74AHC244PWR is a 20-pin device from Texas Instruments. It functions as an octal buffer/line driver with 3-state outputs. The primary purpose of this integrated circuit is to improve the performance of a digital circuit by providing increased drive capability and reduced signal loading. It has two groups of four buffers, each with its own output enable control, which allows for selective enabling of the outputs. The 3-state outputs can be set to high, low, or high-impedance states, making it useful in applications that require bus interfacing or signal multiplexing. The device is designed for a wide range of supply voltages and features low power consumption, making it suitable for various digital logic applications.
Manufacturer
The SN74AHC244PWR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and produces a wide range of electronic components and integrated circuits. Founded in 1930 and headquartered in Dallas, Texas, TI is known for its innovations in analog and embedded processing products, which are used in various applications across industries such as automotive, industrial, personal electronics, and communications. TI is a publicly traded company and is one of the largest semiconductor manufacturers in the world.
Application
The SN74AHC244PWR is a high-speed CMOS octal buffer/driver with three-state outputs, suitable for various applications that require increased data transmission capacity and bus driving capabilities. Key application areas include:
1. Data Communication: Enhances signal integrity in communication systems by driving data across longer cables or multiple devices.
2. Memory Addressing: Facilitates address line buffering in memory systems, improving access times and reliability.
3. Microcontroller/Processor Interfacing: Assists in interfacing microcontrollers with peripherals by managing multiple data lines.
4. Signal Isolation: Provides signal buffering and isolation between different parts of a digital system to prevent interference.
5. LED/LCD Display Driving: Drives displays efficiently by handling multiple input/output lines.
These applications leverage its low power consumption and fast switching capabilities.
1. Data Communication: Enhances signal integrity in communication systems by driving data across longer cables or multiple devices.
2. Memory Addressing: Facilitates address line buffering in memory systems, improving access times and reliability.
3. Microcontroller/Processor Interfacing: Assists in interfacing microcontrollers with peripherals by managing multiple data lines.
4. Signal Isolation: Provides signal buffering and isolation between different parts of a digital system to prevent interference.
5. LED/LCD Display Driving: Drives displays efficiently by handling multiple input/output lines.
These applications leverage its low power consumption and fast switching capabilities.
Package
The SN74AHC244PWR is a type of integrated circuit package known as TSSOP (Thin Shrink Small Outline Package). Specifically, it is a 20-pin TSSOP package.
