規格
| 屬性 | 價值 |
| Package / Case | Bulk,Tube |
| Series | 74AHCT |
| 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 | 4.5V ~ 5.5V |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Mounting Type | Surface Mount |
概述
Description
The SN74AHCT244PW is a high-speed CMOS octal buffer/driver with 3-state outputs, part of the 74AHCT logic family. It features eight non-inverting buffers with three-state outputs, controlled by two active-low output enable (OE\) pins, allowing for versatile control in data flow and buffering applications. This device is designed to drive highly capacitive or low-impedance loads and is commonly used in digital circuits for signal isolation and amplification.
Key characteristics include TTL-compatible inputs, which allow it to interface effectively with TTL logic levels, wide power supply range (4.5V to 5.5V), and high current output capability. The device is packaged in a TSSOP-20 (Thin Shrink Small Outline Package) for compact circuit board layouts. It is ideal for applications in bus-oriented systems, providing low power consumption and excellent thermal performance. Additionally, it operates efficiently across a broad temperature range, making it suitable for various industrial and commercial applications.
Key characteristics include TTL-compatible inputs, which allow it to interface effectively with TTL logic levels, wide power supply range (4.5V to 5.5V), and high current output capability. The device is packaged in a TSSOP-20 (Thin Shrink Small Outline Package) for compact circuit board layouts. It is ideal for applications in bus-oriented systems, providing low power consumption and excellent thermal performance. Additionally, it operates efficiently across a broad temperature range, making it suitable for various industrial and commercial applications.
Equivalent
The SN74AHCT244PW is a buffer/driver with 3-state outputs. Equivalent products include:
1. NXP 74AHCT244D
2. ON Semiconductor 74AHCT244MTC
3. Microchip Technology 74AHCT244T
4. STMicroelectronics 74AHCT244TTR
These equivalents should offer similar functionality but always check the datasheets to ensure pin compatibility and electrical specifications align with your requirements.
1. NXP 74AHCT244D
2. ON Semiconductor 74AHCT244MTC
3. Microchip Technology 74AHCT244T
4. STMicroelectronics 74AHCT244TTR
These equivalents should offer similar functionality but always check the datasheets to ensure pin compatibility and electrical specifications align with your requirements.
Features
The SN74AHCT244PW is an octal buffer/driver with 3-state outputs, designed by Texas Instruments. It features advanced high-speed CMOS (AHCT) technology for high performance. Key features include:
1. High-Speed Operation: Optimized for low power consumption while maintaining the ability to drive high-speed signals.
2. 3-State Outputs: Allows multiple outputs to connect to a common bus, crucial for bus-oriented systems.
3. Wide Operating Voltage: Operates on a supply voltage range from 4.5V to 5.5V, making it compatible with 5V systems.
4. Low Power Consumption: Utilizes CMOS technology to reduce power demand in both active and idle states.
5. Input Compatibility: TTL-compatible inputs are suitable for interfacing with TTL logic levels.
6. Output Drive: Capable of sourcing or sinking 8 mA of current, suitable for driving moderate loads.
7. Temperature Range: Operates within an industrial temperature range, suitable for various environmental conditions.
8. Package Type: The device is packaged in TSSOP (Thin Shrink Small Outline Package) for compact board design.
These features make the SN74AHCT244PW ideal for buffering and driving applications in digital systems.
1. High-Speed Operation: Optimized for low power consumption while maintaining the ability to drive high-speed signals.
2. 3-State Outputs: Allows multiple outputs to connect to a common bus, crucial for bus-oriented systems.
3. Wide Operating Voltage: Operates on a supply voltage range from 4.5V to 5.5V, making it compatible with 5V systems.
4. Low Power Consumption: Utilizes CMOS technology to reduce power demand in both active and idle states.
5. Input Compatibility: TTL-compatible inputs are suitable for interfacing with TTL logic levels.
6. Output Drive: Capable of sourcing or sinking 8 mA of current, suitable for driving moderate loads.
7. Temperature Range: Operates within an industrial temperature range, suitable for various environmental conditions.
8. Package Type: The device is packaged in TSSOP (Thin Shrink Small Outline Package) for compact board design.
These features make the SN74AHCT244PW ideal for buffering and driving applications in digital systems.
Pinout
The SN74AHCT244PW is a 20-pin integrated circuit in a TSSOP package. It is an octal buffer/driver with three-state outputs. This device is designed to improve the driving capability and performance of a system by providing a buffer between the input and output.
Key functions of the SN74AHCT244PW include:
- It features two 4-bit sections that are independently controlled by enable inputs.
- The outputs can be put into a high-impedance state, allowing for bus-line driving or interfacing.
- It operates with a supply voltage range of 4.5 V to 5.5 V.
- The device is part of the 7400 series logic family and is characterized by TTL-compatible inputs.
The main use of this device is to provide signal buffering and drive capability in digital circuits, making it suitable for bus interface applications.
Key functions of the SN74AHCT244PW include:
- It features two 4-bit sections that are independently controlled by enable inputs.
- The outputs can be put into a high-impedance state, allowing for bus-line driving or interfacing.
- It operates with a supply voltage range of 4.5 V to 5.5 V.
- The device is part of the 7400 series logic family and is characterized by TTL-compatible inputs.
The main use of this device is to provide signal buffering and drive capability in digital circuits, making it suitable for bus interface applications.
Manufacturer
The SN74AHCT244PW is manufactured by Texas Instruments. Texas Instruments (TI) is a global semiconductor company that designs and manufactures a broad range of analog and embedded processing chips. Their products are used in a variety of electronic systems and devices, including industrial, automotive, personal electronics, communications equipment, and enterprise systems. TI is known for its innovation in the semiconductor industry and has a strong focus on research and development. The company is headquartered in Dallas, Texas, and has a significant presence worldwide, serving customers across different markets and applications.
Application
The SN74AHCT244PW is an octal buffer/driver with 3-state outputs, commonly used for digital signal buffering and isolation in a variety of applications. Key areas include microcontroller or microprocessor bus interfacing, where it provides signal integrity and drive capability; data distribution in communication systems; and memory addressing where it ensures stable signal transmission. It's also used in industrial automation systems for buffering control signals and in consumer electronics for signal conditioning. Its high-speed CMOS technology makes it suitable for use in applications requiring fast data transfer rates.
Package
The SN74AHCT244PW is a type of octal buffer/driver with 3-state outputs. It comes in a TSSOP (Thin Shrink Small Outline Package) with 20 pins. This package type is suitable for surface-mount technology, providing a compact and efficient design for integrated circuits.
