規格
| 屬性 | 價值 |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Series | 74HCT |
| 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 | 6mA, 6mA |
| Voltage - Supply | 4.5V ~ 5.5V |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
概述
Description
The SN74HCT244PWR is a high-speed CMOS octal buffer/driver from Texas Instruments, designed to improve the performance and interface capability of logic circuits. Part of the 74HCT family, it offers TTL-compatible inputs, making it suitable for a wide range of applications in digital systems. The device comes in a 20-pin TSSOP (Thin Shrink Small Outline Package), which is compact and suitable for space-constrained applications.
Key features include low power consumption, high noise immunity, and the ability to drive 15 LSTTL loads. It operates within a supply voltage range of 4.5V to 5.5V, making it ideal for 5V systems. The SN74HCT244PWR includes two groups of four buffers each, with separate output-enable controls. This configuration allows for easier design of bus-oriented systems and can be used to prevent data bus contention.
Common applications include use in memory address drivers, clock drivers, and bus-oriented receivers or transmitters. Overall, the SN74HCT244PWR is valued for its reliability and efficiency in various digital interfacing tasks.
Key features include low power consumption, high noise immunity, and the ability to drive 15 LSTTL loads. It operates within a supply voltage range of 4.5V to 5.5V, making it ideal for 5V systems. The SN74HCT244PWR includes two groups of four buffers each, with separate output-enable controls. This configuration allows for easier design of bus-oriented systems and can be used to prevent data bus contention.
Common applications include use in memory address drivers, clock drivers, and bus-oriented receivers or transmitters. Overall, the SN74HCT244PWR is valued for its reliability and efficiency in various digital interfacing tasks.
Equivalent
The SN74HCT244PWR is a high-speed CMOS logic octal buffer/driver with 3-state outputs. Equivalent products include:
1. 74HC244 from NXP, ON Semiconductor, and other manufacturers
2. CD74HCT244 from Texas Instruments
3. M74HC244 from STMicroelectronics
These alternatives offer similar functionality but may have variations in parameters such as voltage range, propagation delay, and packaging. Always verify the datasheet for compatibility with your specific application.
1. 74HC244 from NXP, ON Semiconductor, and other manufacturers
2. CD74HCT244 from Texas Instruments
3. M74HC244 from STMicroelectronics
These alternatives offer similar functionality but may have variations in parameters such as voltage range, propagation delay, and packaging. Always verify the datasheet for compatibility with your specific application.
Features
The SN74HCT244PWR is an octal buffer and line driver with 3-state outputs, manufactured by Texas Instruments. Key features include:
1. High-Current Drive Capability: Can drive up to 15 LSTTL loads.
2. 3-State Outputs: Controlled by two output-enable (OE) inputs, allowing for multiple outputs to be connected to common lines.
3. Low Power Consumption: Uses CMOS technology for reduced power usage compared to standard TTL logic.
4. Wide Operating Voltage Range: Compatible with 4.5V to 5.5V power supply levels.
5. High-Speed Operation: Designed for fast data processing.
6. TTL-Compatible Inputs: Ensures compatibility with TTL logic levels.
7. Input Protection: Includes clamp diodes for electrostatic discharge (ESD) protection.
8. Temperature Range: Operates effectively from -40°C to 85°C, suitable for various environments.
9. Compact Package: Available in a TSSOP (Thin Shrink Small Outline Package) for space efficiency.
These features make the SN74HCT244PWR a versatile choice for buffering and driving signals in digital systems.
1. High-Current Drive Capability: Can drive up to 15 LSTTL loads.
2. 3-State Outputs: Controlled by two output-enable (OE) inputs, allowing for multiple outputs to be connected to common lines.
3. Low Power Consumption: Uses CMOS technology for reduced power usage compared to standard TTL logic.
4. Wide Operating Voltage Range: Compatible with 4.5V to 5.5V power supply levels.
5. High-Speed Operation: Designed for fast data processing.
6. TTL-Compatible Inputs: Ensures compatibility with TTL logic levels.
7. Input Protection: Includes clamp diodes for electrostatic discharge (ESD) protection.
8. Temperature Range: Operates effectively from -40°C to 85°C, suitable for various environments.
9. Compact Package: Available in a TSSOP (Thin Shrink Small Outline Package) for space efficiency.
These features make the SN74HCT244PWR a versatile choice for buffering and driving signals in digital systems.
Pinout
The SN74HCT244PWR is a 20-pin integrated circuit that functions as an octal buffer/line 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 "PWR" suffix indicates the package type, which is TSSOP (Thin Shrink Small Outline Package). This device features two groups of four buffers with separate control lines, allowing for greater flexibility in data management. It is commonly used in applications where high-speed signal buffering is required, such as in microcontroller or microprocessor systems.
Manufacturer
The SN74HCT244PWR is manufactured by Texas Instruments (TI). Texas Instruments is an American technology company that designs and manufactures semiconductors and various integrated circuits. Their products are widely used in electronics, including in industries such as automotive, industrial, personal electronics, communications equipment, and enterprise systems. TI is known for its innovations in analog and embedded processing technologies, and it operates globally, serving a broad range of customers and applications.
Application
The SN74HCT244PWR is a high-speed CMOS octal buffer/line driver with 3-state outputs, commonly used in digital circuits. Its application areas include:
1. Bus Driver: Facilitates data transfer between different sections of a digital system by driving data onto a common bus.
2. Memory Address Driving: Drives memory address lines and ensures signal integrity.
3. Level Shifting: Converts TTL-compatible inputs to CMOS logic levels, useful in mixed-voltage systems.
4. Signal Isolation: Provides isolation and buffering between different stages in a circuit to prevent loading effects.
5. Multiplexer/De-Multiplexer Applications: Used in systems requiring multiple data paths, such as networking and communication devices.
Its versatility is beneficial in computers, telecommunications, and industrial control systems.
1. Bus Driver: Facilitates data transfer between different sections of a digital system by driving data onto a common bus.
2. Memory Address Driving: Drives memory address lines and ensures signal integrity.
3. Level Shifting: Converts TTL-compatible inputs to CMOS logic levels, useful in mixed-voltage systems.
4. Signal Isolation: Provides isolation and buffering between different stages in a circuit to prevent loading effects.
5. Multiplexer/De-Multiplexer Applications: Used in systems requiring multiple data paths, such as networking and communication devices.
Its versatility is beneficial in computers, telecommunications, and industrial control systems.
Package
The SN74HCT244PWR is a 20-pin TSSOP (Thin Shrink Small Outline Package).
