Specifications
| Attribute | Value |
| Package / Case | Tape & Reel (TR),Cut Tape (CT),Bulk |
| 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 |
Overview
Description
The SN74HCT244DWR is an integrated circuit from Texas Instruments, featuring an octal buffer/driver with three-state outputs. Designed for high-performance memory and bus applications, it provides efficient signal buffering and driving capabilities. Operable in a wide voltage range (4.5V to 5.5V), it is TTL-compatible, ensuring compatibility with standard logic families.
Key features include:
1. High-Speed Operation: Ensures quick signal processing, essential for high-performance applications.
2. Three-State Outputs: Allows multiple outputs to connect to a single bus line without interference, enhancing flexibility in circuit design.
3. Low Power Consumption: Ideal for power-sensitive applications.
4. Input Clamping Diodes: Protects against over-voltage conditions, increasing reliability.
5. Noise Immunity: Offers stable operation in noisy environments.
The SN74HCT244DWR is typically used in digital systems for interfacing and buffering data lines. Its small-outline package is suitable for space-constrained applications in consumer electronics, computers, and industrial equipment.
Key features include:
1. High-Speed Operation: Ensures quick signal processing, essential for high-performance applications.
2. Three-State Outputs: Allows multiple outputs to connect to a single bus line without interference, enhancing flexibility in circuit design.
3. Low Power Consumption: Ideal for power-sensitive applications.
4. Input Clamping Diodes: Protects against over-voltage conditions, increasing reliability.
5. Noise Immunity: Offers stable operation in noisy environments.
The SN74HCT244DWR is typically used in digital systems for interfacing and buffering data lines. Its small-outline package is suitable for space-constrained applications in consumer electronics, computers, and industrial equipment.
Equivalent
The SN74HCT244DWR is an octal buffer/line driver with 3-state outputs. Equivalent products include:
1. 74HCT244 from Nexperia, ON Semiconductor, and other manufacturers.
2. CD74HCT244 from Texas Instruments.
3. MC74HCT244A from ON Semiconductor.
4. TC74HCT244A from Toshiba.
These alternatives offer similar functionality and electrical characteristics, ensuring compatibility in most applications. Always check datasheets for pin configurations and electrical specifications to ensure compatibility before substitution.
1. 74HCT244 from Nexperia, ON Semiconductor, and other manufacturers.
2. CD74HCT244 from Texas Instruments.
3. MC74HCT244A from ON Semiconductor.
4. TC74HCT244A from Toshiba.
These alternatives offer similar functionality and electrical characteristics, ensuring compatibility in most applications. Always check datasheets for pin configurations and electrical specifications to ensure compatibility before substitution.
Features
The SN74HCT244DWR is an octal buffer/driver with 3-state outputs, commonly used in digital circuits to improve signal integrity and drive capability. Key features include:
1. High-Speed Operation: Designed for high-speed applications, ensuring quick data processing.
2. Low Power Consumption: Consumes minimal power, making it suitable for use in power-sensitive applications.
3. TTL-Compatible Inputs: Compatible with TTL logic levels, facilitating easy integration with other TTL devices.
4. 3-State Outputs: Offers three output states—high, low, and high-impedance—for effective bus line driving and isolation.
5. Wide Voltage Range: Operates over a broad voltage range, typically from 4.5V to 5.5V.
6. Capable of Driving Large Loads: Can drive up to 15 LSTTL loads, enabling it to handle significant current demands.
7. Latch-Up Performance: Provides robust latch-up immunity, improving reliability.
8. Temperature Range: Suitable for operation over a wide temperature range, often from -40°C to 85°C, making it versatile for various environments.
These features make the SN74HCT244DWR a versatile choice for buffering and driving signals in complex digital systems.
1. High-Speed Operation: Designed for high-speed applications, ensuring quick data processing.
2. Low Power Consumption: Consumes minimal power, making it suitable for use in power-sensitive applications.
3. TTL-Compatible Inputs: Compatible with TTL logic levels, facilitating easy integration with other TTL devices.
4. 3-State Outputs: Offers three output states—high, low, and high-impedance—for effective bus line driving and isolation.
5. Wide Voltage Range: Operates over a broad voltage range, typically from 4.5V to 5.5V.
6. Capable of Driving Large Loads: Can drive up to 15 LSTTL loads, enabling it to handle significant current demands.
7. Latch-Up Performance: Provides robust latch-up immunity, improving reliability.
8. Temperature Range: Suitable for operation over a wide temperature range, often from -40°C to 85°C, making it versatile for various environments.
These features make the SN74HCT244DWR a versatile choice for buffering and driving signals in complex digital systems.
Pinout
The SN74HCT244DWR is an integrated circuit that functions as an octal buffer/driver with 3-state outputs. It has a total of 20 pins. This IC is primarily used for buffering and driving data lines in digital circuits.
Key functions and pin details include:
- Power Supply (Vcc and GND): It operates at a voltage range typically between 4.5V and 5.5V.
- Data Inputs/Outputs: There are 8 input pins and 8 corresponding output pins, divided into two groups. Each group has four input/output pairs.
- Enable Pins: The device includes two output enable pins, each controlling a group of four outputs, allowing for selective output control.
The SN74HCT244DWR is ideal for increasing drive capability and isolating bus lines, and it can be used in a variety of digital applications where buffering is required.
Key functions and pin details include:
- Power Supply (Vcc and GND): It operates at a voltage range typically between 4.5V and 5.5V.
- Data Inputs/Outputs: There are 8 input pins and 8 corresponding output pins, divided into two groups. Each group has four input/output pairs.
- Enable Pins: The device includes two output enable pins, each controlling a group of four outputs, allowing for selective output control.
The SN74HCT244DWR is ideal for increasing drive capability and isolating bus lines, and it can be used in a variety of digital applications where buffering is required.
Manufacturer
The SN74HCT244DWR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and manufactures a wide range of integrated circuits, embedded processors, and analog and digital signal processing solutions. TI's products are used in various applications across industries such as automotive, consumer electronics, industrial, communications, and more. The company is known for its innovation in analog and embedded processing products, as well as its commitment to sustainability and education.
Application
The SN74HCT244DWR is an octal buffer/line driver with 3-state outputs, commonly used in digital circuits for signal buffering, isolation, and driving high capacitance loads. Its application areas include:
1. Data Bus Buffering: Facilitating communication between microcontrollers and peripherals by buffering data lines.
2. Signal Isolation: Protecting sensitive circuits from noise by isolating input and output signals.
3. Level Shifting: Converting signal levels between different voltage domains in mixed-voltage systems.
4. Memory Address Driving: Driving memory address lines to ensure signal integrity in high-speed memory systems.
5. Interfacing: Serving as an interface between logic devices operating at different voltage levels.
These capabilities make it suitable for use in computing, telecommunications, consumer electronics, and automotive applications.
1. Data Bus Buffering: Facilitating communication between microcontrollers and peripherals by buffering data lines.
2. Signal Isolation: Protecting sensitive circuits from noise by isolating input and output signals.
3. Level Shifting: Converting signal levels between different voltage domains in mixed-voltage systems.
4. Memory Address Driving: Driving memory address lines to ensure signal integrity in high-speed memory systems.
5. Interfacing: Serving as an interface between logic devices operating at different voltage levels.
These capabilities make it suitable for use in computing, telecommunications, consumer electronics, and automotive applications.
Package
The SN74HCT244DWR is a high-speed CMOS logic octal buffer/driver with 3-state outputs from Texas Instruments. It comes in a 20-pin SOIC (Small Outline Integrated Circuit) package, specifically the "DWR" package designation, which indicates a tape and reel format for automated assembly processes.
