規格
| 屬性 | 價值 |
| Package / Case | Tube |
| 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 SN74HCT244PW is a high-speed CMOS octal buffer/driver designed for medium to high-speed applications. It is part of the 74HCT series, which operates with TTL-compatible inputs, making it suitable for interfacing with TTL logic levels in mixed logic systems. This device features two 4-bit buffers with separate output-enable inputs, allowing partial access to the data.
The SN74HCT244PW offers a wide operating voltage range from 4.5V to 5.5V, ensuring compatibility with 5V systems. It is known for low power consumption, thanks to CMOS technology, and provides high noise immunity. The device is commonly used in applications that require buffering and driving capabilities, such as memory address driving, data transmission, and bus-oriented systems.
Packaged in a TSSOP (Thin Shrink Small Outline Package), the SN74HCT244PW is suitable for space-constrained applications. It is ideal for use in environments where efficient and reliable data management and distribution are critical.
The SN74HCT244PW offers a wide operating voltage range from 4.5V to 5.5V, ensuring compatibility with 5V systems. It is known for low power consumption, thanks to CMOS technology, and provides high noise immunity. The device is commonly used in applications that require buffering and driving capabilities, such as memory address driving, data transmission, and bus-oriented systems.
Packaged in a TSSOP (Thin Shrink Small Outline Package), the SN74HCT244PW is suitable for space-constrained applications. It is ideal for use in environments where efficient and reliable data management and distribution are critical.
Equivalent
The SN74HCT244PW is a non-inverting buffer/driver with 3-state outputs. Equivalent products include:
1. 74HCT244 from manufacturers like Nexperia or ON Semiconductor.
2. CD74HCT244 from Texas Instruments.
3. MC74HCT244A from ON Semiconductor.
4. TC74HCT244A from Toshiba.
These alternatives typically have similar electrical characteristics and functionalities suitable for replacing the SN74HCT244PW in most applications. Always verify datasheets for specific compatibility.
1. 74HCT244 from manufacturers like Nexperia or ON Semiconductor.
2. CD74HCT244 from Texas Instruments.
3. MC74HCT244A from ON Semiconductor.
4. TC74HCT244A from Toshiba.
These alternatives typically have similar electrical characteristics and functionalities suitable for replacing the SN74HCT244PW in most applications. Always verify datasheets for specific compatibility.
Features
The SN74HCT244PW is a high-speed CMOS logic octal buffer/line driver with 3-state outputs, designed for 4.5-V to 5.5-V VCC operation. Key features include:
1. High-Speed Operation: Compatible with low-power Schottky TTL, providing fast switching speeds.
2. Logic Compatibility: TTL-compatible inputs make it suitable for interfacing with TTL logic levels.
3. 3-State Outputs: Allows multiple outputs to connect to the same bus; outputs can be switched to a high-impedance state.
4. Low Power Consumption: Features a CMOS design that ensures minimal power usage.
5. Wide Operating Voltage Range: Operates efficiently within 4.5 V to 5.5 V.
6. Current Drive Capability: Can source or sink up to 6 mA of current.
7. Temperature Range: Operates within a temperature range of -40°C to 85°C, making it suitable for various environments.
8. Package Type: Available in TSSOP (Thin Shrink Small Outline Package), which is compact for space-constrained applications.
These features make the SN74HCT244PW suitable for driving bus lines and buffer memory address registers.
1. High-Speed Operation: Compatible with low-power Schottky TTL, providing fast switching speeds.
2. Logic Compatibility: TTL-compatible inputs make it suitable for interfacing with TTL logic levels.
3. 3-State Outputs: Allows multiple outputs to connect to the same bus; outputs can be switched to a high-impedance state.
4. Low Power Consumption: Features a CMOS design that ensures minimal power usage.
5. Wide Operating Voltage Range: Operates efficiently within 4.5 V to 5.5 V.
6. Current Drive Capability: Can source or sink up to 6 mA of current.
7. Temperature Range: Operates within a temperature range of -40°C to 85°C, making it suitable for various environments.
8. Package Type: Available in TSSOP (Thin Shrink Small Outline Package), which is compact for space-constrained applications.
These features make the SN74HCT244PW suitable for driving bus lines and buffer memory address registers.
Pinout
The SN74HCT244PW is a 20-pin integrated circuit designed as an octal buffer/line driver with 3-state outputs. It functions primarily to improve the performance and density of memory address drivers, clock drivers, and bus-oriented receivers and transmitters. The device contains two separate 4-bit buffers with separate control for each buffer.
Key features of the SN74HCT244PW include:
- It operates from a supply voltage range of 4.5 V to 5.5 V.
- High noise immunity and low power consumption.
- It is compatible with TTL-level inputs.
- 3-state outputs allow for connection to the bus lines without interfering with other devices.
In summary, the SN74HCT244PW is a 20-pin device used to buffer and drive lines, with the capability to enable or disable each 4-bit buffer independently, suitable for interfacing with TTL logic levels.
Key features of the SN74HCT244PW include:
- It operates from a supply voltage range of 4.5 V to 5.5 V.
- High noise immunity and low power consumption.
- It is compatible with TTL-level inputs.
- 3-state outputs allow for connection to the bus lines without interfering with other devices.
In summary, the SN74HCT244PW is a 20-pin device used to buffer and drive lines, with the capability to enable or disable each 4-bit buffer independently, suitable for interfacing with TTL logic levels.
Manufacturer
The SN74HCT244PW is manufactured by Texas Instruments (TI), a well-known American technology company. Texas Instruments is renowned for its design and manufacture of semiconductors and various integrated circuits (ICs). The company serves a wide range of industries, including consumer electronics, automotive, industrial, and communication systems.
TI is particularly recognized for its analog and digital embedded processing products. The SN74HCT244PW itself is a part of TI's logic IC offerings, specifically a high-speed CMOS logic device used for buffering and driving applications. TI's products are fundamental components in a variety of electronic systems, and the company has a global presence, contributing to advancements in technology and innovation.
In summary, Texas Instruments is a leading semiconductor manufacturer, providing essential components for numerous electronic applications worldwide.
TI is particularly recognized for its analog and digital embedded processing products. The SN74HCT244PW itself is a part of TI's logic IC offerings, specifically a high-speed CMOS logic device used for buffering and driving applications. TI's products are fundamental components in a variety of electronic systems, and the company has a global presence, contributing to advancements in technology and innovation.
In summary, Texas Instruments is a leading semiconductor manufacturer, providing essential components for numerous electronic applications worldwide.
Application
The SN74HCT244PW is a high-speed CMOS octal buffer/line driver with 3-state outputs, commonly used in various digital applications. Key areas include microprocessor and microcontroller interfacing for buffering and driving data buses, memory addressing for enhancing signal integrity across longer distances, and communication systems where signal isolation and level shifting are needed. It's also useful in data acquisition systems, instrumentation, and industrial automation for improving signal quality and reliability. The device's ability to drive capacitive loads and its noise immunity make it suitable for complex digital circuits, ensuring accurate data transfer and synchronization between different parts of a system.
Package
The SN74HCT244PW is an integrated circuit in a TSSOP (Thin Shrink Small Outline Package) with 20 pins. It's part of Texas Instruments' 74HCT logic family, providing high-speed CMOS logic gates with TTL-compatible inputs.
