Overview
The SN74ACT244DWE4 is a non-inverting octal buffer and line driver integrated circuit manufactured by Texas Instruments. It is part of the 74ACT series, known for its high-speed and low-power consumption. This IC is packaged in a 20-pin SOIC (Small Outline Integrated Circuit) package and is designed for surface mount applications. The device operates within a voltage range of 4.5V to 5.5V and is suitable for ambient temperatures between -40°C and 85°C. It features 3-state outputs and is widely used in various digital logic circuits for signal buffering and driving.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Logic Type | Buffer, Non-Inverting |
| Mounting Type | Surface Mount |
| Number of Bits per Element | 4 |
| Number of Elements | 2 |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Output Type | 3-State |
| Package | 20-SOIC (0.295", 7.50mm Width) |
| Voltage - Supply | 4.5V ~ 5.5V |
| Current - Output High, Low | 24mA, 24mA |
| Maximum Frequency at Nominal Voltage | 90 MHz |
| Propagation Delay at Nominal Voltage | 9 ns |
| RoHS Status | Compliant |
Key Features
- High-Speed Operation: The SN74ACT244DWE4 operates at frequencies up to 90 MHz, making it suitable for high-speed digital applications.
- Low Power Consumption: The IC has a low quiescent current of 4 μA, which is beneficial for power-sensitive designs.
- 3-State Outputs: The device features 3-state outputs, allowing for bus-oriented applications where the outputs can be set to a high-impedance state.
- Wide Operating Temperature Range: It operates over a temperature range of -40°C to 85°C, making it versatile for various environmental conditions.
- Surface Mount Package: The 20-pin SOIC package is designed for surface mount applications, facilitating easy integration into modern PCB designs.
Applications
- Signal Buffering: The SN74ACT244DWE4 is used to buffer digital signals, ensuring signal integrity and preventing signal degradation over long distances.
- Line Driving: It acts as a line driver, capable of driving long cables or multiple loads in digital systems.
- Bus-Oriented Systems: The 3-state outputs make it ideal for use in bus-oriented systems where multiple devices need to share a common signal line.
- High-Speed Digital Circuits: Suitable for high-speed digital circuits requiring fast propagation delays and reliable signal transmission.
Q & A
- What is the operating voltage range of the SN74ACT244DWE4?
The operating voltage range is 4.5V to 5.5V.
- What is the maximum output current of the SN74ACT244DWE4?
The maximum output current is 24mA for both high and low logic states.
- What is the package type of the SN74ACT244DWE4?
The package type is 20-pin SOIC (Small Outline Integrated Circuit).
- What is the operating temperature range of the SN74ACT244DWE4?
The operating temperature range is -40°C to 85°C.
- Does the SN74ACT244DWE4 support 3-state outputs?
Yes, it supports 3-state outputs.
- What is the maximum frequency at nominal voltage for the SN74ACT244DWE4?
The maximum frequency at nominal voltage is 90 MHz.
- Is the SN74ACT244DWE4 RoHS compliant?
Yes, it is RoHS compliant.
- What is the propagation delay at nominal voltage for the SN74ACT244DWE4?
The propagation delay at nominal voltage is 9 ns.
- How many bits per element does the SN74ACT244DWE4 have?
It has 4 bits per element.
- How many elements are in the SN74ACT244DWE4?
It contains 2 elements.
