Overview
The SN74ACT244PWG4 is a high-performance octal buffer and driver manufactured by Texas Instruments. This device is part of the 74ACT series and is designed to enhance the performance and density of 3-state memory address drivers, clock drivers, and bus-oriented receivers and transmitters. It operates within a voltage range of 4.5V to 5.5V and features TTL-compatible inputs and 3-state outputs, making it versatile for various digital logic applications.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | 20-TSSOP (0.173", 4.40mm Width) |
| Logic Type | Buffer, Non-Inverting |
| Number of Elements | 2 |
| Number of Bits per Element | 4 |
| Input Type | TTL-compatible CMOS inputs |
| Output Type | Push-Pull, 3-state outputs |
| Current - Output High, Low | 24mA, 24mA |
| Voltage - Supply | 4.5 V ~ 5.5 V |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Maximum tpd at 5V | 9.5ns |
Key Features
- Operates within a voltage range of 4.5V to 5.5V, making it compatible with a variety of digital logic systems.
- TTL-compatible CMOS inputs ensure compatibility with both TTL and CMOS logic levels.
- 3-state outputs allow for high-impedance state when output enable (OE) is high, reducing power consumption and minimizing bus contention.
- Maximum propagation delay of 9.5ns at 5V, ensuring high-speed data transfer.
- Organized as two 4-bit buffers and drivers with separate output-enable (OE) inputs for flexible control.
- RoHS compliant, ensuring environmental sustainability.
Applications
- LED displays: Ideal for driving LED displays due to its high current drive capability and fast switching times.
- Servers and telecommunications: Used in high-speed data transmission and reception in server and telecommunication systems.
- Switching networks: Suitable for use in switching networks where fast and reliable data transfer is critical.
- Memory address drivers: Enhances the performance of 3-state memory address drivers.
- Clock drivers: Used to drive clock signals in digital circuits.
- Bus-oriented receivers and transmitters: Optimized for use in bus-oriented systems to improve signal integrity and reduce noise.
Q & A
- What is the operating voltage range of the SN74ACT244PWG4?
The operating voltage range is 4.5V to 5.5V.
- What type of inputs does the SN74ACT244PWG4 have?
The device has TTL-compatible CMOS inputs.
- What is the maximum propagation delay at 5V for the SN74ACT244PWG4?
The maximum propagation delay at 5V is 9.5ns.
- How many bits per element does the SN74ACT244PWG4 have?
Each element has 4 bits.
- What is the output type of the SN74ACT244PWG4?
The output type is push-pull with 3-state capability.
- What is the operating temperature range of the SN74ACT244PWG4?
The operating temperature range is -40°C to 85°C.
- Is the SN74ACT244PWG4 RoHS compliant?
Yes, the device is RoHS compliant.
- What are some common applications of the SN74ACT244PWG4?
Common applications include LED displays, servers and telecommunications, switching networks, memory address drivers, clock drivers, and bus-oriented receivers and transmitters.
- How many elements and bits does the SN74ACT244PWG4 have in total?
The device has 2 elements, each with 4 bits, totaling 8 bits.
- What is the purpose of the output-enable (OE) input in the SN74ACT244PWG4?
The output-enable (OE) input allows the outputs to be in a high-impedance state when OE is high, reducing power consumption and minimizing bus contention.
