Overview
The SN74ACT244PW is an octal buffer and driver integrated circuit produced by Texas Instruments. It is designed to enhance the performance and density of 3-state memory address drivers, clock drivers, and bus-oriented receivers and transmitters. The device is organized as two 4-bit buffers and drivers with separate output-enable (OE) inputs, allowing for non-inverted data transfer from the A inputs to the Y outputs when OE is low, and high-impedance state when OE is high.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package | TSSOP (PW) | |
| Pins | 20 | |
| Operating Temperature Range | -40 to 85 | °C |
| VCC Operation Range | 4.5 to 5.5 | V |
| Input Voltage Range | Up to 5.5 | V |
| Maximum tpd at 5V | 9.5 | ns |
| Input Compatibility | TTL-compatible |
Key Features
- 4.5V to 5.5V VCC operation.
- Inputs accept voltages up to 5.5V.
- Maximum propagation delay (tpd) of 9.5ns at 5V.
- Inputs are TTL-compatible.
- Three-state outputs with separate output-enable (OE) inputs.
Applications
- 3-state memory address drivers.
- Clock drivers.
- Bus-oriented receivers and transmitters.
- LED displays.
- Servers and telecommunication systems.
- Switching networks.
Q & A
- What is the SN74ACT244PW used for?
The SN74ACT244PW is used to improve the performance and density of 3-state memory address drivers, clock drivers, and bus-oriented receivers and transmitters.
- What is the operating temperature range of the SN74ACT244PW?
The operating temperature range is -40°C to 85°C.
- What is the VCC operation range of the SN74ACT244PW?
The VCC operation range is 4.5V to 5.5V.
- What is the maximum propagation delay (tpd) at 5V for the SN74ACT244PW?
The maximum propagation delay (tpd) at 5V is 9.5ns.
- Are the inputs of the SN74ACT244PW TTL-compatible?
Yes, the inputs are TTL-compatible.
- What type of outputs does the SN74ACT244PW have?
The SN74ACT244PW has three-state outputs with separate output-enable (OE) inputs.
- What package types are available for the SN74ACT244?
The SN74ACT244 is available in various packages including TSSOP (PW), SOIC, PDIP, and others.
- What are some common applications of the SN74ACT244PW?
Common applications include LED displays, servers and telecommunication systems, and switching networks.
- How many channels does the SN74ACT244PW have?
The SN74ACT244PW has 8 channels, organized as two 4-bit buffers and drivers.
- What is the significance of the output-enable (OE) input in the SN74ACT244PW?
The output-enable (OE) input controls the state of the outputs; when OE is low, the device passes non-inverted data, and when OE is high, the outputs are in the high-impedance state.
