Overview
The SN74LS244DWR is an octal buffer and line driver manufactured by Texas Instruments. This device is part of the SNx4LS24x series, designed to enhance the performance and density of three-state memory address drivers, clock drivers, and bus-oriented receivers and transmitters. It features 3-state outputs, which can be individually disabled by setting the output enable (OE) pin to a low logic level. This component is particularly useful in improving data bus performance and reducing system costs in various electronic systems.
Key Specifications
| Parameter | Description | Value |
|---|---|---|
| Package Type | SOIC-20-300mil | SOIC (20 pins) |
| Operating Temperature | 0 to 70°C | 0 to 70°C |
| Supply Voltage | 4.75V to 5.25V | 4.75V to 5.25V |
| Output Current | 24mA | 24mA |
| Propagation Delay | Maximum 15 ns at 5 V | Maximum 15 ns at 5 V |
| Output Enable | Individual output enable (OE) pins | Individual output enable (OE) pins |
| Package Dimensions | Width: 7.5 mm, Length: 12.8 mm, Thickness: 2.35 mm | Width: 7.5 mm, Length: 12.8 mm, Thickness: 2.35 mm |
Key Features
- Octal buffers and line drivers with 3-state outputs
- TTL compatible
- High fan-out and improved fan-in
- 400-mV noise margin
- PNP inputs reduce DC loading
- Hysteresis at inputs improves noise margins
- Ability to drive terminated lines down to 133 Ω
- Individual output enable (OE) pins for each buffer
Applications
- Servers
- LED Displays
- Network Switches
- Telecom Infrastructure
- Motor Drivers
- I/O Expanders
Q & A
- What is the SN74LS244DWR used for?
The SN74LS244DWR is used as an octal buffer and line driver to improve the performance and density of three-state memory address drivers, clock drivers, and bus-oriented receivers and transmitters.
- What is the operating temperature range of the SN74LS244DWR?
The operating temperature range is 0 to 70°C.
- What is the supply voltage range for the SN74LS244DWR?
The supply voltage range is 4.75V to 5.25V.
- What is the maximum propagation delay of the SN74LS244DWR?
The maximum propagation delay is 15 ns at 5 V.
- Can the outputs of the SN74LS244DWR be individually disabled?
- What are some common applications of the SN74LS244DWR?
- Is the SN74LS244DWR TTL compatible?
- What is the package type of the SN74LS244DWR?
- What are the dimensions of the SN74LS244DWR package?
- Can the SN74LS244DWR drive terminated lines?
