Overview
The SN74LS244NSRG4 is an octal buffer and line driver produced by Texas Instruments. This device is designed to enhance the performance and density of three-state memory address drivers, clock drivers, and bus-oriented receivers and transmitters. It features two 4-bit buffers and drivers with separate output-enable (G) inputs, allowing for flexible control over the output states. The device is compatible with both 3.3-V and 5-V logic inputs, making it versatile for various applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Operating Temperature Range | 0 to 70 | °C |
| Supply Voltage (VCC) | 4.75 to 5.25 | V |
| Propagation Delay Time (tPLH, tPHL) | 12 to 18 | ns |
| Output Enable Time (tPZL, tPZH) | 15 to 25 | ns |
| Input Voltage Range | 0 to 5.5 | V |
| Output Current (IOL) | Up to 16 | mA |
| Package Type | SOP (NS) | |
| Pins | 20 | |
| Noise Margin | 400 mV |
Key Features
- 3-State Outputs Drive Bus Lines or Buffer Memory Address Registers
- PNP Inputs Reduce DC Loading
- Hysteresis at Inputs Improves Noise Margins
- Maximum Propagation Delay of 15 ns at 5 V
- Inputs Tolerant Down to 2 V, Compatible With 3.3-V or 2.5-V Logic Inputs
- High Fan-Out and Improved Fan-In
- Can Drive Terminated Lines Down to 133 Ω
Applications
- Servers
- LED Displays
- Network Switches
- Telecom Infrastructure
- Motor Drivers
- I/O Expanders
Q & A
- What is the primary function of the SN74LS244NSRG4?
The primary function is to act as an octal buffer and line driver, enhancing 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 SN74LS244NSRG4?
The operating temperature range is from 0°C to 70°C. - What is the maximum propagation delay time at 5 V?
The maximum propagation delay time is 15 ns. - Can the SN74LS244NSRG4 drive terminated lines?
Yes, it can drive terminated lines down to 133 Ω. - What type of inputs does the SN74LS244NSRG4 have?
The device has PNP inputs which reduce DC loading and feature hysteresis to improve noise margins. - Is the SN74LS244NSRG4 compatible with 3.3-V logic inputs?
Yes, it is compatible with both 3.3-V and 5-V logic inputs. - What is the noise margin of the SN74LS244NSRG4?
The noise margin is 400 mV. - What are some common applications of the SN74LS244NSRG4?
Common applications include servers, LED displays, network switches, telecom infrastructure, motor drivers, and I/O expanders. - What package type is the SN74LS244NSRG4 available in?
The device is available in SOP (NS) package type. - How many pins does the SN74LS244NSRG4 have?
The device has 20 pins.
