Overview
The SN74LV244ANSR is an octal buffer and line driver IC manufactured by Texas Instruments. This device is designed for asynchronous communication between data buses and operates within a wide voltage range, making it versatile for various applications. It features tri-state outputs and is packaged in a 20-pin SOP (NS) package.
Key Specifications
| Parameter | Value |
|---|---|
| Operating Voltage (VCC) | 2 V to 5.5 V |
| Input Voltage Range | Up to 5.5 V |
| Operating Temperature Range | –40°C to +85°C and –40°C to +125°C |
| Maximum Propagation Delay (tpd) at 3.3 V | 5.9 ns |
| Output Ground Bounce (VOLP) at VCC= 3.3 V, TA= 25°C | < 0.8 V |
| Output VOH Undershoot (VOHV) at VCC= 3.3 V, TA= 25°C | > 2 V |
Key Features
- Operates from 2 V to 5.5 V
- Inputs accept voltages up to 5.5 V
- Supports mixed-mode signal operation on all ports (5-V input or output voltage with 3.3-V VCC)
- Ioff supports live insertion, partial-power-down mode, and back-drive protection
- Can be used as a down translator to translate inputs from a maximum of 5.5 V down to the VCC level
Applications
The SN74LV244ANSR is commonly used in various digital signal processing applications, including computing, telecommunications, and industrial automation. It is particularly useful for driving capacitive loads or interfacing high-performance logic circuits.
Q & A
- What is the operating voltage range of the SN74LV244ANSR?
The operating voltage range is from 2 V to 5.5 V. - What is the maximum propagation delay at 3.3 V?
The maximum propagation delay at 3.3 V is 5.9 ns. - What is the output ground bounce at VCC= 3.3 V and TA= 25°C?
The output ground bounce is less than 0.8 V. - Does the SN74LV244ANSR support mixed-mode signal operation?
Yes, it supports mixed-mode signal operation on all ports. - What is the purpose of the Ioff feature?
The Ioff feature supports live insertion, partial-power-down mode, and back-drive protection. - Can the SN74LV244ANSR be used as a down translator?
Yes, it can be used to translate inputs from a maximum of 5.5 V down to the VCC level. - What is the package type of the SN74LV244ANSR?
The package type is SOP (NS) with 20 pins. - What are the common applications of the SN74LV244ANSR?
Common applications include computing, telecommunications, and industrial automation. - What is the operating temperature range of the SN74LV244ANSR?
The operating temperature range is from –40°C to +85°C and –40°C to +125°C. - Does the SN74LV244ANSR support TTL-compatible inputs?
No, it does not specifically mention TTL-compatible inputs; however, it supports a wide range of input voltages.
