Overview
The SN74LVTH244APWG4, produced by Texas Instruments, is an octal buffer and line driver with 3-state outputs. This device is part of the LVT (Low-Voltage Technology) family and is designed for high-performance and low-power applications. It operates over a wide voltage range, making it versatile for various digital systems. The SN74LVTH244A is organized as two 4-bit line drivers with separate output-enable (OE) inputs, allowing for flexible control over data transmission.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| VCC Operation Range | 1.65 to 3.6 | V |
| Input Voltage Range | –0.5 to 5.5 | V |
| Operating Temperature Range | –40 to +85°C and –40 to +125°C | °C |
| Propagation Delay Time (tpd) at 3.3 V | 5.9 ns | 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 | > 2.3 | V |
| Package Types | TSSOP, TVSOP, SOIC, SO, VQFN, etc. |
Key Features
- Operates from 1.65 V to 3.6 V, with inputs accepting voltages up to 5.5 V.
- Specified over a temperature range of –40°C to +85°C and –40°C to +125°C.
- Maximum propagation delay time of 5.9 ns at 3.3 V.
- Typical output ground bounce (VOLP) less than 0.8 V and output VOH undershoot (VOHV) greater than 2.3 V at VCC = 3.3 V, TA = 25°C.
- Supports mixed-mode signal operation on all ports, allowing 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.
- Organized as two 4-bit line drivers with separate output-enable (OE) inputs.
- Balanced CMOS 3-state outputs capable of driving high, driving low, and high impedance states.
Applications
- Servers and network switches.
- LED displays.
- Telecom infrastructure.
- Motor-drive control boards.
- I/O expanders.
Q & A
- What is the operating voltage range of the SN74LVTH244APWG4?
The SN74LVTH244APWG4 operates from 1.65 V to 3.6 V.
- What is the maximum propagation delay time at 3.3 V?
The maximum propagation delay time at 3.3 V is 5.9 ns.
- What are the typical output ground bounce and VOH undershoot values at VCC = 3.3 V, TA = 25°C?
The typical output ground bounce (VOLP) is less than 0.8 V, and the output VOH undershoot (VOHV) is greater than 2.3 V.
- Does the SN74LVTH244APWG4 support mixed-mode signal operation?
- What are the package types available for the SN74LVTH244APWG4?
The device is available in TSSOP, TVSOP, SOIC, SO, VQFN, and other package types.
- How does the output-enable (OE) input function?
When OE is low, the device passes data from the A inputs to the Y outputs. When OE is high, the outputs are in the high-impedance state.
- What are some common applications of the SN74LVTH244APWG4?
Common applications include servers, network switches, LED displays, telecom infrastructure, and motor-drive control boards.
- Does the SN74LVTH244APWG4 support partial-power-down mode?
- Can the SN74LVTH244APWG4 be used as a down translator?
- What is the thermal operating range of the SN74LVTH244APWG4?
The device is specified over a temperature range of –40°C to +85°C and –40°C to +125°C.
