Overview
The SN74LVC244ADWRE4 is an octal bus buffer/line driver produced by Texas Instruments. This component is designed for asynchronous communication between data buses and operates within a voltage range of 1.65 V to 3.6 V. It is suitable for a wide range of applications requiring reliable and efficient data transmission.
Key Specifications
| Parameter | Value |
|---|---|
| Operating Voltage Range | 1.65 V to 3.6 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 Undershoot (VOHV) at VCC= 3.3 V, TA= 25°C | > 2 V |
| Package Type | SOIC-20 |
| Pins | 20 |
Key Features
- Operates from 1.65 V to 3.6 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).
- 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.
- Available in ultra-small logic QFN package (0.5 mm maximum height).
- Latch-up performance exceeds 250 mA per JESD 17.
- ESD protection exceeds JESD 22 - 2000-V Human-Body Model and 1000-V Charged-Device Model.
Applications
The SN74LVC244ADWRE4 is suitable for various applications requiring reliable and efficient data transmission, including:
- Asynchronous communication between data buses.
- Mixed-mode signal operations.
- Down translation of input signals.
- Live insertion and partial-power-down mode applications.
- General-purpose buffering and driving in digital systems.
Q & A
- What is the operating voltage range of the SN74LVC244ADWRE4?
The SN74LVC244ADWRE4 operates within a voltage range of 1.65 V to 3.6 V.
- What is the maximum input voltage the SN74LVC244ADWRE4 can accept?
The SN74LVC244ADWRE4 can accept input voltages up to 5.5 V.
- What is the maximum propagation delay at 3.3 V for the SN74LVC244ADWRE4?
The maximum propagation delay at 3.3 V is 5.9 ns.
- Does the SN74LVC244ADWRE4 support mixed-mode signal operation?
- What kind of ESD protection does the SN74LVC244ADWRE4 offer?
The SN74LVC244ADWRE4 offers ESD protection exceeding JESD 22 - 2000-V Human-Body Model and 1000-V Charged-Device Model.
- What are the available package types for the SN74LVC244ADWRE4?
The SN74LVC244ADWRE4 is available in SOIC-20 and other ultra-small logic packages.
- Can the SN74LVC244ADWRE4 be used for live insertion and partial-power-down mode applications?
- What is the operating temperature range of the SN74LVC244ADWRE4?
The operating temperature range is –40°C to +85°C and –40°C to +125°C.
- Does the SN74LVC244ADWRE4 have any specific use cases in digital systems?
- Is the SN74LVC244ADWRE4 suitable for down translation of input signals?
