SN74LVC244ARGYRG4

Buffers, Drivers, Receivers, Transceivers Overview

The SN74LVC244ARGYRG4 is an octal buffer and line driver manufactured by Texas Instruments, featuring non-inverting logic with three-state outputs. It operates within a supply voltage range of 1.65V to 3.6V and accepts input voltages up to 5.5V, facilitating level translation. The device is specified for operation from -40°C to +85°C and -40°C to +125°C. It exhibits a maximum propagation delay of 5.9ns at 3.3V. The component is housed in a VQFN-20 package.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Provides eight non-inverting buffer channels with three-state output capability for bus-oriented memory and clock drivers.
• Supports input voltage levels up to 5.5V while operating from a lower supply voltage, enabling direct interface between 5V and 3.3V systems.
• Designed for high-speed applications with a maximum propagation delay of 5.9ns at 3.3V.

Buffers, Drivers, Receivers, Transceivers Applications

• Bus-oriented memory and register structures
• Clock drivers
• Buffering for microprocessor systems

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific suffix RG4 corresponds to the VQFN-20 package and tape-and-reel packaging configuration when ordering. Confirm that the temperature grade matches the required operational environment, as the datasheet specifies performance across both commercial and extended industrial ranges. Ensure compatibility with the target PCB footprint for the VQFN-20 form factor during procurement planning.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when an octal buffer with three-state control is required for 3.3V or 1.8V logic systems interfacing with 5V inputs. The VQFN-20 package offers a compact solution for space-constrained designs. Consider the 5.9ns propagation delay at 3.3V for timing-critical applications. Verify that the thermal requirements align with the specified operating temperature ranges for the intended application environment.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the SN74LVC244A family of octal buffers/drivers. The LVC series utilizes advanced CMOS technology to achieve low power consumption and high speed. The 'R' indicates the VQFN package, 'G' denotes lead-free/RoHS compliance, and 'RG4' typically signifies the reel quantity and packaging style. It serves as a standard interface component in digital logic circuits requiring signal buffering and direction control.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

Compatible substitutes include other SN74LVC244 variants with identical pinouts and electrical characteristics, such as SN74LVC244ADWR or SN74LVC244APW, provided the package type difference is accommodated. Ensure any replacement maintains the 3-state output functionality and 5.5V input tolerance.

Buffers, Drivers, Receivers, Transceivers FAQ

Can the SN74LVC244ARGYRG4 interface directly with 5V logic signals?

Yes, the inputs accept voltages up to 5.5V, allowing direct connection to 5V logic sources even when the device is powered by a lower voltage such as 3.3V.

What is the maximum propagation delay for this component?

The maximum propagation delay (tpd) is 5.9ns when operating at a supply voltage of 3.3V.