SN74LVTH240RGYR

Buffers, Drivers, Receivers, Transceivers Overview

The SN74LVTH240RGYR is a 3.3-V ABT octal buffer and line driver with 3-state outputs, manufactured by Texas Instruments. It operates within a supply voltage range of 2.7 V to 3.6 V and supports mixed-mode signal operation, allowing 5-V input and output voltages with 3.3-V VCC. The device features active bus-hold circuitry on data inputs and Ioff support for hot insertion. It is housed in a 20-pin QFN (RGY) package and is rated for an operating temperature range of -40°C to +85°C.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Supports mixed-mode signal operation with 5-V tolerant inputs and outputs while operating at 3.3-V VCC
• Features active bus-hold circuitry on data inputs to eliminate the need for external pullup or pulldown resistors
• Provides Ioff and power-up 3-state support to enable safe hot-insertion applications

Buffers, Drivers, Receivers, Transceivers Applications

• Mixed-mode signal translation between 5-V and 3.3-V system environments
• Bus-oriented memory and address drivers
• Clock drivers and buffered oscillators

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific ordering suffix RGYR corresponds to the QFN package and tape-and-reel carrier configuration. Confirm that the RoHS status and lead finish meet project requirements. Ensure the operating temperature range of -40°C to +85°C aligns with the environmental specifications of the target application.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when 3.3-V operation is required alongside 5-V interface compatibility. The RGY package offers a compact surface-mount solution suitable for high-density designs. Consider the device's low static current and latch-up performance exceeding 500 mA per JESD 17 for robust system reliability.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the SN74LVTH240 family of octal buffers and line drivers. It is designed specifically for low-voltage 3.3-V VCC operation but maintains TTL interface capabilities. The family includes various package options such as SOIC, TSSOP, and SSOP, providing flexibility for different board space and thermal requirements.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

SN74LVTH240PWG4

Buffers, Drivers, Receivers, Transceivers FAQ

Does the SN74LVTH240RGYR support hot insertion?

Yes, the device is fully specified for hot-insertion applications using Ioff and power-up 3-state circuitry, which prevents damaging current backflow and driver conflicts during power transitions.

What is the function of the bus-hold circuitry in this device?

The active bus-hold circuitry holds unused or undriven inputs at a valid logic state, eliminating the need for external pullup or pulldown resistors.