SN74LVT245BZQNR

Buffers, Drivers, Receivers, Transceivers Overview

The SN74LVT245BZQNR is an octal bus transceiver designed for low-voltage (3.3-V) VCC operation with TTL interface capability to 5-V systems. It supports unregulated battery operation down to 2.7 V and features typical output ground bounce of less than 0.8 V at VCC = 3.3 V. The device provides Ioff and power-up 3-state support for hot insertion applications. Latch-up performance exceeds 100 mA per JESD 78, Class II, and ESD protection exceeds 2000-V human-body model, 200-V machine model, and 1000-V charged-device model standards.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Supports mixed-mode signal operation with 5-V input and output voltages while operating at 3.3-V VCC
• Provides Ioff and power-up 3-state functionality to enable safe hot-insertion without damaging backflow currents
• Features robust latch-up protection exceeding 100 mA per JESD 78, Class II specifications

Buffers, Drivers, Receivers, Transceivers Applications

• Asynchronous communication between data buses
• Mixed-mode signal environments requiring 5-V tolerance on a 3.3-V system
• Hot-insertion applications utilizing Ioff circuitry

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific ZQN package designation and lead-free status against current Texas Instruments documentation before procurement. Confirm that the ordering suffix matches the required tape and reel configuration. Ensure design compatibility with the recommended operating conditions, specifically the 2.7-V to 3.6-V supply voltage range and the -40°C to 85°C temperature limits.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when an octal bus transceiver is required for 3.3-V systems interfacing with 5-V logic levels. The device is suitable for applications demanding high ESD protection and latch-up resistance. Consider the MicroStar Junior package for space-constrained designs requiring surface-mount installation.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the SN74LVT245B family of octal bus transceivers manufactured by Texas Instruments. It is distinct from other variants by its ZQN package type, which utilizes a lead-free MicroStar Junior configuration. The device operates within the LVT logic series, providing non-inverting transmission between two 8-bit buses controlled by direction and output-enable inputs.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

SN74LVT245BGQNR