SN74LVCH16T245DGGR

Buffers, Drivers, Receivers, Transceivers Overview

The SN74LVCH16T245DGGR is a 16-bit translating transceiver from Texas Instruments, housed in a TSSOP-48 package. It supports a data rate of 500 Mb/s with a propagation delay of 6 ns. The device operates on dual power supplies ranging from 1.65 V to 5.5 V for both ports. It features three-state outputs and is designed for mixed-voltage mode data communication across asynchronous buses.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Configurable dual-rail design allows independent voltage selection for each port within the 1.65-V to 5.5-V range.
• Integrated bus hold function eliminates the need for external pull-up or pull-down resistors on unused inputs.
• Provides partial shutdown support via IOFF, ensuring high-impedance states during power-off conditions.

Buffers, Drivers, Receivers, Transceivers Applications

• Mixed-voltage mode data communication between different logic families
• Asynchronous bidirectional data transfer across two separate buses
• Voltage level translation between low-voltage nodes such as 1.8-V, 2.5-V, 3.3-V, and 5-V

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific suffix 'DGGR' corresponds to the TSSOP-48 package and reel packaging configuration. Confirm RoHS compliance status through official documentation. Ensure the operating temperature range meets system requirements of -40°C to +85°C. Validate that the 500 Mb/s data rate aligns with target application speeds.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when interfacing systems requiring 16-bit wide asynchronous data paths with mixed voltage levels. The LVCH series offers a balance of speed and power consumption suitable for general-purpose translation tasks. Consider the TSSOP-48 footprint constraints and thermal dissipation capabilities relative to the board layout.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the SN74LVCH16T245 family of translating transceivers. It serves as a bridge for connecting digital components operating at different supply voltages. The device simplifies system architecture by removing the need for complex external level-shifting circuits.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

SN74LVCH16T245DLR (SSOP-48 package)

Buffers, Drivers, Receivers, Transceivers FAQ

How does the device handle power-off conditions?

The IOFF support feature places all outputs in a high-impedance state when the device is powered down, preventing back-powering of the system.

What is the purpose of the bus hold feature?

Bus hold latches the last known logic state of an input, allowing unused pins to remain stable without requiring external pull-up or pull-down resistors.