SN74LVCH16T245KR

Buffers, Drivers, Receivers, Transceivers Overview

The SN74LVCH16T245KR is a 16-bit dual-supply bus transceiver from Texas Instruments' LVCH logic family. It features configurable voltage translation between A and B ports, supporting supply voltages from 1.65 V to 5.5 V. The device provides tri-state outputs with high drive capability of ±32 mA. Key electrical parameters include a maximum propagation delay of 6 ns at 3.3 V and a data rate up to 500 Mb/s. It operates within a temperature range of -40 °C to +85 °C and utilizes a 48-pin TSSOP package.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Configurable voltage translation allows independent power supplies for port A and port B
• High output drive strength supports direct interfacing with system buses
• Tri-state outputs isolate the device when disabled
• Bus hold circuitry prevents floating inputs during power-down

Buffers, Drivers, Receivers, Transceivers Applications

• Memory mapping controllers
• Clock drivers
• Bidirectional bus buffering

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific suffix 'KR' against the official Texas Instruments datasheet to confirm the exact package type and tape-and-reel specifications. Ensure the ordering part number matches the required pin configuration and environmental ratings. Cross-reference with the manufacturer's latest product change notifications to confirm component availability and manufacturing status before finalizing procurement plans.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when designing systems requiring bidirectional data transfer between circuits operating at different voltage levels. The LVCH series offers a balance of speed and low power consumption suitable for general-purpose applications. Consider the ±32 mA drive current for driving capacitive loads or longer traces. Verify that the 1.65 V to 5.5 V supply range aligns with the target system's power architecture.

Buffers, Drivers, Receivers, Transceivers Part Context

This device belongs to the SN74LVCH16T245 family of 16-bit bus transceivers. It is designed for high-speed data transmission in complex digital systems. The LVCH technology combines the performance of LVC with the low power characteristics of LVX. It serves as a critical interface component in modern electronic designs requiring flexible voltage level shifting.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

Compatible alternatives include the SN74LVC16T245 and SN74AVCH16T245. Verify pin compatibility and electrical specifications such as propagation delay and drive current. Ensure the replacement part meets the same voltage and temperature requirements.