SN74LVCH16540ADGVR

Buffers, Drivers, Receivers, Transceivers Overview

The SN74LVCH16540ADGVR is a 16-bit buffer and driver with 3-state outputs from the Texas Instruments Widebus family. It operates from a supply voltage of 1.65 V to 3.6 V and features inputs that accept voltages up to 5.5 V, supporting mixed-mode signal operation on all ports. The device provides a high-performance bus interface for wide data paths with a maximum propagation delay of 3.7 ns at 3.3 V. It includes active bus-hold circuitry on data inputs to eliminate external pullup or pulldown resistors. The component supports partial-power-down mode via Ioff circuitry and offers ESD protection exceeding 2000 V per the human-body model.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Supports mixed-mode signal operation allowing 5-V input/output voltage compatibility with 3.3-V VCC
• Active bus-hold circuitry maintains unused or undriven inputs at valid logic states without external components
• Ioff circuitry enables partial-power-down mode by disabling outputs to prevent damaging current backflow
• ESD protection exceeds JESD 22 standards with 2000-V human-body model and 1000-V charged-device model ratings

Buffers, Drivers, Receivers, Transceivers Applications

• High-performance bus interface for wide data paths
• Mixed-mode signal translation in 3.3-V/5-V system environments
• Partial-power-down applications requiring output isolation during power-off states

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific ordering suffix 'DGVR' corresponds to the TVSOP package and tape-and-reel carrier format required for your assembly line. Confirm that the operating temperature range of -40°C to 85°C aligns with your environmental specifications. Ensure your design accounts for the 3-state control gate logic, where either OE1 or OE2 being high places outputs in a high-impedance state. Cross-reference the latest datasheet revision SCAS569H for any updates to electrical characteristics or mechanical dimensions before finalizing procurement.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when designing systems requiring 16-bit parallel data buffering with 3-state control. It is suitable for applications needing voltage translation between 3.3-V and 5-V domains due to its 5.5-V input tolerance. Consider the LVCH series for low voltage swing and reduced power consumption compared to standard CMOS logic. Verify that the TVSOP package fits your PCB footprint constraints and that the 3.7 ns propagation delay meets your timing requirements at the target supply voltage.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the SN74LVCH16540A family, which consists of 16-bit buffers/drivers with 3-state outputs. The 'DGVR' suffix indicates a TVSOP package with tape-and-reel packaging. It is part of Texas Instruments' Widebus family, designed for high-density bus interfaces. The device is manufactured using CMOS technology and is compliant with RoHS standards. It serves as a general-purpose logic IC for digital signal processing and memory interfacing applications.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

Check for direct pin-compatible substitutes within the same LVCH family, such as other 16-bit buffer variants. Verify if alternative packages like DGG (TSSOP) or DL (SSOP) are available if different form factors are needed. Ensure any replacement maintains the 1.65-V to 3.6-V operating voltage range and 5.5-V input tolerance. Confirm that the substitute supports the same 3-state control logic and ESD protection levels.