SN74LVC2952ADBR

Buffers, Drivers, Receivers, Transceivers Overview

The SN74LVC2952ADBR is an octal bus transceiver and register with 3-state outputs manufactured by Texas Instruments. It operates from a supply voltage range of 1.65 V to 3.6 V and features inputs that accept voltages up to 5.5 V. The device consists of two back-to-back 8-bit registers for data storage during bidirectional transfer between buses. It supports mixed-mode signal operation on all ports, allowing 5-V input/output voltage compatibility with a 3.3-V VCC. Key electrical specifications include a maximum propagation delay (tpd) of 8.2 ns at 3.3 V and typical output ground bounce (VOLP) of 2 V at VCC = 3.3 V and TA = 25 °C. The component is housed in a 24-pin SSOP package.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Integrates two 8-bit back-to-back registers to store data flowing bidirectionally between buses on clock transitions.
• Supports mixed-mode signal operation across all ports, enabling 5-V input/output voltage handling with a 3.3-V supply.
• Includes Ioff circuitry to disable outputs during partial-power-down mode, preventing damaging current backflow.
• Features latch-up performance exceeding 250 mA per JESD 17 standards.

Buffers, Drivers, Receivers, Transceivers Applications

• Octal bus transceivers
• Bidirectional data buffering
• Mixed-mode signal translation

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific ordering suffix 'DB' corresponds to the SSOP package type when sourcing. Confirm RoHS compliance status and lead finish details via the manufacturer's latest packaging addendum. Ensure the procurement channel provides valid traceability documentation for production-grade components.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component for applications requiring simultaneous data latching and bus driving capabilities within low-voltage systems. The 5.5-V tolerant inputs facilitate direct interfacing with legacy 5-V logic without external level shifters. Verify that the required clock frequency remains within the specified limits for the target operating voltage.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the SN74LVC2952A family of octal bus transceivers and registers. The 'DB' suffix specifically designates the plastic small-outline package variant. It is categorized under general-purpose logic ICs designed for high-speed data transfer in portable and battery-operated devices.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

Public confirmed substitute part numbers: SN74LVC2952ADW, SN74LVC2952ADWR, SN74LVC2952ANSR, SN74LVC2952APW, SN74LVC2952APWR, SN74LVC2952APWT.