SN74ALVCH16245KR

Buffers, Drivers, Receivers, Transceivers Overview

The SN74ALVCH16245KR is a 16-bit (dual-octal) noninverting bus transceiver designed for asynchronous communication between two data buses. It operates from a supply voltage of 1.65 V to 3.6 V and features 3-state outputs with ±24-mA drive capability at 3.3 V. The device includes active bus-hold circuitry on data inputs, eliminating the need for external pullup or pulldown resistors. It provides ESD protection exceeding 2000-V Human-Body Model and latch-up performance exceeding 250 mA per JESD 17.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Supports asynchronous communication between two data buses with direction control via DIR input.
• Features active bus-hold circuitry on data inputs to maintain valid logic states without external resistors.
• Provides high-drive outputs capable of ±24-mA current at 3.3 V operation.
• Includes robust ESD protection exceeding 2000-V HBM and latch-up resistance exceeding 250 mA.

Buffers, Drivers, Receivers, Transceivers Applications

• Cable Modem Termination Systems
• Servers
• LED Displays
• Network Switches
• Telecom Infrastructure

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific package type associated with the KR suffix against the manufacturer's official orderable addendum, as standard listings often feature DGG, DL, or ZRD packages. Confirm that the component meets the required operating temperature range of -40°C to +85°C. Ensure OE pin biasing follows datasheet recommendations to prevent undefined states during power transitions.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component for applications requiring bidirectional data transfer between buses operating within the 1.65 V to 3.6 V range. The 5.5 V input tolerance makes it suitable for down-voltage translation scenarios, such as interfacing 5 V systems with lower voltage logic. Consider the ±24-mA output drive when driving heavy loads or long PCB traces, while accounting for potential signal ringing due to fast edge rates.

Buffers, Drivers, Receivers, Transceivers Part Context

This device belongs to Texas Instruments' Widebus family of ALVC/VCX/A series logic components. It is engineered for high-density bus interface applications where space and cost efficiency are critical. The dual-octal architecture allows configuration as either one 16-bit transceiver or two independent 8-bit transceivers, providing flexibility in system design.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

Consult the manufacturer's product selection guide for direct replacements. Potential equivalents may include other members of the ALVCH16245 family with different packaging options, such as SN74ALVCH16245DGGR or SN74ALVCH16245DLR, provided they match the required pinout and electrical specifications.