SN74ALVCH162830GR

Buffers, Drivers, Receivers, Transceivers Overview

The SN74ALVCH162830GR is an 18-channel universal bus function device from the Texas Instruments ALVCH family. It operates with a supply voltage range of 1.65 V to 3.6 V and features 3-state outputs. The component utilizes CMOS logic technology and includes active bus-hold circuitry to maintain stable states for unused inputs. It is housed in an 80-pin TSSOP package, designed for surface mount installation. The device supports a maximum propagation delay of 5.6 ns and functions within a temperature range of -40°C to +85°C.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Integrates active bus-hold circuitry to secure input states without external pull-up or pull-down components.
• Features output ports with equivalent internal series resistors, eliminating the need for external current-limiting resistors.
• Provides 3-state outputs compatible with low-voltage digital systems operating between 1.65 V and 3.6 V.

Buffers, Drivers, Receivers, Transceivers Applications

• High-density memory buffer applications
• Clock buffering and distribution circuits
• Data bus transceiver interfaces

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific suffix 'GR' corresponds to the 80-TSSOP package and reel packaging configuration as listed in official Texas Instruments documentation. Confirm that the ALVCH logic family specifications match the target system voltage requirements. Ensure compatibility with the intended operating temperature range of -40°C to +85°C before finalizing procurement decisions.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when designing systems requiring 18-channel bidirectional data transfer at low voltages. The integrated bus-hold feature simplifies board layout by removing external termination components. The 80-TSSOP package offers a compact footprint suitable for high-density PCB designs. Verify that the 3-state output capability aligns with the bus arbitration requirements of the target application architecture.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the Texas Instruments Widebus™ family, which focuses on high-performance bus drivers and transceivers. The ALVCH series specifically targets applications requiring operation down to 1.65 V while maintaining robust signal integrity. It serves as a bridge between different voltage domains in complex digital systems, ensuring reliable data transmission across multiple channels.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

Check for direct pin-compatible alternatives within the same ALVCH family, such as the SN74ALVCF162835, noting differences in specific electrical characteristics. Verify that any substitute maintains the 80-TSSOP package outline and the required 1.65 V to 3.6 V operating range.

Buffers, Drivers, Receivers, Transceivers FAQ

Does the SN74ALVCH162830GR require external resistors for its outputs?

No, the output ports have equivalent internal series resistors, so no external resistors are required for standard operation.

What is the purpose of the bus-hold circuitry in this device?

The active bus-hold circuitry holds unused or floating inputs at a defined logic level, preventing undefined states and reducing power consumption.