SN74ALVCH16863DGGR

Buffers, Drivers, Receivers, Transceivers Overview

The SN74ALVCH16863DGGR is an 18-bit bus transceiver with 3-state outputs manufactured by Texas Instruments. It operates within a supply voltage range of 1.65 V to 3.6 V and supports bidirectional data transmission between A and B buses. The device features active bus-hold circuitry on data inputs, eliminating the need for external pullup or pulldown resistors. It utilizes EPIC submicron CMOS technology and provides ESD protection exceeding 2000 V per MIL-STD-883. Latch-up performance exceeds 250 mA per JESD 17. The component is characterized for operation from -40°C to +85°C and is housed in a 56-pin TSSOP (DGG) package.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Active bus-hold circuitry maintains valid logic levels on unused or floating data inputs without requiring external components.
• Bidirectional noninverting transceiver design enables synchronous communication between data buses via OEAB and OEBA control inputs.
• High electrostatic discharge protection capability exceeding 2000 V according to MIL-STD-883 Method 3015 standards.

Buffers, Drivers, Receivers, Transceivers Applications

• Synchronous communication between data buses
• Bus-oriented memory and signal switching
• High-density data acquisition systems

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific ordering suffix 'DGGR' corresponds to the 56-pin TSSOP package and large tape-and-reel carrier configuration. Confirm RoHS compliance status and lead finish details (NIPDAU) against current manufacturer documentation. Ensure the procurement request specifies the correct moisture sensitivity level rating and operating temperature range requirements for the target application environment.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when an 18-bit wide bidirectional interface is required within low-voltage logic families. The ALVCH series is suitable for applications demanding operation across the 1.65-V to 3.6-V supply range. Consider the integrated bus-hold feature if minimizing external passive components is a priority. Verify that the 56-pin TSSOP footprint aligns with the available PCB layout space and thermal management constraints.

Buffers, Drivers, Receivers, Transceivers Part Context

This device belongs to the Widebus family of Texas Instruments logic products. It is part of the ALVCH series, which represents advanced low-voltage CMOS technology optimized for high-speed digital applications. The SN74ALVCH16863 serves as a specialized variant designed specifically for wide-bus data transfer scenarios requiring robust input holding capabilities.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

Consult official Texas Instruments substitution guides for verified compatible alternatives. Cross-reference pinouts and electrical characteristics carefully before replacing.

Buffers, Drivers, Receivers, Transceivers FAQ

How does the device handle unused data inputs?

The SN74ALVCH16863 incorporates active bus-hold circuitry on all data inputs. This feature automatically holds floating or unused inputs at a valid logic level, removing the necessity for external pullup or pulldown resistors.

What is the maximum ESD protection rating?

The device offers ESD protection that exceeds 2000 V when tested according to MIL-STD-883, Method 3015. It also withstands more than 200 V using the Machine Model test method.