SN74ABT833DWR

Buffers, Drivers, Receivers, Transceivers Overview

The SN74ABT833DWR is an 8-bit to 9-bit parity bus transceiver utilizing Texas Instruments' EPIC-IIB BiCMOS technology. It operates within a supply voltage range of 4.5 V to 5.5 V and supports data transfer between A and B buses with integrated parity generation and checking. The device features high-drive outputs capable of -32 mA IOH and 64 mA IOL, ensuring signal integrity across communication lines. Propagation delays are characterized at 1.2 ns typical for data paths and up to 11.3 ns for parity output generation under standard test conditions.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Integrated 9-bit parity generator and checker for error detection during bidirectional data transfers
• Open-collector ERR output flag that indicates parity mismatches on the receiving bus
• Register storage for the parity error flag, clocked on the rising edge of the CLK input
• Independent OEA and OEB controls for isolating buses when both inputs are low

Buffers, Drivers, Receivers, Transceivers Applications

• Communication interfaces requiring parity verification between data buses
• System diagnostic applications utilizing forced inverted parity error conditions
• High-speed digital logic circuits needing low power dissipation and latch-up protection

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific package variant against the datasheet, as the DW suffix denotes a plastic small-outline package. Confirm RoHS compliance status and lead finish details via the manufacturer's packaging addendum. Ensure operating temperature ranges align with system requirements, noting the commercial grade limits. Cross-reference ordering part numbers to distinguish between tube and reel configurations if applicable.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component for designs requiring robust parity checking without external logic. The BiCMOS process offers reduced power dissipation compared to standard CMOS alternatives. Consider the open-collector nature of the ERR output when designing pull-up resistor networks. Evaluate thermal impedance specifications for SOIC packages in high-density layouts to ensure reliable operation within specified junction temperatures.

Buffers, Drivers, Receivers, Transceivers Part Context

This device belongs to the SN74ABT series, which utilizes advanced BiCMOS technology for high performance. The family includes various bus transceivers and latches designed for high-speed digital applications. The SN74ABT833 specifically addresses parity handling needs, distinguishing itself from standard octal transceivers by adding the ninth bit functionality for error monitoring.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

SN74ABT833DW serves as the direct equivalent replacement.