SN74ABT2245DBRG4

Buffers, Drivers, Receivers, Transceivers Overview

The SN74ABT2245DBRG4 is an octal bus transceiver from the Texas Instruments 74ABT series, designed for bidirectional data communication on multi-drop buses. It features three-state outputs and operates with a supply voltage range of 4.5 V to 5.5 V. The device utilizes ABT technology to achieve high-speed performance with low power consumption. It is housed in a 20-pin SOIC package and supports TTL input levels.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Octal configuration providing eight independent bidirectional data channels
• Three-state outputs to facilitate direct connection to system buses
• ABT technology enabling high-speed operation with reduced power dissipation

Buffers, Drivers, Receivers, Transceivers Applications

• Multi-drop bus transmission lines
• Bidirectional data communication systems
• Memory and memory interface applications

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific suffix 'G4' indicates RoHS compliance and green material status as per Texas Instruments documentation. Confirm the package type matches the required PCB footprint. Ensure the operating temperature range aligns with the target application environment. Cross-reference the manufacturer part number with official TI databases to confirm current production status and availability.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when an octal transceiver is required for 5 V logic systems. The ABT series offers a balance of speed and power efficiency suitable for general-purpose digital interfaces. Consider the 20-pin SOIC package constraints during layout. Verify that the input voltage levels are compatible with the driving source signals within the specified supply voltage range.

Buffers, Drivers, Receivers, Transceivers Part Context

This device belongs to the 74ABT logic family, which combines the speed of advanced bipolar technology with CMOS low power characteristics. The SN74ABT2245 variant specifically includes internal termination resistors to improve signal integrity on longer traces. It serves as a standard interface solution for connecting microprocessors to peripheral devices or memory modules in 5 V environments.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

Publicly confirmed substitutes include the SN74ABT2245DW and SN74ABTR2245NSR. These parts share the same logical function and pinout but may differ in packaging or reel specifications. Verify electrical parameters and package dimensions before substitution.