74ABT646CSCX

Buffers, Drivers, Receivers, Transceivers Overview

The Fairchild Semiconductor 74ABT646CSCX is an octal bus transceiver and register IC from the 74ABT logic family. It features non-inverting data paths with 3-state outputs, operating within a supply voltage range of 4.5 V to 5.5 V. The device provides high drive capability with low-level output currents up to 64 mA and high-level output currents of -32 mA. It exhibits a propagation delay of 5.6 ns and supports TTL input and output levels. Packaged in a 24-SOIC (0.295", 7.50mm Width) surface-mount case, it operates reliably across temperatures from -40°C to +85°C.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Integrates octal transceivers and registers with 3-state outputs for efficient data management
• Provides high drive strength suitable for demanding bus applications
• Supports TTL-compatible input and output voltage levels

Buffers, Drivers, Receivers, Transceivers Applications

• High-speed data bus systems requiring registered storage
• Memory buffer interfaces in computing architectures
• Industrial control systems utilizing ABT logic families

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify component authenticity through authorized channels as this part may be obsolete or superseded. Confirm package integrity and pin alignment against the 24-SOIC specification. Check RoHS compliance status via official documentation before integration. Ensure replacement parts match electrical characteristics if sourcing alternatives due to lifecycle status.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component for designs requiring octal bidirectional data transfer with internal latching capabilities. The ABT technology offers speed advantages over standard ALS series while maintaining compatibility. Evaluate thermal performance given the SOIC package constraints. Verify power supply stability within the 4.5V to 5.5V range to ensure optimal switching performance.

Buffers, Drivers, Receivers, Transceivers Part Context

This device belongs to the 74ABT series, known for high-speed BiCMOS technology. It combines the speed of advanced bipolar processes with CMOS low power consumption. The octal configuration allows handling wide data buses efficiently. It serves as a bridge between microprocessors and peripheral devices in complex digital systems.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

Check for direct equivalents like the SN74ABT8646DWR which includes scan test features. Verify pinout compatibility when substituting with other 74ABT646 variants. Consider lead-free versions if environmental regulations require updated materials.