74ACT16646MTDX

Buffers, Drivers, Receivers, Transceivers Overview

The onsemi 74ACT16646MTDX is a 16-bit non-inverting bidirectional registered bus transceiver with 3-state outputs. It provides multiplexed transmission of data directly from the input bus or from internal storage registers. The device features independent registers for A and B buses, allowing separate control logic for each byte. It operates within a supply voltage range of 4.5V to 5.5V and supports an operating temperature range of -40°C to +85°C. Outputs can source and sink 24 mA, and inputs are TTL-compatible.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Independent registers for A and B buses allow for flexible data handling.
• Multiplexed real-time and stored data transfers enable versatile communication modes.
• Separate control logic for each byte facilitates granular management of data flow.

Buffers, Drivers, Receivers, Transceivers Applications

• High-speed data acquisition systems
• Industrial control networks
• Automotive electronics

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific ordering code suffix 'X' indicates tape and reel packaging when sourcing this component. Confirm that the manufacturer documentation aligns with the requested package type and quantity requirements. Ensure compliance with RoHS directives if applicable to your project specifications. Cross-reference the datasheet revision date to ensure you have the most current electrical characteristics and mechanical dimensions available for integration.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component for applications requiring 16-bit bidirectional data transfer with integrated storage capabilities. It is suitable for systems needing TTL-compatible inputs and CMOS outputs. Consider the 3-state output feature for bus sharing applications. Evaluate the propagation delay specifications against your system's timing requirements to ensure signal integrity across the data path.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the ACT logic family, known for high-speed performance and compatibility with TTL logic levels. It is a 16-bit version of the 8-bit ACT646, offering expanded data width for more complex bus architectures. The device integrates register functionality to store data independently of the bus state, providing stability in dynamic systems.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

The 74ACT646 serves as an 8-bit counterpart within the same family. Verify pinout compatibility and electrical specifications before substituting. Ensure that the replacement part meets the required voltage and temperature ranges for your specific application environment.

Buffers, Drivers, Receivers, Transceivers FAQ

What is the function of the CPAB and CPBA inputs?

The CPAB and CPBA inputs load data into the respective registers on the LOW-to-HIGH transition, enabling stored mode data transfer.

How does the device handle data direction?

The DIR inputs determine the direction of data flow through the device, allowing for bidirectional communication between the A and B buses.