74ACT16646SSCX

Buffers, Drivers, Receivers, Transceivers Overview

The onsemi 74ACT16646SSCX is a 16-bit registered bus transceiver with 3-state outputs, housed in a 56-lead Shrink Small Outline Package (SSOP). It operates within a supply voltage range of 4.5V to 5.5V and supports an operating temperature from -40°C to +85°C. The device features independent registers for A and B buses, allowing multiplexed real-time and stored data transfers. Outputs can source or sink 24 mA, and inputs are TTL-compatible. Propagation delays typically range from 3.3 ns to 9.7 ns depending on the signal path.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Independent registers for A and B buses enable multiplexed real-time and stored data transfers
• Separate control logic allows individual byte management or full 16-bit operation
• Outputs provide high drive capability by sourcing and sinking 24 mA
• Inputs are compatible with TTL logic levels

Buffers, Drivers, Receivers, Transceivers Applications

• Multiplexed transmission of data directly from input buses or internal storage registers
• Bidirectional registered bus transceivers in digital systems
• Data transfer between microprocessors and peripheral devices

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the package type matches the SSOP-56 specification when ordering. Confirm that the suffix 'X' indicates tape and reel packaging if required. Ensure the design accounts for the 4.5V to 5.5V supply voltage range and the -40°C to +85°C operating temperature limits. Check for RoHS compliance documentation as needed for specific project requirements.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component for applications requiring 16-bit bidirectional data transfer with storage capabilities. It serves as a 16-bit version of the ACT646, offering separate control for each byte. Consider the 24 mA output drive strength and TTL-compatible inputs for interface compatibility. The SSOP-56 package is suitable for surface-mount assembly.

Buffers, Drivers, Receivers, Transceivers Part Context

This device belongs to the 74ACT series of logic integrated circuits, specifically designed as a registered bus transceiver. It provides sixteen non-inverting bidirectional channels with 3-state outputs. The part number 74ACT16646SSCX identifies the specific variant in the 56-lead Shrink Small Outline Package (SSOP) format.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

Public confirmed substitute part numbers include CD74ACT646M and CD74ACT646M96 from Texas Instruments.