74LVCH16646AXPA

Overview

The IDT74LVCH16646AXPA is a 3.3V 16-bit bus transceiver and register manufactured by Integrated Device Technology (IDT). It features true outputs and operates within a voltage range of 3.0V to 3.6V. The device supports LVTTL input levels and provides bidirectional data transfer with independent output enable controls for each direction. It is housed in a TSSOP-56 package, suitable for surface-mount applications requiring high-density integration.

Feature Summary

• Integrates 16-bit bus transceiver functionality with registered storage capabilities
• Supports bidirectional data transfer with independent control per direction
• Operates at 3.3V nominal voltage with LVTTL compatible input levels
• Features true outputs designed for high-speed system interconnects

Applications

• High-performance computing systems requiring 16-bit data buses
• Memory buffer and register applications in server architectures
• Industrial control systems utilizing 3.3V logic interfaces
• Communication equipment needing bidirectional data routing

Procurement Notes

Verify the manufacturer source to ensure authenticity, as IDT assets are managed by Renesas Electronics. Confirm the specific suffix 'AXPA' matches the required TSSOP-56 package and RoHS compliance status. Check for lead-free certification if environmental regulations apply to your assembly process. Ensure the component date code aligns with your production timeline requirements.

Selection Notes

Select this component when a 16-bit width is required alongside registered output buffering. It is appropriate for designs operating strictly at 3.3V with LVTTL inputs. Consider the TSSOP-56 footprint constraints during PCB layout. Compare against standard unregistered transceivers if latching functionality is necessary for your timing scheme.

Part Context

This part belongs to the 74LVCH series, which offers low voltage CMOS performance. IDT was acquired by Renesas Electronics, which now manages the product line. The LVCH series is characterized by its compatibility with 3.3V systems while maintaining fast switching speeds. This specific model combines transceiver and register functions in a single package.

Replacement Considerations

The IDT74LVCH16646APAG is a documented alternative from the same manufacturer family. Verify pinout compatibility and electrical specifications before substitution. Other equivalents may exist from different vendors, but direct cross-referencing requires datasheet comparison.