74LVCH16T245DGGRE4

Overview

The SN74LVCH16T245DGGRE4 is a 16-bit translating transceiver from Texas Instruments, designed for low-voltage applications. It operates within a supply voltage range of 1.65 V to 5.5 V, enabling flexible interface capabilities between different logic families. The device supports data rates up to 500 Mb/s and features a propagation delay of 6 ns. Packaged in a TSSOP-48 format, it ensures surface-mount compatibility. The component functions as an octal bus transceiver with three-state outputs, suitable for bidirectional data transfer across varying voltage domains.

Feature Summary

• Supports dual-supply operation for translating between 1.65-V and 5.5-V logic systems
• Provides high-speed data transmission with a maximum rate of 500 Mb/s
• Features three-state outputs to facilitate efficient bus-oriented connections

Applications

• Memory mapping in embedded systems
• High-density data buses
• Smart phones and portable equipment

Procurement Notes

Verify the specific suffix 'E4' against the manufacturer's datasheet to confirm lead-free status and RoHS compliance details. Ensure the ordering part number matches the exact package variant required for your PCB footprint. Cross-reference the full part number with official Texas Instruments documentation to validate any recent product changes or environmental certifications before finalizing procurement.

Selection Notes

Select this component when interfacing circuits operating at different voltage levels, specifically between 1.65-V and 5.5-V domains. Consider its 500 Mb/s data rate capability for high-speed applications requiring low power consumption. Evaluate the TSSOP-48 package dimensions against available board space. Compare propagation delay specifications against system timing requirements to ensure signal integrity is maintained during translation tasks.

Part Context

This device belongs to the LVCH (Low-Voltage CMOS High-Speed) family, which offers advanced performance while maintaining low power dissipation. It serves as a translating transceiver, distinct from standard bus transceivers by its ability to handle dual power supplies. This family is widely used in consumer electronics where miniaturization and energy efficiency are critical design constraints.

Replacement Considerations

Check for SN74LVCH16T245DGGR as a potential equivalent from the same series. Verify pinout compatibility and electrical parameters against the original specification sheet before substitution.