74ALVC164245DGGTG4

Overview

The SN74ALVC164245DGGTG4 is a 16-bit (dual eight-bit) non-inverting bus transceiver featuring two independent power rails. It facilitates asynchronous communication between buses operating at different voltage levels, specifically converting between 2.5V and 3.3V environments or between 3.3V and 5V environments. The device supports bidirectional data transfer with three-state outputs. Key electrical parameters include a maximum propagation delay of 5.8 ns at 3.3V, an output drive capability of ±24 mA at 3.3V, and a maximum data rate of 300 Mb/s. It operates within a supply voltage range of 2.3 V to 3.6 V for Port A and 3 V to 5.5 V for Port B, with an operating temperature range from -40°C to +85°C.

Feature Summary

• Dual independent power rail architecture enabling seamless translation between 2.5V, 3.3V, and 5V logic domains.
• High-speed bidirectional data transmission with a maximum data rate of 300 Mb/s for efficient system throughput.
• Robust output drive strength of ±24 mA at 3.3V ensures signal integrity across loaded bus lines.
• Compliance with JESD17 standards provides latch-up performance exceeding 250 mA for enhanced reliability.

Applications

• Electronic point-of-sale (EPOS) systems
• Printers and peripheral devices
• Motor drivers
• Wireless and telecommunications infrastructure
• Wearable health and fitness equipment

Procurement Notes

Verify the specific suffix 'G4' confirms RoHS compliance and lead-free status as per Texas Instruments specifications. Confirm the TSSOP-48 package variant matches the design footprint requirements. Ensure the voltage domain configuration aligns with the target application's 2.5V/3.3V or 3.3V/5V interface needs. Cross-reference the datasheet for any recent product change notices affecting pinout or electrical characteristics.

Selection Notes

Select this component when interfacing digital buses requiring conversion between mixed voltage levels such as 2.5V to 3.3V or 3.3V to 5V. The dual-port design allows simultaneous operation on separate voltage domains. Consider the ±24 mA drive capability for driving moderate capacitive loads. The ALVC series offers lower power consumption compared to older logic families while maintaining high-speed performance suitable for modern embedded systems.

Part Context

This part belongs to the SN74ALVC164245 family of widebus level-shifting transceivers manufactured by Texas Instruments. It is designed for high-density applications requiring multiple channels in a single package. The device integrates direction control and output enable functions powered by VCCA, simplifying control logic. It is part of the broader ALVC logic family known for low voltage operation and high speed.

Replacement Considerations

Check for direct pin-to-pin replacements within the same TI family, such as the SN74ALVC164245DGGR. Verify that alternative manufacturers offer equivalent voltage ranges and drive strengths. Ensure any substitute maintains the same TSSOP-48 or compatible SSOP-48 package dimensions for board compatibility.