74LVC544APW,112

Overview

The NXP USA Inc. 74LVC544APW,112 is an octal registered inverting transceiver featuring two sets of D-type latches for temporary data storage in either direction. It operates within a supply voltage range of 1.2 V to 3.6 V and includes separate latch enable inputs (LEAB, LEBA) and output enable inputs (OEAB, OEBA) for independent control of input and output directions. The device provides 5 V tolerant inputs/outputs for interfacing with 5 V logic and supports partial power-down applications where inputs/outputs become high-impedance when VCC = 0V.

Feature Summary

• Octal registered inverting transceiver with back-to-back D-type latches for bidirectional data flow storage
• Separate latch enable and output enable controls allow independent management of data flow direction
• 5 V tolerant I/Os facilitate direct interface with 5 V logic systems
• Supports partial power-down modes by entering high-impedance state when VCC is zero

Applications

• Bidirectional bus buffering and driving
• Temporary data storage in digital signal processing paths
• Interfacing between different voltage domains in mixed-signal systems

Procurement Notes

Verify the specific ordering suffix matches the required package variant. Confirm that the component meets the necessary environmental specifications for your application. Ensure compatibility with existing design constraints before procurement.

Selection Notes

Select this component for designs requiring bidirectional data transfer with registered outputs. Consider the wide supply voltage range and 5 V tolerance for versatile integration. Evaluate the separate enable controls for precise timing and direction management in complex digital architectures.

Part Context

This part belongs to the LVC/LCX/Z series of logic ICs from NXP Semiconductors. It is designed for low-voltage CMOS applications, offering high-speed performance with low power consumption. The TSSOP24 package provides a compact solution for surface-mount assembly in space-constrained electronic devices.

Replacement Considerations

Check for pin-compatible alternatives within the same logic family if availability is an issue. Verify that any substitute maintains the same voltage tolerance and functional characteristics.