74AVC16373DGG,518

Overview

The Nexperia 74AVC16373DGG,518 is a 16-bit D-type transparent latch featuring separate inputs and 3-state outputs for bus-oriented applications. It consists of two independent 8-bit sections, each with dedicated latch enable (LE) and output enable (OE) controls. Designed for low power consumption and extremely fast propagation delay, the device supports live insertion via a dynamic controlled output (DCO) circuit that minimizes noise during transients. It operates within a wide supply voltage range from 1.2 V to 3.6 V, complying with JEDEC standards for various logic families.

Feature Summary

• Features Dynamic Controlled Output (DCO) circuitry to dynamically adjust output impedance, reducing noise without degrading speed.
• Supports live insertion capabilities to ensure high-impedance states during power-up or power-down sequences.
• Utilizes low inductance multiple VCC and GND pins to minimize electrical noise and ground bounce effects.

Applications

• Bus-oriented data storage applications requiring 3-state control
• High-speed parallel data latching in low-voltage systems
• Systems requiring live insertion support for hot-swappable buses

Procurement Notes

Verify the specific ordering suffix matches the required package variant and temperature range. Confirm that the component is not automotive qualified unless explicitly stated in the product documentation. Ensure design compliance with JEDEC standards relevant to the target operating voltage. Check for any recent Product Change Notices regarding marking or assembly site updates before finalizing procurement specifications.

Selection Notes

Select this component for designs requiring 16-bit latching with independent 8-bit section control. The 74AVC16373 is suitable for applications needing fast propagation delays and low power dissipation across a broad voltage spectrum. Consider the TSSOP48 package constraints and verify pin compatibility if replacing older logic families. Ensure the application benefits from the DCO feature for signal integrity on high-speed buses.

Part Context

This part belongs to the Nexperia 74AVC series, which focuses on advanced voltage translation and buffering solutions. The 74AVC16373 specifically addresses the need for high-performance latching in modern low-voltage digital systems. It complements other bus interface components by providing reliable data storage with minimal power impact.

Replacement Considerations

Public confirmed substitute: SN74ALVTH16373DL (Texas Instruments). Verify functional equivalence regarding latch enable polarity and output drive characteristics before substitution.

FAQ

How does the DCO circuit improve performance?

The Dynamic Controlled Output (DCO) circuitry dynamically changes the output impedance during transients. This reduces electromagnetic noise and ringing on the bus lines without compromising the switching speed of the device.

What is the purpose of tying nOE to VCC during power-up?

Tying the nOE input to VCC through a pull-up resistor ensures the outputs remain in a high-impedance state during power-up or power-down. This prevents unintended data driving onto the bus and supports safe live insertion operations.