SN74LVCZ240APWRG4

Buffers, Drivers, Receivers, Transceivers Overview

The SN74LVCZ240APWRG4 is an octal buffer with 3-state outputs manufactured by Texas Instruments. It operates from a supply voltage of 2.7V to 3.6V and features inputs that accept voltages up to 5.5V, supporting mixed-mode signal operation. The device provides a maximum propagation delay of 6.5ns at 3.3V and includes Ioff and power-up 3-state support for hot insertion. It is housed in a TSSOP-20 package.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Supports mixed-mode signal operation on all ports, allowing 5V input/output voltage compatibility with a 3.3V VCC supply.
• Includes Ioff and Power-Up 3-State functionality to facilitate safe hot insertion into live circuits.
• Features TTL-compatible CMOS inputs designed to interface directly with TTL logic devices.

Buffers, Drivers, Receivers, Transceivers Applications

• Drive indicator LEDs
• Level-shift using open-drain outputs

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific ordering suffix 'PWRG4' against the manufacturer's current documentation to confirm the exact package type (TSSOP) and RoHS compliance status. Ensure the component matches the required operating temperature range and electrical specifications for your design before procurement.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when designing systems requiring octal buffering with 3-state outputs and mixed-voltage compatibility. It is suitable for applications needing fast switching speeds and protection against ground bounce during power transitions. Verify that the load capacitance does not exceed recommended limits to maintain signal integrity.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the SN74LVCZ240A family of octal buffers. It is designed for high-speed digital applications where voltage translation between 3.3V and 5V domains is necessary. The device utilizes CMOS technology to provide balanced drive capabilities while maintaining low power consumption.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

Check for SN74LVCZ240APW or SN74LVCZ240ADW as potential pin-compatible alternatives depending on the required package style. Confirm that any substitute maintains the same 3-state output configuration and voltage tolerance specifications.

Buffers, Drivers, Receivers, Transceivers FAQ

How does the device handle partial power down?

The device includes circuitry to disable all outputs when the supply pin is held at 0V. In this state, outputs neither source nor sink current regardless of input voltages, limiting leakage current as defined by the Ioff specification.

What is the purpose of the Schmitt-trigger inputs?

The Schmitt-trigger inputs provide noise immunity and ensure clean signal transitions. They require input signals to transition quickly between valid logic states to prevent excessive power consumption and oscillations.