SN74LVCH244APW

Buffers, Drivers, Receivers, Transceivers Overview

The SN74LVCH244APW is an octal buffer and line driver manufactured by Texas Instruments, belonging to the LVCH logic series. It features eight non-inverting channels with three-state outputs, designed for operation within a supply voltage range of 1.65 V to 3.6 V. The device utilizes TSSOP-20 surface-mount packaging and supports mixed-mode signal operations across ports. Key electrical characteristics include a maximum propagation delay of 6.7 ns at 2.7 V and output drive capabilities of ±24 mA. It operates reliably within a temperature range of -40°C to +85°C.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Supports mixed-mode signal operations allowing simultaneous use of AC-coupled digital signals and DC signals on all ports.
• Features Ioff support enabling partial power-down mode protection and live insertion capability to prevent excessive current draw.
• Provides high noise immunity and low power consumption typical of CMOS technology.

Buffers, Drivers, Receivers, Transceivers Applications

• Data bus buffering and driving in portable consumer electronics.
• Clock distribution and buffering in industrial control systems.
• Signal translation between different voltage domains in communication interfaces.

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific ordering suffix to confirm package type and tape/reel specifications, as variations exist for tube versus reel packaging. Ensure compatibility with RoHS directives if required for your region. Confirm that the lead-free status aligns with environmental compliance standards. Cross-reference the manufacturer part number with distributor codes to avoid substitution errors during procurement.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when designing circuits requiring octal buffering with three-state outputs in low-voltage environments. It is suitable for applications needing mixed-signal port operation and robust input tolerance. Consider the TSSOP-20 footprint constraints and thermal performance requirements. Evaluate propagation delay specifications against system timing budgets to ensure signal integrity is maintained.

Buffers, Drivers, Receivers, Transceivers Part Context

This component belongs to the Texas Instruments 74LVCH family of low-voltage CMOS logic devices. These parts are engineered for high-speed data transfer and efficient power management in battery-operated systems. The LVCH series offers improved performance over standard LVC devices while maintaining compatibility with broader voltage ranges.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

SN74LVCH244APWRG4

Buffers, Drivers, Receivers, Transceivers FAQ

Does the SN74LVCH244APW support 5V tolerant inputs?

Yes, the inputs are compatible with 5V signals, allowing operation with mixed voltage levels.

What is the function of the Ioff feature?

Ioff allows the outputs to be placed in a high-impedance state when the device is powered down, preventing back-driving currents.