74LVQ244TTR

Overview

The STMicroelectronics 74LVQ244TTR is a low-voltage CMOS octal bus buffer featuring non-inverted, three-state outputs. It operates within a supply voltage range of 2V to 3.6V and utilizes sub-micron silicon gate technology for high speed and low power dissipation. The device provides symmetrical output impedance with a minimum drive capability of 12mA at 3.0V. It includes protection circuits against static discharge, ensuring 2kV ESD immunity. The component is housed in a TSSOP-20 package.

Feature Summary

• Octal bus buffer architecture with two independent four-bit control groups
• Three-state outputs compatible with standard memory address drivers
• Low noise operation with reduced dynamic low voltage quiet output levels
• Enhanced latch-up immunity and robust static discharge protection

Applications

• Memory address drivers
• Clock drivers
• Bus-oriented transmissions
• High-speed data routing

Procurement Notes

Verify the specific ordering suffix 'TTR' corresponds to the TSSOP-20 tape and reel packaging configuration. Confirm that the required operating temperature range aligns with the specified -55°C to +125°C limits. Ensure input voltage levels remain within the defined absolute maximum ratings to prevent device damage during integration.

Selection Notes

Select this component for applications requiring low power consumption and high-speed signal buffering in 3.3V systems. The balanced propagation delays and symmetrical output impedance make it suitable for transmission line driving. Verify compatibility with existing TTL output levels if interfacing with legacy logic families.

Part Context

This part belongs to the 74LVQ series of low-voltage CMOS logic devices manufactured by STMicroelectronics. It serves as an octal bus buffer variant within the broader 74-series logic family, designed specifically for low-noise and low-power digital applications. The device maintains pin and function compatibility with standard 74-series 244 configurations.

Replacement Considerations

Check for direct pin-compatible alternatives from other manufacturers offering the same octal buffer functionality. Ensure replacement parts support the required 3.3V operating voltage and maintain similar propagation delay specifications.