74ABT244PW,118

Buffers, Drivers, Receivers, Transceivers Overview

The Nexperia 74ABT244PW,118 is an octal buffer and line driver featuring three-state outputs. It operates within a supply voltage range of 4.5 V to 5.5 V. The device provides high output drive capability of +64 mA for low-level states and -32 mA for high-level states. Propagation delays are specified with maximum values of 4.6 ns for data transitions and up to 6.6 ns for enable-to-output transitions at the upper temperature limit. It utilizes a TSSOP20 package (SOT360-1) and supports operation from -40 °C to +85 °C.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• BiCMOS technology enables high-speed performance combined with robust output drive capabilities suitable for bus interfaces.
• Integrated IOFF circuitry prevents damaging backflow currents during partial power-down scenarios by disabling outputs when unpowered.
• Supports live insertion and extraction operations through controlled power-up three-state behavior.
• Provides direct interface compatibility with TTL logic levels without requiring additional level shifting components.

Buffers, Drivers, Receivers, Transceivers Applications

• Octal bus interface systems
• Partial power-down applications utilizing IOFF functionality
• Live insertion and extraction environments

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify that the specific ordering suffix matches the required package type, as variations exist between SO20 and TSSOP20 configurations. Confirm the temperature grade aligns with system requirements, noting that standard versions operate up to +85 °C. Ensure design compliance with absolute maximum ratings regarding supply voltage and input clamping currents to prevent permanent device damage during operation or transient events.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component for designs requiring wide output drive strength and fast switching speeds within a 5 V logic domain. The inclusion of IOFF makes it suitable for systems managing multiple power rails where backflow protection is critical. Consider the TSSOP20 footprint constraints and verify thermal dissipation needs given the high current capabilities. Evaluate propagation delay specifications against system timing budgets to ensure signal integrity across the octal bus.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the 74ABT series of BiCMOS logic devices manufactured by Nexperia. It functions as an octal buffer/line driver with three-state outputs. The PW suffix indicates the TSSOP20 plastic thin shrink small outline package variant. It is distinct from HC or HCT families due to its higher speed and drive current specifications tailored for 5 V applications.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

• 74ABT244D,652