74LV244PW,118

Overview

The Nexperia 74LV244PW,118 is an octal buffer and line driver featuring three-state outputs housed in a TSSOP20 package (SOT360-1). It operates within a supply voltage range of 1.0 V to 5.5 V and supports ambient temperatures from -40 °C to +125 °C. The device provides two independent output enables, each controlling four outputs. Propagation delay ranges from 9 ns at 3.3 V to 50 ns at 1.2 V. Output drive capabilities include ±16 mA, with a typical power dissipation capacitance of 35 pF.

Feature Summary

• Features two independent active-low output enable inputs for precise control over data flow direction and bus isolation.
• Incorporates input clamp diodes to facilitate safe interfacing with voltages exceeding the supply rail when used with current-limiting resistors.
• Complies with multiple JEDEC standards covering low-voltage logic families from 1.65 V up to 5.5 V systems.
• Provides robust electrostatic discharge protection exceeding 2000 V under the Human Body Model standard.

Applications

• Memory module address and data bus buffering
• Clock distribution and signal buffering in high-speed digital circuits
• Bidirectional data translation between different voltage domains

Procurement Notes

Verify the specific ordering suffix matches the required package type, as the base part number covers multiple physical packages. Confirm the temperature grade aligns with operational requirements, noting that industrial grades extend to +125 °C. Cross-reference the manufacturer's latest datasheet revision to ensure compliance with current JEDEC ESD specifications before finalizing procurement.

Selection Notes

Select this component for applications requiring wide voltage compatibility across LV logic families. Ensure the design accounts for the specified propagation delays at the target operating voltage. Verify that the load capacitance remains within limits to maintain signal integrity. Consider the thermal derating characteristics if operating near maximum ambient temperatures or utilizing high output currents.

Part Context

This component belongs to the 74LV series, optimized for low-voltage CMOS applications. It serves as a direct replacement for legacy 74LS buffers in modern low-power designs. The PW suffix specifically denotes the thin shrink small outline plastic package, distinguishing it from standard SOIC or SSOP variants within the same logical family.

Replacement Considerations

The 74LV244D is a functional equivalent utilizing an SO20 package instead of TSSOP20. Designers must verify pin-to-pin compatibility and mechanical footprint differences when substituting package types. Electrical characteristics remain consistent across these package variations.