74HC240PW,118

Overview

The Nexperia 74HC240PW,118 is an octal buffer and line driver featuring inverting 3-state outputs. It operates within a supply voltage range of 2.0 V to 6.0 V and utilizes a TSSOP20 package (SOT360-1). The device contains two independent output enable inputs (1OE and 2OE), each controlling four outputs. At 4.5 V, propagation delay ranges from 11 ns to 20 ns. High noise immunity and CMOS low power dissipation are standard characteristics.

Feature Summary

• Features dual output enables for independent control of two groups of four 3-state outputs
• Includes input clamp diodes allowing interface to voltages exceeding VCC with current limiting resistors
• Provides high noise immunity and latch-up performance exceeding 100 mA per JESD 78 Class II Level B

Applications

• Bus-oriented systems requiring bidirectional data transmission
• Clock drivers and buffer circuits
• Memory module address and data bus driving

Procurement Notes

Verify the specific ordering suffix matches the required package type and temperature rating. Confirm RoHS compliance status and REACH registration details against the latest manufacturer documentation. Ensure the component meets the intended operating temperature range specifications before finalizing procurement orders.

Selection Notes

Select this component when an octal inverting buffer with 3-state capability is required. It supports wide supply voltage operation suitable for various logic families. Verify that the TSSOP20 package dimensions fit the PCB layout constraints and thermal requirements of the design application.

Part Context

This part belongs to the 74HC series of high-speed CMOS logic devices manufactured by Nexperia. It serves as a standard solution for buffering and driving digital signals in complex electronic systems. The PW suffix indicates the TSSOP20 plastic thin shrink small outline package variant.

Replacement Considerations

Direct replacements include other manufacturers' 74HC240 variants in TSSOP20 packages. Cross-reference pinouts and electrical characteristics carefully to ensure compatibility with existing circuit designs.