CD74HCT240PWR

Overview

The CD74HCT240PWR is a high-speed CMOS logic device featuring an octal buffer and line driver with inverting functionality. It incorporates three-state outputs controlled by two active-low output enable inputs, allowing for effective bus management. The component operates within a supply voltage range of 4.5V to 5.5V and supports a load capacitance of up to 50pF. It is housed in a 20-pin TSSOP package and is rated for an extended operating temperature range from -55°C to +125°C.

Feature Summary

• High-speed CMOS technology ensures rapid signal propagation for demanding digital applications.
• Octal configuration provides eight independent inverting buffer channels within a single integrated circuit.
• Three-state outputs facilitate direct connection to system buses without additional isolation hardware.
• Dual active-low output enables allow flexible control over data flow direction and bus arbitration.

Applications

• Bus-oriented memory and address drivers
• Clock drivers and buffer circuits
• Multiplexer control logic

Procurement Notes

Verify the specific suffix against the manufacturer's current datasheet to confirm package type and temperature grade. Ensure the ordering part number matches the required RoHS compliance status. Cross-reference the manufacturer's official documentation for any recent product change notices regarding marking or assembly changes before finalizing procurement orders.

Selection Notes

Select this component when designing systems requiring wide temperature stability and high-speed buffering capabilities. The HCT series compatibility allows seamless integration with TTL logic families while maintaining CMOS power efficiency. Consider the 20-TSSOP footprint for space-constrained surface-mount designs requiring robust thermal performance under extreme environmental conditions.

Part Context

This device belongs to Texas Instruments' CD74HCT family of high-speed CMOS logic products. It serves as a specialized solution for managing complex digital signals in industrial and commercial environments. The octal architecture distinguishes it from simpler quad or hex buffers, offering higher channel density for advanced bus architectures.

FAQ

How many output enable controls does the CD74HCT240PWR have?

The device features two active-low output enable inputs that control the state of the eight outputs.

What is the maximum load capacitance supported by this buffer?

The component is designed to drive loads with a capacitance of up to 50pF.