74ACQ240SCX

Buffers, Drivers, Receivers, Transceivers Overview

The Fairchild Semiconductor 74ACQ240SCX is an octal buffer and line driver belonging to the AC logic series. It features eight inverting outputs with three-state capability, housed in a 20-pin SOIC package. The device operates within a supply voltage range of 2 V to 6 V. Key electrical parameters include a high-level output current of -24 mA and a low-level output current of 24 mA. Propagation delay is specified at 8 ns at 3.3 V and 6.5 ns at 5 V. Static current is 4 uA, with a maximum operating temperature of +85 C.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Octal configuration providing eight independent inverting buffer channels for bus-oriented applications.
• Three-state outputs enable direct connection to data buses without additional interface hardware.
• Quiet Series design incorporates reduced signal overshoot and undershoot to minimize electromagnetic interference.

Buffers, Drivers, Receivers, Transceivers Applications

• Bus-oriented data transmission systems requiring signal buffering.
• Clock distribution networks utilizing buffered positive edge-triggered inputs.
• Memory address drivers for computer and telecommunications equipment.

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify component authenticity through authorized distributors or manufacturer channels. Confirm RoHS compliance status as required by regulatory standards. Check manufacturing date codes against project timelines due to potential obsolescence. Ensure proper ESD handling procedures are followed during storage and installation. Validate package markings match the specific 74ACQ240SCX designation.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component for designs requiring high-speed octal buffering with low power consumption. The AC series offers faster switching speeds compared to standard 74LS equivalents. Consider the three-state output feature for efficient bus sharing in complex digital systems. Evaluate the SOIC-20 package constraints regarding PCB space and thermal management requirements.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the 74AC family of CMOS logic devices, known for high speed and low power dissipation. The 'Q' suffix typically denotes the Quiet Series variant, optimized for reduced noise emissions. It serves as a complementary solution to other octal buffers like the 74AC240, specifically tailored for applications demanding signal integrity improvements.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

Public confirmed substitute part numbers: 74AC240SCX, 74ACQ240SC.