74AC244PC

Buffers, Drivers, Receivers, Transceivers Overview

The Fairchild Semiconductor 74AC244PC is an octal bus driver belonging to the AC logic series. It features two independent four-bit drivers with true outputs, providing unidirectional data flow control. The device utilizes a 20-pin PDIP package with a standard 0.300-inch lead spacing. It operates within a temperature range of -40 °C to 85 °C and supports lead-free construction compliant with RoHS standards.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Octal configuration organized as two independent four-bit drivers
• True output polarity for non-inverting signal transmission
• Compatible with standard DIP-20 packaging for through-hole mounting

Buffers, Drivers, Receivers, Transceivers Applications

• Memory address buffering in computer systems
• Clock driver circuits for synchronous logic
• Bus-oriented transmissions in communication equipment

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the manufacturer designation on the component marking, as Rochester Electronics may supply this part number. Confirm the specific package variant matches the required PCB footprint. Ensure the lead-free status aligns with current environmental compliance requirements for the intended assembly process.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when a high-speed CMOS octal buffer with true outputs is required. The AC series offers superior speed compared to legacy LS families while maintaining low power consumption. Verify that the 20-pin DIP form factor fits the mechanical constraints of the design.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the 74AC family of advanced CMOS logic devices. Similar variants include the 74AC244LCX in ceramic LCC packaging and the 74VHCT244AN in plastic DIP. These alternatives share functional similarities but differ in package type and voltage compatibility characteristics.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

The 74AC244N is a direct pin-compatible alternative from National Semiconductor. Other equivalents include the MM74HC244N, though HC series parameters differ from AC specifications.