74F675ASC

Overview

The Fairchild Semiconductor 74F675ASC is a 16-bit serial-in/serial-out shift register with a parallel-output storage register. It operates within a supply voltage range of 4.5V to 5.5V and supports clock frequencies up to 85MHz. The component functions in an operating temperature range of 0°C to 70°C. It is housed in a 24-lead Plastic Dual-In-Line Package (PDIP) or a 24-SOIC package, designed for through-hole or surface-mount mounting respectively.

Feature Summary

• Integrates a 16-bit serial-in/serial-out shift register with a separate 16-bit parallel-output storage register.

Applications

• Data storage applications requiring serial-to-parallel conversion.

Procurement Notes

Verify the specific package variant required, as the base part number may correspond to either PDIP or SOIC configurations depending on the suffix. Confirm that the supplier provides documentation from Fairchild Semiconductor or its successor entity, ON Semiconductor, to ensure authenticity. Check for any specific ordering suffixes that denote tape-and-reel packaging versus tube quantities if applicable to your assembly process.

Selection Notes

Select this component when a 16-bit shift register with parallel output capability is needed for digital logic circuits. Ensure the system design accommodates the 4.5V to 5.5V supply voltage requirement. Consider the 85MHz maximum frequency specification against the system clock speed. Verify that the chosen package type aligns with the PCB footprint and mounting method constraints of the final product design.

Part Context

This device belongs to the 74F series of high-speed TTL logic components. The 74F675A variant specifically combines shifting and storage functions in a single integrated circuit. Fairchild Semiconductor was acquired by ON Semiconductor, which now manages the distribution and support for this legacy logic family. The component remains relevant for designs utilizing standard 5V logic levels.

Replacement Considerations

Check for direct equivalents within the 74F675A family. Verify pin compatibility if substituting with other manufacturers' versions of the same logic function. Ensure that any replacement maintains the same voltage and frequency specifications.