74F843SPC

Latches Overview

The Fairchild Semiconductor 74F843SPC is a 9-bit bus driver belonging to the F/FAST logic series. It features true output polarity and three-state outputs, designed for TTL applications. The device is housed in a 24-pin plastic dual in-line package (PDIP). Key functional attributes include integrated clear and preset capabilities. The component operates within a standard temperature range, with specific electrical parameters defined by the F/FAST series specifications.

Latches Feature Summary

• Provides nine-bit data buffering with true output polarity
• Incorporates three-state output capability for bus line management
• Includes dedicated clear and preset control functions

Latches Applications

• High-speed data bus interfacing in digital systems
• Buffering between microprocessor buses and peripheral devices
• Register input/output stages requiring controlled drive strength

Latches Procurement Notes

Verify the exact suffix 'SPC' against official Fairchild or onsemi documentation to confirm package type and material composition. Ensure the component meets required environmental standards, as older F/FAST parts may not be RoHS compliant. Confirm availability status, as this part number may be obsolete or superseded by newer equivalents from current manufacturers.

Latches Selection Notes

Select this component when a nine-bit buffer with three-state outputs and explicit clear/preset controls is required. The F/FAST series offers faster switching speeds compared to standard LS logic. Ensure the system voltage aligns with TTL requirements and that the DIP-24 package fits the PCB layout constraints.

Latches Part Context

The 74F843 is part of the broader 74F family, known for high-speed performance using Schottky-clamped transistors. This specific variant provides nine bits of buffering, distinguishing it from eight-bit counterparts like the 74F245. The SPC suffix typically denotes a specific plastic DIP package variation offered by Fairchild Semiconductor.