MC74F574N

Flip Flops Overview

The MC74F574N is an octal D-type flip-flop manufactured by onsemi, belonging to the 74F logic series. It features eight non-inverting D inputs and three-state outputs controlled by a single clock input. The device operates within a supply voltage range of 4.5 V to 5.5 V and utilizes a 20-pin PDIP package for through-hole mounting. It exhibits a maximum propagation delay of 8.5 ns at 5 V with 50 pF load conditions. The component supports standard TTL input levels and provides high-level output current of -3 mA and low-level output current of 24 mA. It functions reliably across an operating temperature range of 0°C to +70°C.

Flip Flops Feature Summary

• Contains eight independent D-type edge-triggered flip-flops with positive-edge triggering
• Provides three-state outputs for bus-oriented memory and communication applications
• Accepts standard TTL-compatible input signals without external level shifting
• Non-inverting data path ensures direct correlation between input states and stored outputs

Flip Flops Applications

• Bus-oriented memory register implementations
• Communication systems requiring tri-state signal isolation
• Parallel-to-serial conversion circuits
• Digital signal processing data latching stages

Flip Flops Procurement Notes

Verify the specific suffix N indicates the PDIP-20 through-hole package configuration. Confirm RoHS compliance status as historical documentation may vary. Check for obsolescence notices or lifecycle changes from onsemi before finalizing procurement plans. Ensure compatibility with existing PCB footprints designed for 20-pin DIP packages.

Flip Flops Selection Notes

Select this component when high-speed switching is required in through-hole designs. The 74F series offers faster performance than standard 74LS counterparts but consumes more power. Verify that the system power budget accommodates the higher quiescent current typical of F-series logic. Ensure the application environment remains within the specified commercial temperature limits.

Flip Flops Part Context

This part belongs to the SN74F574 family of octal D-type flip-flops. It shares functional equivalence with Texas Instruments' SN74F574 variants. The 74F series represents a fast variant of the standard 7400 logic family, optimized for speed over power efficiency. It serves as a foundational building block for complex digital state machines and data storage arrays.

Flip Flops Replacement Considerations

SN74F574NSR (Texas Instruments) is listed as a direct substitute. SN74F574DW (Texas Instruments) is also available as an alternative. Verify pinout compatibility and electrical specifications before substitution.