MC74F543N

Overview

The MC74F543N is an octal bus transceiver manufactured by onsemi, belonging to the 74F logic series. It features a non-inverting configuration with three-state outputs and operates within a supply voltage range of 4.5 V to 5.5 V. The device provides a propagation delay of 16 ns and supports input levels compatible with LSTTL and TTL standards. Packaged in a 16-pin DIP format, it is designed for high-speed data transfer applications requiring robust signal integrity.

Feature Summary

• Octal bus transceiver architecture providing eight bidirectional channels
• Three-state output capability for effective bus line isolation
• Non-inverting signal polarity maintaining logical consistency
• LVTTL and TTL input level compatibility for broad interface support

Applications

• High-speed data acquisition systems
• Memory buffer implementations
• Clock distribution networks
• Control signal routing in industrial equipment

Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status and material composition declarations prior to integration. Ensure storage conditions adhere to moisture sensitivity level requirements to prevent package damage during soldering processes.

Selection Notes

Select this component when designing systems requiring fast switching speeds with standard TTL-compatible inputs. Consider the DIP-16 package constraints for prototyping versus surface-mount alternatives for mass production. Evaluate power consumption and thermal dissipation capabilities relative to the specific application environment.

Part Context

This part belongs to the 74F family of high-speed CMOS logic devices. It serves as a critical interface element between microprocessors and peripheral memory or I/O devices. The design emphasizes speed performance while maintaining compatibility with existing digital logic ecosystems.

Replacement Considerations

MC74F543DR2G