CD74FCT843AM

Latches Overview

The CD74FCT843AM is an octal transparent latch manufactured by Texas Instruments, operating within the FCT logic series. It features a single circuit with non-inverting outputs and utilizes an SOIC-24 package. The device operates on a supply voltage ranging from 4.75 V to 5.25 V. Key electrical parameters include a propagation delay of 6.8 ns at 5 V, a static current of 8 uA, a low-level output current of 32 mA, and a high-level output current of -15 mA. It supports a functional temperature range from 0 C to +70 C.

Latches Feature Summary

• Provides octal data storage via transparent latch functionality
• Features three-state outputs for bus-driven applications
• Supports standard CMOS logic levels within the FCT series

Latches Applications

• Parallel data buffering in digital systems
• Interface between microprocessors and peripheral devices
• Temporary data storage in memory architectures

Latches Procurement Notes

Verify the manufacturer designation carefully, as this component is often produced under the Texas Instruments brand following industry acquisitions. Confirm the specific suffix 'AM' corresponds to the required SOIC-24 package and commercial temperature grade. Ensure compatibility with existing board layouts regarding pin configuration and thermal requirements before finalizing procurement orders.

Latches Selection Notes

Select this component when an octal latch with three-state capability is required for system integration. The FCT series offers faster switching speeds compared to standard 74LS equivalents. Consider the SOIC-24 package size for surface-mount assembly constraints. Verify that the 5V supply voltage aligns with the target system's power distribution network.

Latches Part Context

This part belongs to the FCT (Fast CMOS) family, designed for high-speed digital applications. It serves as a bridge between older TTL-compatible designs and modern CMOS technologies. The octal configuration allows for efficient handling of wide data buses, reducing component count in complex digital circuits requiring parallel data retention.

Latches Replacement Considerations

Consult official substitution guides for equivalent parts from Texas Instruments or authorized distributors. Verify pinout compatibility and electrical specifications before replacing the original component.