54FCT373ATDB

Overview

The IDT54FCT373ATDB is an octal D-type transparent latch manufactured by Integrated Device Technology. It features eight-bit data storage with true outputs and three-state logic control. The device operates on a single 5V supply within a voltage range of 4.5V to 5.5V. It utilizes Fast CMOS technology for high-speed performance, exhibiting a typical propagation delay of 5.1 nanoseconds at nominal supply voltage. The component is housed in a 20-lead ceramic dual in-line package (CDIP) designed for through-hole mounting. It supports a wide operating temperature range from -55°C to +125°C and includes a load capacitance specification of 50 pF.

Feature Summary

• Provides eight-bit data latching capability with true output polarity
• Integrates three-state output drivers for bus-oriented memory management
• Utilizes Fast CMOS technology to ensure high-speed operation with low power consumption
• Features robust environmental tolerance suitable for extended industrial and military temperature ranges

Applications

• High-speed parallel data buffering in communication systems
• Registering data in microprocessor-based memory architectures
• Interface circuits requiring isolated storage between processing units and peripherals
• Military and aerospace electronic systems demanding wide temperature stability

Procurement Notes

Verify the specific ordering suffix to confirm the package type and material composition, as variations exist within the FCT series. Confirm RoHS compliance status, as this specific part number may not meet current environmental directives depending on the manufacturing date code. Ensure the supplier provides traceability documentation for military-grade screening levels if required for your application. Check for end-of-life notices or obsolescence warnings before finalizing procurement plans.

Selection Notes

Select this component when an octal latch with three-state outputs is required for high-speed digital designs. The CDIP package is appropriate for applications necessitating through-hole mounting and high thermal reliability. Consider the 5.1 ns propagation delay for timing-critical paths. Verify that the 50 pF load capacitance matches the downstream circuit requirements. Compare against similar FCT series devices if pin compatibility or alternative packaging options are needed.

Part Context

This device belongs to the FCT (Fast CMOS) family of logic integrated circuits produced by Integrated Device Technology. The family is characterized by high-speed performance comparable to TTL while offering lower power consumption. The 54FCT373 variant specifically serves as an octal D-type latch. Related parts in the lineup include other buffer and transceiver devices sharing the same FCT architecture and interface standards.

Replacement Considerations

Cross-reference with IDT54FCT373ATE for ceramic DIP alternatives. Renesas 54FCT373TDB offers functional equivalence in CDIP packaging. Verify pinout compatibility and electrical specifications before substitution.