74HCT280D,652

Overview

The 74HCT280D,652 is a parity generator and checker integrated circuit manufactured by Nexperia USA Inc. It belongs to the 74HCT logic family and operates within a supply voltage range of 4.5 V to 5.5 V. The device features nine-bit data input capability and provides both even and odd parity outputs. It is housed in a TSSOP-14 surface-mount package with a maximum propagation delay of 200 ns. The component supports an operating temperature range from -40 °C to +125 °C and includes ESD protection compliant with JEDEC standards.

Feature Summary

• Provides simultaneous even and odd parity generation and checking for nine-bit data streams
• Compatible with standard TTL logic levels through HCT technology
• Supports wide industrial operating temperatures up to 125 °C

Applications

• Data integrity verification in digital communication systems
• Memory error detection circuits
• Industrial control system data bus monitoring

Procurement Notes

Verify current production status as availability may be limited. Confirm package variant matches design requirements. Check for RoHS compliance documentation. Validate lead times with authorized distributors. Ensure storage conditions meet moisture sensitivity level specifications.

Selection Notes

Select this component when nine-bit parity checking is required within HCT logic families. Ensure supply voltage remains within 4.5 V to 5.5 V limits. Consider thermal management for high-temperature environments. Verify pin compatibility with existing PCB footprints.

Part Context

This part is part of Nexperia's 74HCT series of logic ICs, designed for high-speed CMOS applications with TTL-compatible inputs. The 74HCT280 specifically addresses parity functions, offering a specialized solution for error detection in digital systems without requiring multiple discrete gates.

Replacement Considerations

Check for direct equivalents such as 74HCT280PWJ or other 74HCT280 variants from Nexperia. Verify functional equivalence before substitution. Ensure package dimensions and pinouts match exactly.