74HCT563N,652

Latches Overview

The NXP USA Inc. 74HCT563N,652 is an octal D-type transparent latch featuring three-state outputs and inverting logic. It belongs to the HCT logic family, designed for high-speed CMOS operation with TTL-compatible inputs. The device operates within a supply voltage range of 4.5 V to 5.5 V and supports a maximum operating temperature of +125 °C. Packaged in a 20-pin PDIP format, it provides eight independent latching channels suitable for parallel data storage applications requiring bus isolation.

Latches Feature Summary

• Octal D-type transparent latch architecture providing eight independent data storage elements
• Three-state output capability enabling direct connection to system buses
• Inverting logic function compatible with standard digital logic interfaces
• TTL-compatible input thresholds ensuring reliable interfacing with legacy systems

Latches Applications

• Parallel data buffering in microprocessor-based systems
• Bus interface circuits requiring tri-state isolation
• Digital signal processing hardware for temporary data retention
• Industrial control systems utilizing high-temperature components

Latches Procurement Notes

Verify the specific ordering code 74HCT563N,652 against official Nexperia or NXP documentation to confirm package type and electrical specifications. Ensure compatibility with existing PCB footprints for 20-pin DIP packages. Cross-reference datasheets for thermal management requirements given the extended temperature range capabilities.

Latches Selection Notes

Select this component when designing systems requiring octal latching with bus isolation and TTL-level input compatibility. The HCT series ensures interoperability with older TTL logic families while offering CMOS power efficiency. Consider the inverting nature of the outputs during schematic design to ensure correct logical polarity in the final circuit implementation.

Latches Part Context

This component is part of the widely adopted 74HCT logic family, originally developed by Philips Semiconductors and now maintained by Nexperia following the separation of the Standard Products business from NXP. The 74HCT designation indicates High-speed CMOS technology with TTL-compatible inputs, bridging the gap between modern low-power designs and traditional transistor-transistor logic systems.

Latches FAQ

Is the 74HCT563N,652 output non-inverting?

No, the 74HCT563N,652 features inverting outputs, meaning the latched data appears at the opposite logic level at the output pins.

What is the maximum operating temperature for this device?

The maximum operating temperature for the 74HCT563N,652 is +125 °C, allowing for use in demanding industrial environments.