CD74HCT259E

Latches Overview

The CD74HCT259E is an addressable latch from the Texas Instruments HC logic family, housed in a 16-pin PDIP package. It operates within a supply voltage range of 4.5 V to 5.5 V and supports temperatures from -55°C to +125°C. Propagation delay is specified at 45 ns. The device features non-inverting outputs with a low-level output current of 32 mA and a high-level output current of -5.2 mA.

Latches Feature Summary

• Provides eight individually addressable latches for serial-to-parallel data conversion
• Features non-inverting outputs suitable for direct interfacing with digital loads
• Designed for through-hole mounting in industrial-grade temperature environments

Latches Applications

• Industrial control systems requiring parallel data storage
• High-speed CMOS logic circuits needing addressable memory elements
• Digital signal processing interfaces utilizing serial input protocols

Latches Procurement Notes

Verify the specific suffix 'E' corresponds to the PDIP-16 package and industrial temperature rating (-55°C to +125°C). Confirm that the HCT series designation ensures compatibility with standard TTL logic levels rather than generic HC inputs. Cross-reference the manufacturer part number against official datasheets to ensure correct pinout and electrical characteristics are met for the target application.

Latches Selection Notes

Select this component when addressing multiple data lines via a single serial input path is required. The HCT series is appropriate for systems operating strictly at 5 V logic levels. Ensure the design accommodates the specified propagation delay and output drive capabilities. Verify that the through-hole packaging aligns with the PCB layout constraints and assembly methods available.

Latches Part Context

This component belongs to the Texas Instruments CD74HCT259 series of addressable latches. It functions as an 8-bit serial-in/parallel-out device where each bit can be independently selected and latched. The HCT variant ensures compatibility with standard 5 V TTL logic families, making it suitable for mixed-logic system designs requiring robust data retention and addressing capabilities.

Latches Replacement Considerations

SN74HC259N: Similar function but may differ in temperature range or speed specifications. SN74HCT259NE4: Direct equivalent with RoHS compliance; verify package and electrical parameters match requirements.