74HCT4511N,652

Overview

The NXP 74HCT4511N,652 is a high-speed silicon-gate CMOS device functioning as a BCD to seven-segment latch/decoder/driver. It operates within a supply voltage range of 4.5 V to 5.5 V and features latch storage for BCD inputs alongside blanking and lamp test inputs. The component provides guaranteed 10 mA drive capability per output, enabling direct connection to common cathode LED displays. Packaged in a 16-pin DIP format, it ensures compatibility with JEDEC standards.

Feature Summary

• BCD to seven-segment decoding with integrated latch storage
• Direct drive capability for common cathode LED displays
• Integrated blanking and lamp test input functions

Applications

• Driving LED displays
• Driving incandescent displays
• Driving fluorescent displays
• Driving LCD displays
• Driving gas discharge displays

Procurement Notes

Verify the specific ordering code suffix against official NXP documentation to confirm package type and tape/reel specifications. Ensure the procurement channel sources genuine components from authorized distributors to maintain quality assurance. Cross-reference the part number with current datasheet revisions to confirm compliance with updated JEDEC standards and environmental directives prior to finalizing purchase orders.

Selection Notes

Select this component when a dedicated decoder with latch functionality is required for display systems. The HCT logic family ensures TTL-compatible input levels while maintaining CMOS low power consumption. Verify that the load capacitance and drive current requirements of the target display align with the specified 10 mA output capability. Confirm that the operating temperature range meets the application's environmental constraints.

Part Context

This device belongs to the 74HC/HCT series of standard logic ICs manufactured by NXP Semiconductors. These components are widely utilized in digital electronics for signal processing and display interfacing. The 74HCT4511 specifically addresses the need for converting binary coded decimal data into visual outputs, serving as a bridge between microcontroller logic and analog display elements.

Replacement Considerations

Compatible substitutes include the HEF4511B and M54HC4511. When replacing, verify pinout compatibility and ensure the substitute supports common cathode configurations. Check that the replacement part maintains equivalent drive current capabilities and operating voltage ranges to prevent display brightness issues or logic level mismatches.