MC14555BCPG

Overview

The MC14555BCPG is a dual binary to 1-of-4 decoder/demultiplexer constructed with complementary MOS (CMOS) enhancement mode devices. It features two select inputs (A and B), an active low Enable input (E), and four mutually exclusive outputs (Q0, Q1, Q2, Q3). The selected output goes high for the MC14555B. Supply voltage ranges from 3.0 Vdc to 18 Vdc. Propagation delay from A/B to output is typically 70 ns at 15 V. Quiescent current is typically 0.015 mA at 15 V.

Feature Summary

• Diode protection on all inputs
• Active high or active low outputs
• Expandable for larger decoding functions
• All outputs buffered

Applications

• Code conversion
• Address decoding
• Memory selection control
• Demultiplexing in digital data transmission systems

Procurement Notes

Verify the component matches the specific MC14555BCPG designation, ensuring it is the lead-free PDIP-16 variant. Confirm that the datasheet revision aligns with the required specifications. Check for any specific environmental compliance documentation if RoHS status is critical for the assembly process.

Selection Notes

Select this device when a dual decoder/demultiplexer with CMOS compatibility is needed. It supports expansion for binary-to-hexadecimal decoding. Ensure the operating voltage falls within the 3.0 Vdc to 18 Vdc range. Consider the propagation delay characteristics relative to the system clock speed.

Part Context

This component belongs to the MC14555B/MC14556B family of dual binary to 1-of-4 decoders. The MC14555B provides active-high outputs, while the MC14556B provides active-low outputs. Both are built using CMOS technology and share similar pinouts and electrical characteristics, differing primarily in output polarity.

Replacement Considerations

MC14556BCP is an alternative within the same family providing active-low outputs.