CD4043BD

Latches Overview

The CD4043BD is a CMOS Quad NOR R/S Latch featuring three-state outputs, manufactured by Texas Instruments. It operates within a supply voltage range of 3 V to 18 V and supports an operating temperature range from -55 °C to +125 °C. The device is housed in a 16-pin Small Outline Integrated Circuit (SOIC) package with a width of approximately 7.6 mm and a length of 10.5 mm. It belongs to the 4000 series logic family and contains four independent latch circuits.

Latches Feature Summary

• Integrates four independent NOR-type R/S latches within a single integrated circuit
• Provides three-state output capability for bus-oriented applications
• Supports wide power supply voltage operation ranging from 3 V to 18 V
• Designed for extended industrial temperature environments

Latches Applications

• Data storage and buffering in digital systems
• Bus interface control and isolation
• State holding in sequential logic circuits
• Memory address latching

Latches Procurement Notes

Verify the specific suffix against the manufacturer's official documentation to confirm pinout compatibility and electrical characteristics. Ensure the component meets required environmental standards for the intended application. Cross-reference the ordering information with the latest datasheet to avoid discrepancies between different manufacturing revisions or package variants.

Latches Selection Notes

Select this component when multiple independent latches with tri-state outputs are required in a compact surface-mount package. Consider the 4000 series CMOS technology for low static power consumption and wide voltage tolerance. Evaluate the SOIC-16 footprint constraints against available board space and thermal requirements for high-temperature operation.

Latches Part Context

This part belongs to the CD4000B series of complex digital integrated circuits produced by Texas Instruments. The series utilizes CMOS technology to provide high noise immunity and low power dissipation. The CD4043 variant specifically addresses the need for quad latch functionality with controlled output states in standard logic applications.

Latches FAQ

What type of logic gates form the internal structure of the CD4043BD?

The CD4043BD utilizes NOR gates to implement its R/S latch functionality.

Does the CD4043BD support active-high or active-low inputs?

The device features active-high Set and Reset inputs as defined by its NOR-based latch architecture.