CD4027BF

Overview

The CD4027BF is a dual J-K master-slave flip-flop manufactured by Texas Instruments, belonging to the CMOS 4000 series. It operates within a supply voltage range of 3V to 15V and supports a maximum clock frequency of 8 MHz. The device functions in an industrial temperature range from -55°C to 125°C. It features synchronous set and reset inputs, asynchronous clear functionality, and a T/R input for toggle or hold modes. The component is housed in a 16-pin SOIC package.

Feature Summary

• Dual independent J-K master-slave flip-flops with complementary outputs
• Synchronous set and reset capabilities controlled by dedicated inputs
• Asynchronous clear function for immediate state initialization
• Toggle/hold mode selection via dedicated control pin

Applications

• Binary counter circuits
• Frequency division stages
• Shift register construction
• Sequential logic control systems

Procurement Notes

Verify the specific suffix 'BF' against official Texas Instruments documentation to confirm package type and temperature grade. Cross-reference with standard CD4027B specifications to ensure functional compatibility. Confirm RoHS compliance status through current manufacturer datasheets before procurement.

Selection Notes

Select this component for applications requiring dual independent bistable elements within a single package. Ensure the design accommodates the 3V to 15V operating range. Consider the 8 MHz maximum clock frequency when designing high-speed sequential logic. Verify that the SOIC-16 package fits the PCB layout constraints.

Part Context

This part belongs to the Texas Instruments 4000 series of CMOS logic devices. It serves as a fundamental building block for digital memory and sequencing applications. The device provides reliable operation across wide voltage and temperature ranges, making it suitable for various industrial and commercial electronic designs.

Replacement Considerations

Equivalent parts include MC14027B and TC4027BP. Verify pinout compatibility and electrical parameters before substitution. Ensure the replacement device meets the required voltage and temperature specifications.