Onsemi MC14013BCP Dual D-Type Flip-Flop: Datasheet, Pinout, and Application Circuits

The MC14013BCP from Onsemi is a cornerstone integrated circuit in the world of digital logic. As a member of the venerable 4000-series CMOS family, this IC houses two independent, edge-triggered D-type flip-flops in a single 14-pin package. Its robustness, wide operating voltage range, and simplicity make it a versatile component for a vast array of digital applications, from simple data storage to complex sequential systems.

Datasheet Overview and Key Specifications

The datasheet for the MC14013BCP outlines its core electrical and functional characteristics. Key specifications that define its operation include:

Supply Voltage Range (VDD): 3V to 18V. This wide range allows for operation in both low-voltage modern systems and higher-voltage industrial environments, providing excellent compatibility.

Logic Family: CMOS. This ensures very low static power consumption and high noise immunity, which is crucial for stable operation in electrically noisy environments.

Trigger Type: Positive-edge triggered. The flip-flop captures the value at its D input at the moment the clock signal transitions from a LOW logic level to a HIGH logic level.

Set and Reset: Each flip-flop features asynchronous, active-HIGH Set and Reset inputs (`S` and `R`). These override the clock and data inputs, allowing immediate control of the output state (`Q` HIGH on Set, LOW on Reset).

Outputs: Complementary outputs (`Q` and `\Q`) are provided for each flip-flop.

Operating Temperature Range: -55°C to +125°C, making it suitable for automotive, industrial, and military applications.

Pinout Configuration

Understanding the pinout is essential for circuit design. The MC14013BCP in a DIP-14 package has the following pin configuration:

Pin 1: Output Q of Flip-Flop 1

Pin 2: Output \Q of Flip-Flop 1

Pin 3: Clock Input (CLK) of Flip-Flop 1

Pin 4: Reset Input (R) of Flip-Flop 1

Pin 5: Data Input (D) of Flip-Flop 1

Pin 6: Set Input (S) of Flip-Flop 1

Pin 7: Ground (VSS)

Pin 8: Set Input (S) of Flip-Flop 2

Pin 9: Data Input (D) of Flip-Flop 2

Pin 10: Reset Input (R) of Flip-Flop 2

Pin 11: Clock Input (CLK) of Flip-Flop 2

Pin 12: Output \Q of Flip-Flop 2

Pin 13: Output Q of Flip-Flop 2

Pin 14: Supply Voltage (VDD)

Application Circuits

The MC14013BCP's simplicity belies its utility. Here are two fundamental application circuits:

1. Data Latch (Register):

The most straightforward use is for data storage. The D input is connected to a data signal, and the clock input is connected to a control signal. On each rising edge of the clock pulse, the value present at the D input is latched and appears at the Q output. This forms the basic building block for registers and memory cells.

2. Frequency Divider:

By connecting the \Q output back to the D input, the flip-flop is configured as a toggle flip-flop. In this setup, the output (Q) changes state (toggles) on every rising edge of the clock input. This results in an output waveform with exactly half the frequency of the input clock signal, creating a divide-by-2 circuit. Cascading multiple flip-flops allows for division by 4, 8, 16, and so on, which is the principle behind binary counters.

Other common applications include shift registers, pulse synchronizers, and debounce circuits for mechanical switches.

ICGOODFIND Summary

The Onsemi MC14013BCP is a fundamental and highly reliable CMOS dual D-type flip-flop IC. Its strengths lie in its wide operating voltage range, low power consumption, and the inclusion of asynchronous set/reset controls. This combination makes it an ideal choice for a wide spectrum of digital design projects, from basic educational experiments to sophisticated industrial control systems requiring robust data storage and clock management.

Keywords:

1. D-Type Flip-Flop

2. CMOS Logic

3. Data Storage

4. Frequency Divider

5. Wide Voltage Range