4027 Datasheet | Next Electromics

4027 - Dual JK Flip-Flop Technical Summary

Overview

The 4027 is a dual JK flip-flop integrated circuit (IC) that provides two independent flip-flops in a single package. It is part of the 4000 series CMOS logic family, known for its low power consumption and wide operating voltage range. The 4027 features SET-RESET capability and static flip-flop operation, allowing it to retain its state indefinitely regardless of the clock level (high or low). This makes it suitable for applications requiring stable state retention and medium-speed operation.

Features

Dual JK Flip-Flops: Contains two independent JK flip-flops in a single IC.
Set-Reset Capability: Each flip-flop includes SET and RESET inputs for direct control over the output state.
Static Operation: Retains state indefinitely with the clock level either high or low.
Medium-Speed Operation: Typical clock frequency of 16MHz.
Wide Operating Voltage Range: Operates from 3V to 15V, making it versatile for various logic level requirements.
Low Power Consumption: CMOS technology ensures minimal power draw, especially in static conditions.
High Noise Immunity: Robust against electrical noise, ensuring reliable operation in noisy environments.

Applications

The 4027 is widely used in digital systems where state retention and sequential logic are required. Common applications include:

Frequency Division: Can be used to divide clock signals by 2 or higher multiples.
Data Storage: Acts as a basic memory element in registers and storage circuits.
Counters: Forms the building block for ripple counters and other counting circuits.
Control Logic: Used in state machines and sequential control systems.
Pulse Synchronization: Helps synchronize asynchronous signals to a clock domain.
Debouncing Circuits: Eliminates switch bounce in mechanical switches.

Electrical Characteristics

The following table summarizes the key electrical characteristics of the 4027 IC under typical operating conditions (V_DD = 5V, T_A = 25°C unless otherwise specified).