The HD74107P is a dual J-K flip-flop with separate clock, direct clear and preset inputs. It is a member of the 7400 series of TTL (Transistor-Transistor Logic) integrated circuits, manufactured by Hitachi. This device is commonly used in digital logic circuits for storage, counting, and control applications.

Applications

• Frequency Dividers: Used to divide the frequency of a clock signal.
• Counters: Employed in binary and decade counters.
• Shift Registers: Implemented in shift registers for serial data transfer.
• Control Circuits: Utilized in control logic for sequencing and timing.
• Memory Elements: Used as basic storage elements in small memory systems.

Features

• Dual J-K Flip-Flops: Contains two independent J-K flip-flops in a single package.
• Separate Clock Inputs: Each flip-flop has its own clock input for independent operation.
• Direct Clear Input: Asynchronous clear input that resets the flip-flop regardless of the clock.
• Direct Preset Input: Asynchronous preset input that sets the flip-flop regardless of the clock.
• TTL Logic: Operates using TTL logic levels.
• Positive Edge Triggered: The flip-flop changes state on the positive-going edge of the clock signal.

Benefits

• Versatile Logic Element: Suitable for a wide range of digital logic applications.
• Simplified Circuit Design: Reduces component count and board space due to the dual flip-flop configuration.
• Asynchronous Control: Direct clear and preset inputs allow for immediate state changes.
• Easy to Interface: TTL logic levels make it compatible with other 7400 series devices.
• Reliable Performance: Offers stable and predictable operation.

Technical Specifications

• Logic Family: TTL
• Number of Flip-Flops: 2
• Trigger Type: Positive Edge
• Operating Voltage: 4.75V to 5.25V
• Input High Voltage: 2.0V (minimum)
• Input Low Voltage: 0.8V (maximum)
• Output High Voltage: 2.4V (minimum)
• Output Low Voltage: 0.4V (maximum)
• Operating Temperature: 0°C to +70°C
• Package Type: DIP (Dual In-line Package)