The PC74HCT112P-2 is a dual JK negative-edge-triggered flip-flop integrated circuit belonging to the 74HCT family. This family of logic gates is characterized by its high-speed operation and CMOS-compatible input thresholds, making it suitable for interfacing with both TTL and CMOS logic circuits. The device contains two independent JK flip-flops with individual J, K, clock, and reset inputs. The flip-flops change state on the negative-going transition of the clock pulse.

Applications

• Frequency dividers
• Shift registers
• Control circuits
• Data storage
• Counters

Features

• Dual JK flip-flops with individual inputs
• Negative-edge triggering
• Asynchronous reset input
• High-speed operation
• CMOS compatible input thresholds
• Operating voltage: 4.5V to 5.5V
• Low power consumption

Benefits

• Versatile building block for digital logic circuits
• Easy interfacing with TTL and CMOS logic
• Reduces component count in complex designs
• Provides reliable data storage and manipulation
• Simplifies circuit design with built-in reset functionality

Additional Details

The PC74HCT112P-2 is supplied in a 16-pin DIP (Dual In-line Package). The asynchronous reset (CLR) input, when LOW, sets the Q output LOW, overriding all other inputs. The J and K inputs determine the next state of the flip-flops based on the following truth table:| J | K | Clock Transition | Q(t+1) ||---|---|------------------|--------|| L | L | Negative Edge | Q(t) || L | H | Negative Edge | L || H | L | Negative Edge | H || H | H | Negative Edge | Toggle |Where Q(t) is the current state and Q(t+1) is the next state. This part is commonly used in digital electronics education and prototyping due to its ease of use and fundamental functionality. The HCT family ensures reliable performance within a wide range of operating conditions and offers improved noise immunity compared to older TTL logic families.