The TC74HC163AP is a high-speed CMOS synchronous 4-bit binary counter manufactured by Toshiba Semiconductor and Storage. This device is designed for a wide range of counting applications in digital systems. It features synchronous counting, meaning all flip-flops are clocked simultaneously, providing glitch-free outputs.

Applications

• Frequency dividers in signal processing circuits.
• Event counters in industrial control systems.
• Address counters in memory systems.
• Timers in digital clocks and watches.
• Sequence generators in digital communication systems.

Features

• Counting Mode: Synchronous 4-bit binary counter
• Clock Frequency: High-speed operation
• Clear Input: Synchronous clear input
• Enable Inputs: Count enable inputs (CEP, CET)
• Carry Output: Carry output for cascading counters
• Supply Voltage: 2V to 6V
• Operating Temperature: -40°C to 85°C
• Package Options: 16-Pin DIP

Benefits

• High Speed: Fast operation enables accurate counting at high frequencies.
• Synchronous Operation: Eliminates output glitches for reliable performance.
• Cascading Capability: Carry output allows for easy cascading to create larger counters.
• Wide Operating Voltage Range: Can operate from 2V to 6V, providing flexibility in system design.
• Easy to Use: Standard pinout simplifies integration into existing circuits.

The TC74HC163AP uses a synchronous design, where the clock input simultaneously triggers all four flip-flops, ensuring accurate counting and eliminating the potential for glitches that can occur in asynchronous counters. The device has two count enable inputs (CEP and CET) which must both be high for the counter to increment on the rising edge of the clock. A synchronous clear input allows the counter to be reset to zero on the next clock pulse, regardless of the state of the enable inputs. The carry output goes high when the counter reaches its maximum count (15) and both enable inputs are high, enabling cascading of multiple devices to create larger counters. The device operates over a wide temperature range (-40°C to 85°C), making it suitable for use in a variety of environments. The wide supply voltage range (2V to 6V) provides flexibility in system design. The standard 16-Pin DIP package facilitates easy integration into existing circuits.