Product Overview: NXP PC74HCT161P

The NXP PC74HCT161P is a high-speed Si-gate CMOS device that is pin compatible with low power Schottky TTL (LSTTL). It is specifically designed to offer a robust and reliable solution for digital counting applications. The PC74HCT161P is a synchronous presettable binary counter that features an internal look-ahead carry for fast counting, making it ideal for high-speed operations.

Key Features

• Logic Family: HCT
• Logic Type: 4-bit binary counter
• Operation Mode: Synchronous
• Output Type: Standard
• Voltage - Supply: 4.5V to 5.5V
• Count Rate: 30 MHz
• Propagation Delay Time: 18ns
• Operating Temperature: -40°C to +125°C
• Mounting Type: Through Hole
• Package / Case: 16-DIP (0.300", 7.62mm)

Functionality

The PC74HCT161P counter can be programmed to operate in several modes. It can count up from zero (0000) to fifteen (1111) in binary, and it includes features such as a synchronous reset, a parallel load capability, and output enable control. The synchronous reset feature allows the counter to be quickly reset to zero when required. The parallel load capability enables the counter to be initialized with a starting value for counting, rather than starting from zero. This feature is particularly useful in applications where a specific count sequence is necessary.

Applications

With its versatility and high-speed operation, the NXP PC74HCT161P is suitable for a wide range of applications including:

• Frequency counters
• Time division multiplexing
• Timers
• Real-time clocks
• Event counters
• Programmable dividers

Quality and Reliability

NXP Semiconductors is known for its commitment to quality and reliability. The PC74HCT161P is manufactured to the highest standards, ensuring stable performance in various environmental conditions. Its robustness makes it suitable for industrial-grade applications that require a dependable counting solution.