The 74HC173 is a high-speed CMOS 4-bit D-type register featuring 3-state outputs. It incorporates both clock and enable inputs for synchronous data storage and output control. The device includes four D-type flip-flops with a common clock and asynchronous clear function. It also features two output enable inputs that allow the output to be either active or in the high-impedance state, making it suitable for bus-oriented systems.

This IC is widely used in microprocessor and memory interfacing applications where temporary data storage with controlled output is required.

Features of 74HC173 4-Bit Register IC:

1. 4-bit D-type register with 3-state output
2. Synchronous data loading with clock input
3. Asynchronous master reset (clear) function
4. Two active LOW output enable inputs for bus connection
5. Low power consumption and high noise immunity
6. TTL-compatible logic levels
7. Available in DIP-16 through-hole package

Specifications of 74HC173 4-Bit Register IC

• Model: 74HC173
• Function: 4-bit D-type register with 3-state output
• Number of Bits: 4
• Clock Frequency: up to 25 MHz (at 5V)
• Supply Voltage Range: 2V to 6V
• Output Current: ±4mA
• Operating Temperature Range: -40°C to +85°C
• Package Type: DIP-16 – Through-Hole

Package Includes:

1 × 74HC173 – 4-Bit D-Type Register with 3-State Output IC – DIP-16 Package