IC 74173 – 4-Bit D-Type Register with 3-State Outputs

The 74173 is a 4-bit D-type register IC with 3-state outputs, commonly used in digital logic systems for data storage and transfer. It features asynchronous clear and clock-enable inputs for controlled operation.

Short Features

• 4-bit D-type register
• 3-state outputs for bus interfacing
• Synchronous data loading via clock signal
• Asynchronous clear input for quick reset
• TTL-compatible logic levels

Specification

• Logic Type: 4-bit D-type register
• Supply Voltage: 4.75V to 5.25V DC (Typical 5V)
• Input Levels: TTL-compatible
• Propagation Delay: ~25 ns (typical)
• Output Current: ±8mA
• Package Type: DIP-16 or SOIC-16
• Operating Temperature: 0°C to 70°C
• Applications: Data storage, shift registers, bus interfacing, and control systems