74HCT173D,653

Product Overview

• Category: Integrated Circuit
• Use: Data Storage and Control
• Characteristics: High-Speed Operation, Low Power Consumption
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Flip-Flop Register
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Logic Family: HCT
• Number of Bits: 4
• Clock Trigger Type: Positive Edge
• Output Type: Tri-State
• Operating Voltage Range: 2V to 6V
• Operating Temperature Range: -40°C to +125°C
• Input Capacitance: 3.5pF
• Propagation Delay Time: 15ns
• Output Current: ±6mA

Detailed Pin Configuration

1. CP (Clock Pulse) - Positive Edge Trigger Input
2. MR (Master Reset) - Active LOW Input
3. D (Data) - Serial Data Input
4. Q0-Q3 (Outputs) - Flip-Flop Outputs
5. GND (Ground) - Ground Reference
6. Q3' (Complementary Output) - Complementary Output of Q3
7. OE (Output Enable) - Tri-State Output Control
8. VCC (Supply Voltage) - Positive Power Supply

Functional Features

• Positive edge-triggered flip-flop register
• Master reset function for clearing all outputs
• Tri-state output control for high impedance state
• High-speed operation suitable for data storage and control applications
• Low power consumption for energy-efficient designs

Advantages

• Compact SOIC package allows for space-saving integration
• Wide operating voltage range enables compatibility with various systems
• Reliable performance in extreme temperature conditions
• Tri-state output capability provides flexibility in bus-oriented applications

Disadvantages

• Limited number of bits (4) may not be sufficient for certain applications requiring larger data storage
• Propagation delay time (15ns) may limit the maximum clock frequency in high-speed systems

Working Principles

The 74HCT173D,653 is a positive edge-triggered flip-flop register. It stores and controls data using four flip-flops that are triggered by a positive edge clock pulse. The master reset input allows for clearing all outputs to a known state. The tri-state output control enables the outputs to be put in a high impedance state when necessary.

Detailed Application Field Plans

• Data storage and control in microcontrollers and digital signal processors
• Address decoding in memory systems
• State machine implementation in digital circuits
• Serial-to-parallel data conversion in communication interfaces

Detailed and Complete Alternative Models

• 74HC173: Similar functionality but operates at a higher voltage range (2V to 6V)
• 74LS173: Compatible with TTL logic levels but consumes more power
• CD40173: CMOS-based alternative with lower power consumption and wider operating temperature range

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