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The 74F74D is a dual D-type flip-flop integrated circuit (IC) manufactured by various semiconductor companies, including Texas Instruments (TI), Fairchild Semiconductor (now ON Semiconductor), and NXP Semiconductors.

Key Specifications:

• Logic Family: 74F (Fast TTL)
• Function: Dual D-Type Positive-Edge-Triggered Flip-Flop
• Number of Flip-Flops: 2
• Trigger Type: Positive Edge
• Supply Voltage (VCC): 4.5V to 5.5V (Standard 5V operation)
• High-Level Input Voltage (VIH): 2.0V (min)
• Low-Level Input Voltage (VIL): 0.8V (max)
• High-Level Output Current (IOH): -1 mA
• Low-Level Output Current (IOL): 20 mA
• Propagation Delay: ~5 ns (typical)
• Operating Temperature Range: 0°C to +70°C (Commercial)
• Package Type: SOIC-14 (74F74D), DIP-14 (74F74N)

Features:

• Independent Data (D), Clock (CLK), Set (PRE), and Clear (CLR) inputs for each flip-flop
• Asynchronous Set (PRE) and Clear (CLR) for direct control
• High-speed operation due to 74F technology
• TTL-compatible inputs and outputs
• Wide operating voltage range (4.5V–5.5V)

Applications:

• Data storage and transfer
• Synchronous counters
• Shift registers
• Frequency division
• Digital signal processing

The 74F74D is commonly used in digital logic circuits where fast switching and reliable edge-triggered operation are required. The "D" suffix typically indicates an SOIC (Small Outline IC) package. For a DIP (Dual Inline Package) variant, the part number may be 74F74N.

For exact datasheet details, refer to the manufacturer's documentation (e.g., Texas Instruments, ON Semiconductor, or NXP).