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The HD74174P is a digital integrated circuit (IC) manufactured by Hitachi (now part of Renesas Electronics). Below are its factual specifications, descriptions, and features:

Manufacturer:

HIT (Hitachi)

Part Number:

HD74174P

Description:

The HD74174P is a hex D-type flip-flop with clear, featuring positive-edge triggering. It is part of the 7400 series of TTL logic ICs.

Key Features:

• Logic Type: Hex D-type flip-flop
• Number of Circuits: 6
• Trigger Type: Positive-edge triggered
• Clear Function: Asynchronous master reset (active LOW)
• Output Type: Standard (TTL)
• Supply Voltage (VCC): 4.75V to 5.25V (nominal 5V)
• Operating Temperature Range: 0°C to +70°C (commercial grade)
• Package Type: 16-pin DIP (Dual In-line Package)

Pin Configuration (16-pin DIP):

1. 1Q – Output of Flip-Flop 1

2. 1D – Data Input of Flip-Flop 1

3. 2Q – Output of Flip-Flop 2

4. 2D – Data Input of Flip-Flop 2

5. 3Q – Output of Flip-Flop 3

6. 3D – Data Input of Flip-Flop 3

7. GND – Ground

8. CLK – Clock Input (common for all flip-flops)

9. CLR – Clear Input (active LOW, resets all flip-flops)

10. 4Q – Output of Flip-Flop 4

11. 4D – Data Input of Flip-Flop 4

12. 5Q – Output of Flip-Flop 5

13. 5D – Data Input of Flip-Flop 5

14. 6Q – Output of Flip-Flop 6

15. 6D – Data Input of Flip-Flop 6

16. VCC – Supply Voltage (+5V)

Applications:

• Data storage and transfer
• Shift registers
• Digital counters
• State machine implementations

This IC is now obsolete but was widely used in older digital systems. For modern replacements, Renesas or other manufacturers may offer equivalent logic ICs.