The 74HC74D is a dual D-type flip-flop integrated circuit from Nexperia.
Key Specifications:
1. Type: Dual D-type flip-flop
2. Logic Family: HC (High-Speed CMOS)
3. Supply Voltage (Vdd): 2V to 6V
4. Operating Temperature: -40°C to 125°C
5. Package: SO14 (SOT108), 14-pin
Features:
1. Two D-type flip-flops with asynchronous reset
2. High-speed operation: tpd = 10ns (typ) at 5V
3. Low power consumption: ICC = 1μA (typ) at 5V
4. High noise immunity: VNH = 2.4V (typ) at 5V
5. Compatible with TTL and CMOS logic
6. Symmetrical output impedance
Applications:
1. Digital counters and dividers
2. Frequency dividers
3. Time-base generators
4. Industrial control systems
5. Automotive electronics
6. Medical devices
7. Consumer electronics
Electrical Characteristics:
1. Propagation Delay (tpd): 10ns (typ) at 5V
2. Power Dissipation (Pd): 1μW (typ) at 5V
3. Input Current (Iin): 1μA (typ) at 5V
4. Output Current (Iout): 4mA (min) at 5V
Standards Compliance:
1. IEC 60950-1 (Safety Requirements)
2. UL 94V-0 (Flammability Rating)
3. RoHS compliant
Dimensions:
1. Length: 10.2mm (0.402in)
2. Width: 7.5mm (0.295in)
3. Height: 2.45mm (0.096in)
4. Pitch: 1.27mm (0.05in)
Datasheet:
For detailed specifications, please refer to the Nexperia 74HC74D datasheet.
Ordering Information:
To order or replace this IC, ensure you have the following information:
1. Part number (74HC74D)
2. Quantity required
You can purchase Nexperia ICs from authorized distributors, such as:
- Diode House
Equivalent Parts:
Some equivalent parts from other manufacturers are:
- Texas Instruments SN74HC74D
- ON Semiconductor MC74HC74D
- STMicroelectronics 74HC74D
Pin Configuration:
| Pin | Function |
| --- | --- |
| 1 | 1CLK |
| 2 | 1D |
| 3 | 1Q |
| 4 | 1Q' |
| 5 | 1R |
| 6 | 2R |
| 7 | 2Q' |
| 8 | 2Q |
| 9 | 2D |
| 10 | 2CLK |
| 11 | GND |
| 12 | Vdd |
| 13 | NC |
| 14 | NC |
Would you like more information or have specific questions about this flip-flop?
