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74HC74D
IC FF D-TYPE DUAL 1BIT 14SOIC
- Fabricante
- Mfr. Parte #74HC74D
- Paquete SOIC-14
- Hoja de datos 74HC74D DataSheet
- En stock5700
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Especificaciones
| Package | Tape & Reel (TR),Cut Tape (CT) |
| Series | 74HC |
| ProductStatus | Active |
| Function | Set(Preset) and Reset |
| Type | D-Type |
| OutputType | Complementary |
| NumberofElements | 2 |
| NumberofBitsperElement | 1 |
| ClockFrequency | 67 MHz |
| MaxPropagationDelay@VMaxCL | 26ns @ 6V, 50pF |
| TriggerType | Positive Edge |
| Current-OutputHighLow | 5.2mA, 5.2mA |
| Voltage-Supply | 2V ~ 6V |
| Current-Quiescent(Iq) | 2 µA |
| InputCapacitance | 5 pF |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| SupplierDevicePackage | 14-SOIC |
Descripción general
Description
The 74HC74D is widely used in digital circuits for data storage, state machines, and various sequential logic applications. It benefits from low power consumption, high noise immunity, and compatibility with standard logic levels.
The IC is available in various package types, making it versatile for different circuit designs. Its high-speed operation and reliability make it a popular choice in both hobbyist and professional electronics projects.
Features
1. Dual Flip-Flops: Contains two independent D flip-flops in a single package.
2. Edge Triggered: Operates on the rising edge of the clock signal, allowing for synchronized operation.
3. Asynchronous Inputs: Includes asynchronous active-high preset (PR) and clear (CLR) inputs for immediate state control.
4. High-Speed Operation: Designed for high-speed logic applications with a maximum propagation delay of around 15 ns (at 5V).
5. Wide Supply Voltage Range: Operates within a supply voltage range of 2V to 6V.
6. Low Power Consumption: Characterized by low static and dynamic power consumption, making it suitable for battery-operated devices.
7. Schmitt Trigger Inputs: Provides improved noise immunity, allowing for reliable signal detection.
8. TTL Compatible: Compatible with TTL logic levels, facilitating easy integration with other circuits.
These features make the 74HC74D ideal for applications in digital circuits requiring data storage and synchronization.
Package
Pinout
1. Pin 1 (D1): Data input of the first flip-flop.
2. Pin 2 (C1): Clock input for the first flip-flop.
3. Pin 3 (CLR1): Asynchronous clear for the first flip-flop (active low).
4. Pin 4 (PRE1): Asynchronous preset for the first flip-flop (active low).
5. Pin 5 (Q1): Output of the first flip-flop.
6. Pin 6 (Q1'): Inverted output of the first flip-flop.
7. Pin 7 (GND): Ground.
8. Pin 8 (VCC): Power supply (typically 2V to 6V).
9. Pin 9 (D2): Data input of the second flip-flop.
10. Pin 10 (C2): Clock input for the second flip-flop.
11. Pin 11 (CLR2): Asynchronous clear for the second flip-flop (active low).
12. Pin 12 (PRE2): Asynchronous preset for the second flip-flop (active low).
13. Pin 13 (Q2): Output of the second flip-flop.
14. Pin 14 (Q2'): Inverted output of the second flip-flop.
The device is used in digital circuits for data storage, synchronization, and state management.
Manufacturer
Application
Equivalent
1. 74HCT74
2. 74LS74
3. 74F74
4. MC74HC74
5. CD74HC74
These chips function similarly but may differ in specifications like power supply voltage and output drive capability. Always check the datasheet for compatibility in specific applications.
Envío
Métodos de envíoNosotros
ofrecer servicios de envío globales a través de DHL, FedEx, TNT, UPS, o cualquier otro expediente de su elección.
Referencia de tarifas de envío (DHL/FedEx):
DHL: El costo de envío oscila entre $25-$45 (0.5kg), con un tiempo de entrega estimado de 2-5 días hábiles.
FedEx: El costo de envío oscila entre $25-$40 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.
UPS: El costo de envío oscila entre $25-$45 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.
TNT: El costo de envío oscila entre $25-$65 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.
EMS: El costo de envío oscila entre $30-$50 (0.5kg), con un plazo de entrega estimado de 7-15 días hábiles.
Correo aéreo registrado: El costo de envío es de $2-$4 (0.1kg), con un tiempo de entrega estimado de 5-20 días hábiles.
Pagos
Payment Methods
El plazo de pago es 100% prepagado.
Actualmente, solo aceptamos los siguientes métodos de pago:
1. de PayPal
2. Tarjeta de crédito/débito
3. Transferencia bancaria
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