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74HC245N
- Fabricante
- Mfr. Parte #74HC245N
- Paquete
- Hoja de datos
- En stock8160
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Especificaciones
| Brand | Texas Instruments |
Descripción general
Description
Key features include:
- Bidirectional Data Flow: Allows data transmission in both directions between buses A and B.
- Three-State Outputs: When the output enable (OE) pin is high, the outputs are in a high-impedance state, effectively disconnecting the device from the buses.
- Direction Control: The direction (DIR) pin determines the data flow direction: from A to B or B to A.
- High-Speed Performance: It provides fast switching times due to CMOS technology.
- Low Power Consumption: Consumes less power, making it suitable for battery-operated devices.
The 74HC245N is commonly used in applications requiring bus interface and data buffering, such as microcontroller-based systems, digital communications, and memory interfacing.
Features
1. High-Speed CMOS Technology: Offers fast switching speeds and low power consumption.
2. Bidirectional Data Flow: Allows data to be transmitted in both directions, suitable for data bus interfacing.
3. Tri-State Outputs: Provides output control, enabling multiple outputs to be connected to a common bus without interference.
4. 8-Bit Data Bus: Can handle 8-bits of data simultaneously, making it ideal for parallel data transfer.
5. Wide Operating Voltage Range: Typically operates between 2V to 6V, enhancing compatibility with various systems.
6. Low Input Current: Ensures minimal power draw from connected circuits.
7. Output Enable (OE) Control: Facilitates control over the data flow with a simple enable/disable function.
8. Compact DIP Package: Available in a standard Dual In-line Package, easy for PCB mounting and prototyping.
These features make the 74HC245N suitable for applications requiring efficient data transfer, such as microprocessor interfacing, memory addressing, and general digital circuit designs.
Package
Pinout
1. Pins 1 & 19 (DIR & OE): Direction control (DIR) and Output Enable (OE). DIR determines the direction of data flow (A to B or B to A), while OE enables or disables the outputs.
2. Pins 2-9 (A0-A7): A-side data inputs/outputs.
3. Pins 11-18 (B0-B7): B-side data inputs/outputs.
4. Pin 10 (GND): Ground.
5. Pin 20 (VCC): Positive power supply voltage.
The device operates on a supply voltage range of 2V to 6V and is compatible with both TTL and CMOS levels. It is ideal for interfacing between different parts of a digital system and supports bidirectional data buffering. The 3-state operation allows multiple devices to share the same bus line without interference.
Manufacturer
Application
Equivalent
Envío
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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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