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74ACT245SCX
+Lista de MateriaisIC TXRX NON-INVERT 5.5V 20-SOIC
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Especificações
| Atributo | Valor |
| Series | 74ACT |
| Part Status | Active |
| Logic Type | Transceiver, Non-Inverting |
| Number of Elements | 1 |
| Number of Bits per Element | 8 |
| Output Type | 3-State |
| Current - Output High, Low | 24mA, 24mA |
| Voltage - Supply | 4.5V ~ 5.5V |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 20-SOIC (0.295", 7.50mm Width) |
| Supplier Device Package | 20-SOIC |
| Base Product Number | 74ACT245 |
Visão Geral
Description
This device features eight inputs and eight outputs, controlled by two enable pins, enabling or disabling the output state. The tri-state capability allows multiple devices to share the same bus, preventing data conflicts. The 74ACT245SCX is commonly used in applications requiring data buffering, signal conditioning, and interfacing between different logic levels.
Operating with a supply voltage range of 4.5V to 5.5V, it is compatible with TTL and other logic families. The SCX suffix indicates a small-outline package, which is suitable for space-constrained designs. Overall, the 74ACT245SCX is ideal for applications in digital circuits, such as computers, communication systems, and embedded systems, where reliable data transfer is crucial.
Equivalent
1. SN74ACT245N
2. 74HC245
3. 74HCT245
4. 74ALS245
5. MC74ACT245
These alternatives may have variations in specifications or features, so check datasheets for compatibility in specific applications.
Features
1. Bus Direction Control: It can transmit data in either direction (A to B or B to A) controlled by the DIR pin.
2. High-Speed Operation: Operates at a maximum data rate of 250 Mbps, suitable for high-performance applications.
3. Low Power Consumption: It has reduced power consumption due to its advanced CMOS technology.
4. Wide Supply Voltage Range: Supports a supply voltage of 4.5V to 5.5V, making it versatile for various applications.
5. 3-State Outputs: Outputs can be set to high, low, or high-impedance state, allowing multiple devices to share the same bus.
6. TTL Compatibility: Compatible with TTL logic levels, ensuring it integrates well with other digital devices.
The 74ACT245SCX is commonly used in data routing, buffering, and interfacing applications in computers and communication systems.
Pinout
Pin Count and Functions:
- Inputs/Outputs: The device has 8 data input/output pins (A1 to A8 for the A bus and B1 to B8 for the B bus).
- Control Pins: It includes control pins:
- DIR (Direction control): Determines the direction of data flow (A to B or B to A).
- OE (Output Enable): Activates the output drivers when low.
- Power Supply: Vcc and GND pins provide power to the device.
This device allows for data communication between two buses while controlling the direction and enabling/disabling the output.
Manufacturer
The 74ACT245SCX is a part of the 74ACT family, which is known for its high-speed CMOS logic devices. This specific device functions as an octal buffer/driver with 3-state outputs, making it suitable for data transmission applications. TI is recognized for its commitment to innovation and quality, providing solutions that enhance performance and efficiency in electronic designs.
Application
1. Data Bus Communication: It facilitates data transfer between different components in microprocessor and microcontroller systems.
2. Memory Interface: Acts as a buffer for data signals between memory and processors, enhancing data integrity.
3. Parallel Data Transmission: Supports bidirectional data flow for applications requiring simultaneous read and write operations.
4. Level Shifting: Converts voltage levels between different logic families in mixed-voltage systems.
5. Peripheral Interfaces: Serves as a bridge in connecting various peripherals, like sensors and displays, to the main processing unit.
Its versatility makes it widely used in consumer electronics, automotive, and industrial applications.