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SN74ABT245BDWR
IC TXRX NON-INVERT 5.5V 20SOIC
- 製造商
- 製造商。 部分 #SN74ABT245BDWR
- 包 20-SOIC (0.295, 7.50mm Width)
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- 有現貨的4430
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規格
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| Series | 74ABT |
| ProductStatus | Active |
| LogicType | Transceiver, Non-Inverting |
| NumberofElements | 1 |
| NumberofBitsperElement | 8 |
| OutputType | 3-State |
| Current-OutputHighLow | 32mA, 64mA |
| Voltage-Supply | 4.5V ~ 5.5V |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 20-SOIC (0.295, 7.50mm Width) |
概述
Description
The SN74ABT245BDWR is an octal bus transceiver designed for high-speed data transmission between buses in digital circuits. It features an 8-bit data path, supporting both send and receive operations, making it suitable for interfacing between different logic families. This device operates on a supply voltage of 4.5V to 5.5V and can handle data rates up to 125 Mbps.
The SN74ABT245BDWR includes direction control, allowing easy switching between transmitting and receiving modes. It is characterized by low power consumption and high noise immunity, which is essential in reducing signal degradation over long distances in complex systems. The transceiver is housed in a TSSOP (Thin Shrink Small Outline Package) for compact design applications.
Applications include data buffering, bus-oriented communication, and interfacing between microcontrollers and peripheral devices. The part number signifies its dual-supply capability (ABT) and the specific packaging (DWR). Overall, the SN74ABT245BDWR is a robust solution for efficient data management in synchronous digital systems.
The SN74ABT245BDWR includes direction control, allowing easy switching between transmitting and receiving modes. It is characterized by low power consumption and high noise immunity, which is essential in reducing signal degradation over long distances in complex systems. The transceiver is housed in a TSSOP (Thin Shrink Small Outline Package) for compact design applications.
Applications include data buffering, bus-oriented communication, and interfacing between microcontrollers and peripheral devices. The part number signifies its dual-supply capability (ABT) and the specific packaging (DWR). Overall, the SN74ABT245BDWR is a robust solution for efficient data management in synchronous digital systems.
Features
The SN74ABT245BDWR is a high-speed, octal bus transceiver designed for data communication between devices in a bus-oriented system. Key features include:
1. Octal Configuration: Supports 8-bit data transfer.
2. Bidirectional Data Flow: Allows data transmission in both directions, enabling flexible communication.
3. TTL Compatibility: Compatible with TTL logic levels, ensuring interoperability with various digital circuits.
4. High-Speed Operation: Fast transition times suitable for high-speed applications, typically up to 125 MHz.
5. 3-State Outputs: Outputs can be placed in a high-impedance state, allowing multiple devices to share the same bus.
6. Active-High Enable Inputs: Control signals allow for selective enabling of data flow.
7. Wide Supply Voltage Range: Operates from 4.5V to 5.5V for versatile application in various systems.
8. Low Power Consumption: Designed to minimize power usage while maintaining performance.
This makes the SN74ABT245BDWR ideal for applications in data multiplexing and interfacing between microcontrollers, memory, and peripheral devices.
1. Octal Configuration: Supports 8-bit data transfer.
2. Bidirectional Data Flow: Allows data transmission in both directions, enabling flexible communication.
3. TTL Compatibility: Compatible with TTL logic levels, ensuring interoperability with various digital circuits.
4. High-Speed Operation: Fast transition times suitable for high-speed applications, typically up to 125 MHz.
5. 3-State Outputs: Outputs can be placed in a high-impedance state, allowing multiple devices to share the same bus.
6. Active-High Enable Inputs: Control signals allow for selective enabling of data flow.
7. Wide Supply Voltage Range: Operates from 4.5V to 5.5V for versatile application in various systems.
8. Low Power Consumption: Designed to minimize power usage while maintaining performance.
This makes the SN74ABT245BDWR ideal for applications in data multiplexing and interfacing between microcontrollers, memory, and peripheral devices.
Package
The SN74ABT245BDWR is packaged in a TSSOP (Thin Shrink Small Outline Package) with 20 pins.
Pinout
The SN74ABT245BDWR is an octal bus transceiver designed for bidirectional data transmission. It features a total of 20 pins.
Pin Functions:
1. Data Inputs/Outputs (A1-A8, B1-B8): Pins A1 to A8 are the data inputs/outputs for one side of the transceiver, while B1 to B8 serve the other side.
2. Direction Control (DIR): This pin determines the direction of data flow. When DIR is high, data flows from A to B; when low, data flows from B to A.
3. Output Enable (OE): This pin controls the activation of the outputs. When LOW, the outputs are enabled; when HIGH, the outputs are in a high-impedance state.
4. GND: Ground connection for power supply.
5. VCC: Power supply pin.
The device operates at a wide voltage range, making it suitable for various applications in digital circuits.
Pin Functions:
1. Data Inputs/Outputs (A1-A8, B1-B8): Pins A1 to A8 are the data inputs/outputs for one side of the transceiver, while B1 to B8 serve the other side.
2. Direction Control (DIR): This pin determines the direction of data flow. When DIR is high, data flows from A to B; when low, data flows from B to A.
3. Output Enable (OE): This pin controls the activation of the outputs. When LOW, the outputs are enabled; when HIGH, the outputs are in a high-impedance state.
4. GND: Ground connection for power supply.
5. VCC: Power supply pin.
The device operates at a wide voltage range, making it suitable for various applications in digital circuits.
Manufacturer
The SN74ABT245BDWR is manufactured by Texas Instruments (TI), a prominent American technology company. Founded in 1930, Texas Instruments is renowned for designing and manufacturing semiconductors and various integrated circuits. The company is a leader in analog, digital signal processing (DSP), and embedded processing technologies. TI serves a wide range of industries, including telecommunications, automotive, industrial, and consumer electronics, providing innovative solutions for both consumer and professional applications. Their extensive product portfolio includes microcontrollers, processors, amplifiers, and voltage regulators, among others. Texas Instruments is recognized for its commitment to research and development, enabling advancements in technology and electronic systems.
Application
The SN74ABT245BDWR is an octal bus transceiver designed for bidirectional data communication between devices. Its application areas include data buffering, interface bridging between different logic levels, and connecting microcontrollers to peripheral devices in systems like automotive electronics, industrial automation, and telecommunication equipment. It's commonly used in memory and I/O expansion, as well as in various digital signal processing applications.
Equivalent
Equivalent products to the SN74ABT245BDWR include the SN74ACT245, SN74LVC245A, and SN74ALS245A. These chips serve similar functions as bidirectional buffers or transceivers, featuring varying electrical characteristics and logic families. Always check datasheets for specific parameters to ensure compatibility with your application.
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