規格
| 屬性 | 價值 |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Series | 74ABT |
| 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 | 32mA, 64mA |
| Voltage - Supply | 4.5V ~ 5.5V |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
概述
Description
The SN74ABT245BPWR is an octal bus transceiver from Texas Instruments, designed for asynchronous two-way data communication between data buses. It features a 3-state output, allowing it to interface with multiple components without interference. This device is part of the ABT logic family, known for high-speed and low-power operation.
Key characteristics of the SN74ABT245BPWR include:
1. Bidirectional Communication: Facilitates data transfer in both directions, controlled by the direction (DIR) input.
2. Output Enable (OE) Control: When the OE pin is active, the outputs are in a high-impedance state, effectively disconnecting the device from the bus.
3. Voltage Range: Operates with a power supply voltage between 4.5 V and 5.5 V.
4. High-Speed Operation: Designed for fast signal processing, making it suitable for high-performance applications.
5. Packaging: Available in TSSOP (Thin-Shrink Small Outline Package) for compact circuit designs.
This transceiver is ideal for applications requiring efficient data flow control, such as memory interfacing and microprocessor systems.
Key characteristics of the SN74ABT245BPWR include:
1. Bidirectional Communication: Facilitates data transfer in both directions, controlled by the direction (DIR) input.
2. Output Enable (OE) Control: When the OE pin is active, the outputs are in a high-impedance state, effectively disconnecting the device from the bus.
3. Voltage Range: Operates with a power supply voltage between 4.5 V and 5.5 V.
4. High-Speed Operation: Designed for fast signal processing, making it suitable for high-performance applications.
5. Packaging: Available in TSSOP (Thin-Shrink Small Outline Package) for compact circuit designs.
This transceiver is ideal for applications requiring efficient data flow control, such as memory interfacing and microprocessor systems.
Equivalent
The SN74ABT245BPWR is an octal bus transceiver from Texas Instruments. Equivalent products include:
1. 74ACT245 from Fairchild/Nexperia/ON Semiconductor.
2. 74HC245 from Nexperia/ON Semiconductor.
3. 74LVC245 from Nexperia/ON Semiconductor.
4. MC74ACT245 from ON Semiconductor.
These equivalents offer similar functionality, including bi-directional data transfer and output enable control, but ensure to check electrical characteristics and packaging for compatibility.
1. 74ACT245 from Fairchild/Nexperia/ON Semiconductor.
2. 74HC245 from Nexperia/ON Semiconductor.
3. 74LVC245 from Nexperia/ON Semiconductor.
4. MC74ACT245 from ON Semiconductor.
These equivalents offer similar functionality, including bi-directional data transfer and output enable control, but ensure to check electrical characteristics and packaging for compatibility.
Features
The SN74ABT245BPWR is an octal bus transceiver with 3-state outputs, designed for asynchronous two-way communication between data buses. Key features include:
1. High-Speed Operation: Supports operation speeds up to 125 MHz, suitable for high-speed data transfers.
2. Wide Supply Voltage Range: Can operate with a supply voltage range from 4.5 V to 5.5 V.
3. Low Power Consumption: Incorporates advanced low power Schottky technology for reduced power usage.
4. 3-State Outputs: Features 3-state output capability, allowing the outputs to be in a high-impedance state for bus-oriented applications.
5. Bidirectional Data Flow: Supports bidirectional data flow with separate control inputs for direction (DIR) and output enable (OE).
6. High Drive Capability: Provides a high output drive capability, suitable for driving bus lines or buffer memory address registers.
7. Package Options: Available in TSSOP (Thin-Shrink Small Outline Package) for space-saving designs.
These features make the SN74ABT245BPWR suitable for various applications, including memory interfacing, data communication, and bus interface designs.
1. High-Speed Operation: Supports operation speeds up to 125 MHz, suitable for high-speed data transfers.
2. Wide Supply Voltage Range: Can operate with a supply voltage range from 4.5 V to 5.5 V.
3. Low Power Consumption: Incorporates advanced low power Schottky technology for reduced power usage.
4. 3-State Outputs: Features 3-state output capability, allowing the outputs to be in a high-impedance state for bus-oriented applications.
5. Bidirectional Data Flow: Supports bidirectional data flow with separate control inputs for direction (DIR) and output enable (OE).
6. High Drive Capability: Provides a high output drive capability, suitable for driving bus lines or buffer memory address registers.
7. Package Options: Available in TSSOP (Thin-Shrink Small Outline Package) for space-saving designs.
These features make the SN74ABT245BPWR suitable for various applications, including memory interfacing, data communication, and bus interface designs.
Pinout
The SN74ABT245BPWR is a transceiver IC with 20 pins. It is designed for asynchronous two-way communication between data buses. The device features an 8-bit bus transceiver with 3-state outputs and is typically used in systems to allow for bidirectional data flow with control over the direction of data movement.
Key functions and features include:
- Bidirectional Transceiver: Allows data transmission from bus A to bus B or vice versa, controlled by the direction pin (DIR).
- 3-State Outputs: Outputs can be in one of three states—high, low, or high-impedance (disabled), controlled by the Output Enable pin (OE).
- High Drive Capability: It can drive up to 64 mA, making it suitable for driving LED displays or other high-current applications.
- TTL-Compatible Inputs: Ensures compatibility with TTL logic levels.
Pin functions include power and ground pins (Vcc and GND), bus A and bus B data pins, a direction control pin (DIR), and an output enable pin (OE).
Key functions and features include:
- Bidirectional Transceiver: Allows data transmission from bus A to bus B or vice versa, controlled by the direction pin (DIR).
- 3-State Outputs: Outputs can be in one of three states—high, low, or high-impedance (disabled), controlled by the Output Enable pin (OE).
- High Drive Capability: It can drive up to 64 mA, making it suitable for driving LED displays or other high-current applications.
- TTL-Compatible Inputs: Ensures compatibility with TTL logic levels.
Pin functions include power and ground pins (Vcc and GND), bus A and bus B data pins, a direction control pin (DIR), and an output enable pin (OE).
Manufacturer
The SN74ABT245BPWR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and manufactures a wide range of electronic components. The company is renowned for its analog and embedded processing products, which are used in various applications across industries such as automotive, industrial, personal electronics, communications equipment, and enterprise systems. TI is known for its innovation in chip technology and plays a significant role in providing components for the advancement of electronics and technology solutions worldwide.
Application
The SN74ABT245BPWR is an octal bus transceiver designed for asynchronous communication between data buses, primarily used in computing and digital systems. Its application areas include:
1. Data Communication: Facilitating bidirectional data flow between buses in microcontrollers and microprocessors.
2. Memory Modules: Interfacing between memory and system buses for efficient data transfer.
3. Peripheral Interfaces: Connecting peripherals such as printers and displays to the main system bus.
4. Digital Signal Processing (DSP): Enhancing data handling in DSP applications.
5. Embedded Systems: Providing reliable data transfer in embedded applications.
Its high-speed performance and low power consumption make it suitable for various digital and computing environments.
1. Data Communication: Facilitating bidirectional data flow between buses in microcontrollers and microprocessors.
2. Memory Modules: Interfacing between memory and system buses for efficient data transfer.
3. Peripheral Interfaces: Connecting peripherals such as printers and displays to the main system bus.
4. Digital Signal Processing (DSP): Enhancing data handling in DSP applications.
5. Embedded Systems: Providing reliable data transfer in embedded applications.
Its high-speed performance and low power consumption make it suitable for various digital and computing environments.
Package
The SN74ABT245BPWR is a transceiver IC in a TSSOP (Thin Shrink Small Outline Package) with 20 pins. It is designed for bidirectional data communication and features an 8-bit bus transceiver with tri-state outputs, often used for high-speed digital applications.
