사양
| 속성 | 가치 |
| Package | Tube |
| Series | 74AC |
| ProductStatus | Obsolete |
| LogicType | Buffer, Inverting |
| NumberofElements | 2 |
| NumberofBitsperElement | 4 |
| OutputType | 3-State |
| Current-OutputHighLow | 24mA, 24mA |
| Voltage-Supply | 2V ~ 6V |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 20-SOIC (0.295, 7.50mm Width) |
개요
Description
The 74AC240SC is an octal buffer/line driver integrated circuit with 3-state outputs, designed for high-speed and low-power applications. It features two banks of four buffers each, and is commonly used in digital systems for driving data buses or memory address lines. This IC is part of the 74AC (Advanced CMOS) series, which offers faster performance compared to standard CMOS logic families.
Key features of the 74AC240SC include:
1. 3-State Outputs: Allows for multiple devices to connect to a common bus without interference, by enabling the output to be in a high-impedance state.
2. Inverting Logic: Each output is the inverse of the input signal.
3. High-Speed Operation: Designed for quick switching times suitable for modern digital systems.
4. Low Power Consumption: CMOS technology minimizes power usage while maintaining performance.
5. Package Type: Typically available in surface-mount packages like SOIC (Small Outline Integrated Circuit).
This IC is ideal for applications requiring efficient data transmission and bus interfacing in computing and communication systems.
Key features of the 74AC240SC include:
1. 3-State Outputs: Allows for multiple devices to connect to a common bus without interference, by enabling the output to be in a high-impedance state.
2. Inverting Logic: Each output is the inverse of the input signal.
3. High-Speed Operation: Designed for quick switching times suitable for modern digital systems.
4. Low Power Consumption: CMOS technology minimizes power usage while maintaining performance.
5. Package Type: Typically available in surface-mount packages like SOIC (Small Outline Integrated Circuit).
This IC is ideal for applications requiring efficient data transmission and bus interfacing in computing and communication systems.
Equivalent
The 74AC240SC is an octal buffer/line driver with 3-state outputs. Equivalent products include:
1. SN74AC240N by Texas Instruments
2. MC74AC240 by ON Semiconductor
3. CD74AC240 by Texas Instruments
These alternatives offer similar functionalities, such as high-speed CMOS technology and 3-state outputs, and can often be used interchangeably in compatible circuits. Always check the datasheet for specific parameter equivalence.
1. SN74AC240N by Texas Instruments
2. MC74AC240 by ON Semiconductor
3. CD74AC240 by Texas Instruments
These alternatives offer similar functionalities, such as high-speed CMOS technology and 3-state outputs, and can often be used interchangeably in compatible circuits. Always check the datasheet for specific parameter equivalence.
Features
The 74AC240SC is an octal buffer/line driver with 3-state outputs, designed for asynchronous two-way communication between data buses. Key features include:
1. High-Speed Operation: The device supports high-speed data transfer with a typical propagation delay of around 4 ns.
2. 3-State Outputs: Outputs can be in one of three states: high, low, or high-impedance, allowing for multiple connections on a bus.
3. Low Power Consumption: This device operates with low power dissipation, suitable for energy-efficient designs.
4. Wide Supply Voltage Range: Functions over a VCC range of 2V to 6V, making it versatile for various applications.
5. TTL-Compatible Inputs: Inputs are compatible with TTL logic levels, improving interfacing flexibility.
6. Input and Output Isolation: Features separate input and output control, enhancing data integrity.
7. Balanced Propagation Delays: Ensures synchronized switching across all outputs.
These features make the 74AC240SC suitable for use in memory address drivers, clock drivers, and other bus-oriented applications.
1. High-Speed Operation: The device supports high-speed data transfer with a typical propagation delay of around 4 ns.
2. 3-State Outputs: Outputs can be in one of three states: high, low, or high-impedance, allowing for multiple connections on a bus.
3. Low Power Consumption: This device operates with low power dissipation, suitable for energy-efficient designs.
4. Wide Supply Voltage Range: Functions over a VCC range of 2V to 6V, making it versatile for various applications.
5. TTL-Compatible Inputs: Inputs are compatible with TTL logic levels, improving interfacing flexibility.
6. Input and Output Isolation: Features separate input and output control, enhancing data integrity.
7. Balanced Propagation Delays: Ensures synchronized switching across all outputs.
These features make the 74AC240SC suitable for use in memory address drivers, clock drivers, and other bus-oriented applications.
Pinout
The 74AC240SC is an octal buffer/line driver with inverting three-state outputs. It belongs to the 74AC series, which is an advanced CMOS logic family. The device features:
- Pin Count: It has 20 pins.
- Function: The 74AC240SC is designed to improve both the performance and density of three-state memory address drivers, clock drivers, and bus-oriented receivers and transmitters. The device ensures high-speed performance and low power consumption.
Key features include:
- Inverting Outputs: The outputs are inverted, meaning they provide the opposite logic level of the input.
- Three-State Outputs: This allows the outputs to be in one of three states: high, low, or high-impedance, enabling multiple devices to connect to a common bus without interference.
- Enable Pins: It typically has two active-low enable pins (1OE and 2OE), allowing control over the operation of each 4-bit section independently.
This makes the 74AC240SC suitable for applications requiring high-speed buffering and driving, with efficient control over data flow in digital systems.
- Pin Count: It has 20 pins.
- Function: The 74AC240SC is designed to improve both the performance and density of three-state memory address drivers, clock drivers, and bus-oriented receivers and transmitters. The device ensures high-speed performance and low power consumption.
Key features include:
- Inverting Outputs: The outputs are inverted, meaning they provide the opposite logic level of the input.
- Three-State Outputs: This allows the outputs to be in one of three states: high, low, or high-impedance, enabling multiple devices to connect to a common bus without interference.
- Enable Pins: It typically has two active-low enable pins (1OE and 2OE), allowing control over the operation of each 4-bit section independently.
This makes the 74AC240SC suitable for applications requiring high-speed buffering and driving, with efficient control over data flow in digital systems.
Manufacturer
The 74AC240SC is a device typically manufactured by Texas Instruments. Texas Instruments Incorporated (TI) is an American technology company that designs and manufactures semiconductors and various integrated circuits. It is one of the largest semiconductor companies in the world and a major producer of chips for a wide range of applications, including consumer electronics, automotive, industrial, and communications equipment. TI is known for its innovation in analog and embedded processing products and provides solutions that help customers create applications that make the world smarter, safer, greener, healthier, and more enjoyable.
Application
The 74AC240SC is an octal buffer/line driver with 3-state outputs, commonly used in digital circuits. Its application areas include:
1. Bus Driving: Facilitates data transfer between different components by driving data onto a shared bus.
2. Signal Boosting: Enhances signal strength to overcome signal degradation over long distances.
3. Voltage Level Shifting: Converts signal levels between different logic families.
4. Data Distribution: Distributes a single signal to multiple destinations.
5. Isolation: Provides electrical isolation between different parts of a circuit.
These features make it suitable for computer systems, communication devices, and other digital applications requiring efficient data handling and signal integrity.
1. Bus Driving: Facilitates data transfer between different components by driving data onto a shared bus.
2. Signal Boosting: Enhances signal strength to overcome signal degradation over long distances.
3. Voltage Level Shifting: Converts signal levels between different logic families.
4. Data Distribution: Distributes a single signal to multiple destinations.
5. Isolation: Provides electrical isolation between different parts of a circuit.
These features make it suitable for computer systems, communication devices, and other digital applications requiring efficient data handling and signal integrity.
Package
The 74AC240SC is a logic device with an octal buffer/line driver function featuring inverting outputs. It comes in a small outline integrated circuit (SOIC) package type, typically with 20 pins. This package is suitable for surface-mount technology (SMT) applications.
