Спецификации
| Атрибут | Ценность |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| Series | 74LVC |
| ProductStatus | Active |
| LogicType | Buffer, Non-Inverting |
| NumberofElements | 2 |
| NumberofBitsperElement | 4 |
| OutputType | 3-State |
| Current-OutputHighLow | 24mA, 24mA |
| Voltage-Supply | 1.65V ~ 3.6V |
| OperatingTemperature | -40°C ~ 125°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 20-SSOP (0.209, 5.30mm Width) |
Обзор
Description
The SN74LVC244ADBR is a non-inverting buffer/driver from Texas Instruments designed with low-voltage CMOS technology. It features eight independent buffer/line drivers with 3-state outputs, optimizing it for use in applications that require high-drive capability and reduced power consumption. Operating within a voltage range of 1.65 V to 3.6 V, this device is suitable for both TTL and CMOS logic levels. Its high-speed performance allows it to support data transfer rates up to 100 MHz, making it ideal for high-frequency data communication systems.
The SN74LVC244ADBR comes in a small-outline (SOIC) package, which saves board space and is suitable for surface-mount technology. With a high tolerance for noise and a drive output current of ±24 mA, it is robust for various applications, including memory address driving, clock generators, and data bus interfacing. Moreover, the device includes overvoltage-tolerant inputs, ensuring compatibility with mixed-voltage environments. This combination of features makes the SN74LVC244ADBR a versatile choice for enhancing signal integrity and boosting overall performance in digital circuits.
The SN74LVC244ADBR comes in a small-outline (SOIC) package, which saves board space and is suitable for surface-mount technology. With a high tolerance for noise and a drive output current of ±24 mA, it is robust for various applications, including memory address driving, clock generators, and data bus interfacing. Moreover, the device includes overvoltage-tolerant inputs, ensuring compatibility with mixed-voltage environments. This combination of features makes the SN74LVC244ADBR a versatile choice for enhancing signal integrity and boosting overall performance in digital circuits.
Equivalent
The SN74LVC244ADBR is an octal buffer/line driver with 3-state outputs. Equivalent products include:
1. NXP 74LVC244A: Offers similar functionality and package options.
2. ON Semiconductor MC74LCX244: Provides similar electrical characteristics and functionality.
3. Fairchild Semiconductor's 74LCX244: Also a comparable alternative.
4. Microchip Technology's 74LCX244: Another potential replacement with similar specs.
Ensure to verify voltage levels, package type, and other specifications to confirm compatibility with your application.
1. NXP 74LVC244A: Offers similar functionality and package options.
2. ON Semiconductor MC74LCX244: Provides similar electrical characteristics and functionality.
3. Fairchild Semiconductor's 74LCX244: Also a comparable alternative.
4. Microchip Technology's 74LCX244: Another potential replacement with similar specs.
Ensure to verify voltage levels, package type, and other specifications to confirm compatibility with your application.
Features
The SN74LVC244ADBR is an octal buffer/driver with 3-state outputs, manufactured by Texas Instruments. It is designed for 2.7-V to 3.6-V VCC operation but is also compatible with 5-V inputs. Key features include:
1. High-Speed Operation: Supports a maximum data transfer rate of 100 Mbps, making it suitable for high-speed applications.
2. Low Power Consumption: Features low power dissipation due to the CMOS technology, with a typical ICC of 10 µA.
3. 3-State Outputs: The device has three-state outputs that allow for bus-oriented applications and reduce bus contention.
4. Input Protection: Offers overvoltage tolerance on inputs, allowing them to withstand voltages up to 5.5 V.
5. Latch-Up Performance: Exceeds 100 mA per JESD 78, Class II.
6. ESD Protection: Has robust ESD protection, with ratings exceeding 2000 V per the Human-Body Model.
7. Standard Pin Configuration: Comes in standard SOIC and TSSOP package options.
The SN74LVC244ADBR is suitable for a variety of applications, including memory addressing, data multiplexing, and bus interfacing.
1. High-Speed Operation: Supports a maximum data transfer rate of 100 Mbps, making it suitable for high-speed applications.
2. Low Power Consumption: Features low power dissipation due to the CMOS technology, with a typical ICC of 10 µA.
3. 3-State Outputs: The device has three-state outputs that allow for bus-oriented applications and reduce bus contention.
4. Input Protection: Offers overvoltage tolerance on inputs, allowing them to withstand voltages up to 5.5 V.
5. Latch-Up Performance: Exceeds 100 mA per JESD 78, Class II.
6. ESD Protection: Has robust ESD protection, with ratings exceeding 2000 V per the Human-Body Model.
7. Standard Pin Configuration: Comes in standard SOIC and TSSOP package options.
The SN74LVC244ADBR is suitable for a variety of applications, including memory addressing, data multiplexing, and bus interfacing.
Pinout
The SN74LVC244ADBR is a non-inverting octal buffer/driver with 3-state outputs. It is designed to improve the performance and density of 3.3-V systems and can operate at wide supply-voltage ranges. This device comes in a 20-pin package. The pin configuration and functions are as follows:
1. Pin Count: 20 pins.
2. Functions:
- Inputs and Outputs: The device has 8 input pins (A1-A8) and 8 corresponding output pins (Y1-Y8) to buffer or drive signals.
- Control Pins: It has two output enable pins (1OE and 2OE). When these are high, the corresponding outputs are disabled, and the pins are in a high-impedance state.
- Power Pins: Vcc is the power supply pin, and GND is the ground pin.
This buffer/driver is typically used when driving capacitive loads and translating signal voltages in mixed-voltage environments.
1. Pin Count: 20 pins.
2. Functions:
- Inputs and Outputs: The device has 8 input pins (A1-A8) and 8 corresponding output pins (Y1-Y8) to buffer or drive signals.
- Control Pins: It has two output enable pins (1OE and 2OE). When these are high, the corresponding outputs are disabled, and the pins are in a high-impedance state.
- Power Pins: Vcc is the power supply pin, and GND is the ground pin.
This buffer/driver is typically used when driving capacitive loads and translating signal voltages in mixed-voltage environments.
Manufacturer
The SN74LVC244ADBR is manufactured by Texas Instruments (TI), a leading company in the semiconductor industry. Texas Instruments designs and manufactures a wide range of electronic components, including analog and embedded processing chips. Founded in 1930 and headquartered in Dallas, Texas, TI has a long history of innovation and development in the electronics sector. The company serves a variety of markets, including automotive, industrial, personal electronics, communications, and enterprise systems. TI is known for its focus on research and development, aiming to create products that enable high-performance and energy-efficient solutions across numerous applications.
Application
The SN74LVC244ADBR is an octal buffer/line driver with 3-state outputs, commonly used in applications requiring increased drive capability and buffering for data lines. Key application areas include:
1. Digital Signal Interfacing: Acts as an interface between different logic levels or between microcontrollers and peripherals.
2. Bus Driving: Suitable for driving data buses, ensuring signal integrity and reduced noise.
3. Data Routing: Used in multiplexing or demultiplexing data paths in communication systems.
4. Signal Isolation: Provides isolation in systems to reduce loading effects and improve performance.
5. PCB Design: Simplifies routing by providing controlled impedance and reduced signal reflection.
These features make it useful in computers, telecommunications, and consumer electronics.
1. Digital Signal Interfacing: Acts as an interface between different logic levels or between microcontrollers and peripherals.
2. Bus Driving: Suitable for driving data buses, ensuring signal integrity and reduced noise.
3. Data Routing: Used in multiplexing or demultiplexing data paths in communication systems.
4. Signal Isolation: Provides isolation in systems to reduce loading effects and improve performance.
5. PCB Design: Simplifies routing by providing controlled impedance and reduced signal reflection.
These features make it useful in computers, telecommunications, and consumer electronics.
Package
The SN74LVC244ADBR is an octal buffer/driver with 3-state outputs, and it's packaged in a "DB" type, which refers to the SSOP (Shrink Small Outline Package) configuration. The "R" in the part number indicates that the package is supplied in a tape and reel format for automated production environments.