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SN74ACT244DWR
+BOMIC BUF NON-INVERT 5.5V 20SOIC
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제조업체텍사스 인스트루먼트(주)
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제조업체 부품 #SN74ACT244DWR
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패키지 SOIC (DW)-20
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재고5477
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사양
| 속성 | 가치 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| Series | 74ACT |
| ProductStatus | Active |
| LogicType | Buffer, Non-Inverting |
| NumberofElements | 2 |
| NumberofBitsperElement | 4 |
| OutputType | 3-State |
| Current-OutputHighLow | 24mA, 24mA |
| Voltage-Supply | 4.5V ~ 5.5V |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 20-SOIC (0.295, 7.50mm Width) |
개요
Description
Key features include:
1. Functionality: It serves as an octal buffer/driver with two enable inputs, which allows for independent control of two 4-bit sections.
2. 3-State Outputs: The device can be set to high, low, or high-impedance states, allowing bus line driving capabilities.
3. High-Speed Performance: Designed for high-speed operation with minimal propagation delay.
4. Low Power Consumption: Uses advanced CMOS technology for reduced power usage.
5. Voltage Range: Operates typically with a power supply voltage of 4.5V to 5.5V.
6. Package: Available in a 20-pin SOIC (Small Outline Integrated Circuit).
The SN74ACT244DWR is commonly used in memory devices, microcontrollers, and bus-oriented systems where buffering and driving are required.
Equivalent
1. 74ACT244 from various manufacturers like ON Semiconductor or Fairchild.
2. CD74ACT244 from Texas Instruments.
3. MC74ACT244 from NXP.
4. HCT244 or ACT244 series from manufacturers like Toshiba or STMicroelectronics.
These alternatives can offer similar functionality and electrical characteristics, but always verify specific requirements such as package type and operating conditions.
Features
1. High-Speed CMOS Technology: Offers fast switching speeds with low power consumption.
2. 3-State Outputs: Allows for multiple devices to connect to and drive a common bus without interference, with enable pins controlling output states.
3. TTL-Compatible Inputs: Ensures compatibility with TTL logic levels, making it versatile for various digital applications.
4. Wide Operating Voltage: Typically operates from 4.5V to 5.5V.
5. High Drive Capability: Can sink or source high current levels, suitable for driving large capacitive loads.
6. Low Power Consumption: CMOS design reduces power usage, beneficial for battery-operated devices.
7. Package Options: Available in a 20-pin SOIC (Small Outline Integrated Circuit) package, facilitating compact PCB design.
8. Temperature Range: Designed to operate within a commercial temperature range.
These features make the SN74ACT244DWR ideal for applications requiring high-speed data transmission and buffering with low power overhead.
Pinout
Key functions and features include:
1. Octal Buffer/Driver: Provides buffering for eight lines, enhancing the drive capability of signals.
2. 3-State Outputs: Allows multiple outputs to connect to a common bus without conflict, as outputs can be in a high, low, or high-impedance state.
3. Enable Pins: Each 4-bit section has an independent active-low output enable pin that controls the respective set of four outputs.
The device is often used in digital circuits where signal buffering, isolation, or driving capabilities are required, such as in memory address driving, data lines buffering, and bus interface applications.