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SN74LVC244ADBR
+NomenclatureIC BUF NON-INVERT 3.6V 20SSOP
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FabricantTexas Instruments
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Pièce fabricant #SN74LVC244ADBR
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Package SSOP-20
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En stock7517
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Spécifications
| Attribut | Valeur |
| 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) |
Présentation
Description
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
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
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
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
Application
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.