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SN74LV244ADWR
+BOMIC BUFF NON-INVERT 5.5V 20-SOIC
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ManufacturerTexas Instruments
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Mfr. Part #SN74LV244ADWR
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Datasheet SN74LV244ADWR DataSheet
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In Stock4048
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Specifications
| Attribute | Value |
| Series | 74LV |
| Part Status | Active |
| Logic Type | Buffer, Non-Inverting |
| Number of Elements | 2 |
| Number of Bits per Element | 4 |
| Output Type | 3-State |
| Current - Output High, Low | 16mA, 16mA |
| Voltage - Supply | 2V ~ 5.5V |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 20-SOIC (0.295", 7.50mm Width) |
| Supplier Device Package | 20-SOIC |
| Base Product Number | 74LV244 |
Overview
Description
The SN74LV244ADWR is known for its high-speed operation while maintaining low power consumption. Its 3-state outputs are capable of driving capacitive loads, ideal for interfacing with bus-oriented systems. The device features input and output diode clamps to protect against electrostatic discharge (ESD). Packaged in a 20-pin SOIC (Small Outline Integrated Circuit), it is suitable for surface-mount applications.
Typical applications include memory address driving, data bus interfacing, and signal buffering in various electronic systems. Its reliability and efficiency make it a popular choice in digital signal processing and embedded systems.
Equivalent
1. 74HC244: From various manufacturers like NXP, ON Semiconductor, etc.
2. 74AHC244: Available from Texas Instruments, Nexperia, etc.
3. 74LVC244: Offered by companies such as NXP and ON Semiconductor.
4. SN74HC244: A compatible product from Texas Instruments.
5. MC74HC244: From ON Semiconductor.
These alternatives may have slight variations in performance and specifications, so always check compatibility with your specific requirements.
Features
1. Wide Operating Voltage Range: It operates from 2 V to 5.5 V, making it suitable for a variety of applications.
2. High-Speed Operation: The device is designed for high-speed data transmission.
3. Low Power Consumption: Features a low power dissipation with a typical ICC of 8 µA.
4. High Drive Capability: It can drive up to 24 mA outputs at 3.3 V and 15 mA at 5 V, accommodating various load requirements.
5. 3-State Outputs: Provides a high-impedance state for bus-oriented applications.
6. TTL-Compatible Inputs: Ensures compatibility with TTL logic levels for easy integration.
7. Balanced Propagation Delays: Offers consistent performance with reduced signal distortion.
8. Latch-Up Performance: Exceeds 250 mA per JESD 17, ensuring reliability under stress.
9. ESD Protection: Provides protection against electrostatic discharge.
These features make the SN74LV244ADWR ideal for buffering and driving signals in digital circuits, enhancing signal integrity and system performance.
Pinout
The primary function of this device is to act as a non-inverting buffer/driver, which is used to increase drive capability and reduce signal degradation. It features eight independent buffers/drivers with 3-state outputs that can drive high capacitive loads or be used for bus interfacing.
Here's a concise summary of its pin configuration:
1. Pins 1, 10: 3-state control inputs (1OE and 2OE)
2. Pins 2-9: Data inputs (1A1 to 1A4, 2A1 to 2A4)
3. Pins 11-18: Data outputs (1Y1 to 1Y4, 2Y1 to 2Y4)
4. Pin 19: Ground (GND)
5. Pin 20: VCC (supply voltage)
The device operates over a wide range of voltages and is commonly used in digital circuits for buffering and driving purposes.
Manufacturer
Application
1. Bus Interface: Facilitates communication between different parts of a system, ensuring signal strength across longer distances.
2. Signal Isolation: Provides isolation between different system components to prevent interference.
3. Data Distribution: Distributes signals to multiple destinations without significant loss.
4. Level Shifting: Can be used for shifting signal levels between different voltage domains.
5. LED Driving: Suitable for driving LED displays by providing the necessary current.
6. Memory Address Driving: Enhances signal integrity for memory accesses in computing systems.
These applications leverage its ability to handle multiple input/output lines with high-speed performance.